path: root/mysql-test/suite/sys_vars/r/sysvars_innodb.result

select VARIABLE_NAME, SESSION_VALUE, DEFAULT_VALUE, VARIABLE_SCOPE, VARIABLE_TYPE, VARIABLE_COMMENT, NUMERIC_MIN_VALUE, NUMERIC_MAX_VALUE, NUMERIC_BLOCK_SIZE, ENUM_VALUE_LIST, READ_ONLY, COMMAND_LINE_ARGUMENT from information_schema.system_variables
where variable_name like 'innodb%' and
variable_name not in (
'innodb_version',                   # always the same as the server version
'innodb_disallow_writes',           # only available WITH_WSREP
'innodb_numa_interleave',           # only available WITH_NUMA
'innodb_sched_priority_cleaner',    # linux only
'innodb_evict_tables_on_commit_debug', # one may want to override this
'innodb_use_native_aio',            # default value depends on OS
'innodb_buffer_pool_load_pages_abort')            # debug build only, and is only for testing
order by variable_name;
VARIABLE_NAME	INNODB_ADAPTIVE_FLUSHING
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Attempt flushing dirty pages to avoid IO bursts at checkpoints.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_ADAPTIVE_FLUSHING_LWM
SESSION_VALUE	NULL
DEFAULT_VALUE	10.000000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	DOUBLE
VARIABLE_COMMENT	Percentage of log capacity below which no adaptive flushing happens.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	70
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_ADAPTIVE_HASH_INDEX
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable InnoDB adaptive hash index (enabled by default).  Disable with --skip-innodb-adaptive-hash-index.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_ADAPTIVE_HASH_INDEX_PARTS
SESSION_VALUE	NULL
DEFAULT_VALUE	8
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of InnoDB Adaptive Hash Index Partitions (default 8)
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	512
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_ADAPTIVE_MAX_SLEEP_DELAY
SESSION_VALUE	NULL
DEFAULT_VALUE	150000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	The upper limit of the sleep delay in usec. Value of 0 disables it.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	1000000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_AUTOEXTEND_INCREMENT
SESSION_VALUE	NULL
DEFAULT_VALUE	64
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Data file autoextend increment in megabytes
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	1000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_AUTOINC_LOCK_MODE
SESSION_VALUE	NULL
DEFAULT_VALUE	1
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT
VARIABLE_COMMENT	The AUTOINC lock modes supported by InnoDB: 0 => Old style AUTOINC locking (for backward compatibility); 1 => New style AUTOINC locking; 2 => No AUTOINC locking (unsafe for SBR)
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	2
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BACKGROUND_DROP_LIST_EMPTY
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Wait for the background drop list to become empty
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_BACKGROUND_SCRUB_DATA_CHECK_INTERVAL
SESSION_VALUE	NULL
DEFAULT_VALUE	3600
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	check if spaces needs scrubbing every innodb_background_scrub_data_check_interval seconds
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BACKGROUND_SCRUB_DATA_COMPRESSED
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable scrubbing of compressed data by background threads (same as encryption_threads)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BACKGROUND_SCRUB_DATA_INTERVAL
SESSION_VALUE	NULL
DEFAULT_VALUE	604800
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	scrub spaces that were last scrubbed longer than  innodb_background_scrub_data_interval seconds ago
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BACKGROUND_SCRUB_DATA_UNCOMPRESSED
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable scrubbing of uncompressed data by background threads (same as encryption_threads)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_CHUNK_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	134217728
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Size of a single memory chunk within each buffer pool instance for resizing buffer pool. Online buffer pool resizing happens at this granularity. 0 means disable resizing buffer pool.
NUMERIC_MIN_VALUE	1048576
NUMERIC_MAX_VALUE	9223372036854775807
NUMERIC_BLOCK_SIZE	1048576
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_DUMP_AT_SHUTDOWN
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Dump the buffer pool into a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_DUMP_NOW
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Trigger an immediate dump of the buffer pool into a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_DUMP_PCT
SESSION_VALUE	NULL
DEFAULT_VALUE	25
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Dump only the hottest N% of each buffer pool, defaults to 25
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	100
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_EVICT
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Evict pages from the buffer pool
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_FILENAME
SESSION_VALUE	NULL
DEFAULT_VALUE	ib_buffer_pool
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Filename to/from which to dump/load the InnoDB buffer pool
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_INSTANCES
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of buffer pool instances, set to higher value on high-end machines to increase scalability
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	64
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_LOAD_ABORT
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Abort a currently running load of the buffer pool
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_LOAD_AT_STARTUP
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Load the buffer pool from a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_LOAD_NOW
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Trigger an immediate load of the buffer pool from a file named @@innodb_buffer_pool_filename
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUFFER_POOL_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	134217728
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	The size of the memory buffer InnoDB uses to cache data and indexes of its tables.
NUMERIC_MIN_VALUE	5242880
NUMERIC_MAX_VALUE	9223372036854775807
NUMERIC_BLOCK_SIZE	1048576
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUF_DUMP_STATUS_FREQUENCY
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	A number between [0, 100] that tells how oftern buffer pool dump status in percentages should be printed. E.g. 10 means that buffer pool dump status is printed when every 10% of number of buffer pool pages are dumped. Default is 0 (only start and end status is printed).
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	100
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_BUF_FLUSH_LIST_NOW
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Force dirty page flush now
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_CHANGE_BUFFERING
SESSION_VALUE	NULL
DEFAULT_VALUE	all
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	Buffer changes to secondary indexes.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	none,inserts,deletes,changes,purges,all
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_CHANGE_BUFFERING_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Debug flags for InnoDB change buffering (0=none, 1=try to buffer)
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	1
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_CHANGE_BUFFER_DUMP
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Dump the change buffer at startup.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_CHANGE_BUFFER_MAX_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	25
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Maximum on-disk size of change buffer in terms of percentage of the buffer pool.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	50
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_CHECKSUMS
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF. Enable InnoDB checksums validation (enabled by default). Disable with --skip-innodb-checksums.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_CHECKSUM_ALGORITHM
SESSION_VALUE	NULL
DEFAULT_VALUE	crc32
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	The algorithm InnoDB uses for page checksumming. Possible values are FULL_CRC32 for new files, always use CRC-32C; for old, see CRC32 below; STRICT_FULL_CRC32 for new files, always use CRC-32C; for old, see STRICT_CRC32 below; CRC32 write crc32, allow any of the other checksums to match when reading; STRICT_CRC32 write crc32, do not allow other algorithms to match when reading; INNODB write a software calculated checksum, allow any other checksums to match when reading; STRICT_INNODB write a software calculated checksum, do not allow other algorithms to match when reading; NONE write a constant magic number, do not do any checksum verification when reading (same as innodb_checksums=OFF); STRICT_NONE write a constant magic number, do not allow values other than that magic number when reading; Files updated when this option is set to crc32 or strict_crc32 will not be readable by MariaDB versions older than 10.0.4; new files created with full_crc32 are readable by MariaDB 10.4.3+
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	crc32,strict_crc32,innodb,strict_innodb,none,strict_none,full_crc32,strict_full_crc32
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_CMP_PER_INDEX_ENABLED
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable INFORMATION_SCHEMA.innodb_cmp_per_index, may have negative impact on performance (off by default)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_COMMIT_CONCURRENCY
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Helps in performance tuning in heavily concurrent environments.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	1000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_COMPRESSION_ALGORITHM
SESSION_VALUE	NULL
DEFAULT_VALUE	zlib
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	Compression algorithm used on page compression. One of: none, zlib, lz4, lzo, lzma, bzip2, or snappy
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	none,zlib,lz4,lzo,lzma,bzip2,snappy
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_COMPRESSION_DEFAULT
SESSION_VALUE	OFF
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Is compression the default for new tables
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_COMPRESSION_FAILURE_THRESHOLD_PCT
SESSION_VALUE	NULL
DEFAULT_VALUE	5
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	If the compression failure rate of a table is greater than this number more padding is added to the pages to reduce the failures. A value of zero implies no padding
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	100
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_COMPRESSION_LEVEL
SESSION_VALUE	NULL
DEFAULT_VALUE	6
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Compression level used for zlib compression.  0 is no compression, 1 is fastest, 9 is best compression and default is 6.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	9
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_COMPRESSION_PAD_PCT_MAX
SESSION_VALUE	NULL
DEFAULT_VALUE	50
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Percentage of empty space on a data page that can be reserved to make the page compressible.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	75
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_CONCURRENCY_TICKETS
SESSION_VALUE	NULL
DEFAULT_VALUE	5000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DATA_FILE_PATH
SESSION_VALUE	NULL
DEFAULT_VALUE	ibdata1:12M:autoextend
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Path to individual files and their sizes.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DATA_FILE_SIZE_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	InnoDB system tablespace size to be set in recovery.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	268435456
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DATA_HOME_DIR
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	The common part for InnoDB table spaces.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEADLOCK_DETECT
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable/disable InnoDB deadlock detector (default ON). if set to OFF, deadlock detection is skipped, and we rely on innodb_lock_wait_timeout in case of deadlock.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_DEBUG_FORCE_SCRUBBING
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Perform extra scrubbing to increase test exposure
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFAULT_ENCRYPTION_KEY_ID
SESSION_VALUE	1
DEFAULT_VALUE	1
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Default encryption key id used for table encryption.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFAULT_ROW_FORMAT
SESSION_VALUE	NULL
DEFAULT_VALUE	dynamic
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	The default ROW FORMAT for all innodb tables created without explicit ROW_FORMAT. Possible values are REDUNDANT, COMPACT, and DYNAMIC. The ROW_FORMAT value COMPRESSED is not allowed
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	redundant,compact,dynamic
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFRAGMENT
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable/disable InnoDB defragmentation (default FALSE). When set to FALSE, all existing defragmentation will be paused. And new defragmentation command will fail.Paused defragmentation commands will resume when this variable is set to true again.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFRAGMENT_FILL_FACTOR
SESSION_VALUE	NULL
DEFAULT_VALUE	0.900000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	DOUBLE
VARIABLE_COMMENT	A number between [0.7, 1] that tells defragmentation how full it should fill a page. Default is 0.9. Number below 0.7 won't make much sense.This variable, together with innodb_defragment_fill_factor_n_recs, is introduced so defragmentation won't pack the page too full and cause page split on the next insert on every page. The variable indicating more defragmentation gain is the one effective.
NUMERIC_MIN_VALUE	0.7
NUMERIC_MAX_VALUE	1
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFRAGMENT_FILL_FACTOR_N_RECS
SESSION_VALUE	NULL
DEFAULT_VALUE	20
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	How many records of space defragmentation should leave on the page. This variable, together with innodb_defragment_fill_factor, is introduced so defragmentation won't pack the page too full and cause page split on the next insert on every page. The variable indicating more defragmentation gain is the one effective.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	100
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFRAGMENT_FREQUENCY
SESSION_VALUE	NULL
DEFAULT_VALUE	40
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Do not defragment a single index more than this number of time per second.This controls the number of time defragmentation thread can request X_LOCK on an index. Defragmentation thread will check whether 1/defragment_frequency (s) has passed since it worked on this index last time, and put the index back to the queue if not enough time has passed. The actual frequency can only be lower than this given number.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	1000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFRAGMENT_N_PAGES
SESSION_VALUE	NULL
DEFAULT_VALUE	7
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Number of pages considered at once when merging multiple pages to defragment
NUMERIC_MIN_VALUE	2
NUMERIC_MAX_VALUE	32
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DEFRAGMENT_STATS_ACCURACY
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	How many defragment stats changes there are before the stats are written to persistent storage. Set to 0 meaning disable defragment stats tracking.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_DICT_STATS_DISABLED_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Disable dict_stats thread
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_DISABLE_BACKGROUND_MERGE
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Disable change buffering merges by the master thread
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_DISABLE_RESIZE_BUFFER_POOL_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Disable resizing buffer pool to make assertion code not expensive.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_DISABLE_SORT_FILE_CACHE
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Whether to disable OS system file cache for sort I/O
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_DOUBLEWRITE
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable InnoDB doublewrite buffer (enabled by default). Disable with --skip-innodb-doublewrite.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_DOUBLEWRITE_BATCH_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	120
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of pages reserved in doublewrite buffer for batch flushing
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	127
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_ENCRYPTION_ROTATE_KEY_AGE
SESSION_VALUE	NULL
DEFAULT_VALUE	1
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Key rotation - re-encrypt in background all pages that were encrypted with a key that many (or more) versions behind. Value 0 indicates that key rotation is disabled.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_ENCRYPTION_ROTATION_IOPS
SESSION_VALUE	NULL
DEFAULT_VALUE	100
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Use this many iops for background key rotation
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_ENCRYPTION_THREADS
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Number of threads performing background key rotation and scrubbing
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	255
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_ENCRYPT_LOG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable redo log encryption
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_ENCRYPT_TABLES
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	Enable encryption for tables. Don't forget to enable --innodb-encrypt-log too
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON,FORCE
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_ENCRYPT_TEMPORARY_TABLES
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enrypt the temporary table data.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FAST_SHUTDOWN
SESSION_VALUE	NULL
DEFAULT_VALUE	1
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Speeds up the shutdown process of the InnoDB storage engine. Possible values are 0, 1 (faster), 2 (crash-like), 3 (fastest clean).
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	3
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FATAL_SEMAPHORE_WAIT_THRESHOLD
SESSION_VALUE	NULL
DEFAULT_VALUE	600
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Maximum number of seconds that semaphore times out in InnoDB.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FILE_FORMAT
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Deprecated parameter with no effect.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FILE_PER_TABLE
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Stores each InnoDB table to an .ibd file in the database dir.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_FILL_FACTOR
SESSION_VALUE	NULL
DEFAULT_VALUE	100
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Percentage of B-tree page filled during bulk insert
NUMERIC_MIN_VALUE	10
NUMERIC_MAX_VALUE	100
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FIL_MAKE_PAGE_DIRTY_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Make the first page of the given tablespace dirty.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FLUSHING_AVG_LOOPS
SESSION_VALUE	NULL
DEFAULT_VALUE	30
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of iterations over which the background flushing is averaged.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	1000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FLUSH_LOG_AT_TIMEOUT
SESSION_VALUE	NULL
DEFAULT_VALUE	1
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Write and flush logs every (n) second.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	2700
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FLUSH_LOG_AT_TRX_COMMIT
SESSION_VALUE	NULL
DEFAULT_VALUE	1
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Controls the durability/speed trade-off for commits. Set to 0 (write and flush redo log to disk only once per second), 1 (flush to disk at each commit), 2 (write to log at commit but flush to disk only once per second) or 3 (flush to disk at prepare and at commit, slower and usually redundant). 1 and 3 guarantees that after a crash, committed transactions will not be lost and will be consistent with the binlog and other transactional engines. 2 can get inconsistent and lose transactions if there is a power failure or kernel crash but not if mysqld crashes. 0 has no guarantees in case of crash. 0 and 2 can be faster than 1 or 3.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	3
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FLUSH_METHOD
SESSION_VALUE	NULL
DEFAULT_VALUE	fsync
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	With which method to flush data.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	fsync,O_DSYNC,littlesync,nosync,O_DIRECT,O_DIRECT_NO_FSYNC
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FLUSH_NEIGHBORS
SESSION_VALUE	NULL
DEFAULT_VALUE	1
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Set to 0 (don't flush neighbors from buffer pool), 1 (flush contiguous neighbors from buffer pool) or 2 (flush neighbors from buffer pool), when flushing a block
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	2
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FLUSH_SYNC
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Allow IO bursts at the checkpoints ignoring io_capacity setting.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_FORCE_LOAD_CORRUPTED
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Force InnoDB to load metadata of corrupted table.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_FORCE_PRIMARY_KEY
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Do not allow to create table without primary key (off by default)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FORCE_RECOVERY
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Helps to save your data in case the disk image of the database becomes corrupt.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	6
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_AUX_TABLE
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	FTS internal auxiliary table to be checked
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_CACHE_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	8000000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	InnoDB Fulltext search cache size in bytes
NUMERIC_MIN_VALUE	1600000
NUMERIC_MAX_VALUE	80000000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_ENABLE_DIAG_PRINT
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Whether to enable additional FTS diagnostic printout 
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FT_ENABLE_STOPWORD
SESSION_VALUE	ON
DEFAULT_VALUE	ON
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Create FTS index with stopword.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FT_MAX_TOKEN_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	84
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	InnoDB Fulltext search maximum token size in characters
NUMERIC_MIN_VALUE	10
NUMERIC_MAX_VALUE	84
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_MIN_TOKEN_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	3
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	InnoDB Fulltext search minimum token size in characters
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	16
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_NUM_WORD_OPTIMIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	2000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	InnoDB Fulltext search number of words to optimize for each optimize table call 
NUMERIC_MIN_VALUE	1000
NUMERIC_MAX_VALUE	10000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FT_RESULT_CACHE_LIMIT
SESSION_VALUE	NULL
DEFAULT_VALUE	2000000000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	InnoDB Fulltext search query result cache limit in bytes
NUMERIC_MIN_VALUE	1000000
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_SERVER_STOPWORD_TABLE
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	The user supplied stopword table name.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_FT_SORT_PLL_DEGREE
SESSION_VALUE	NULL
DEFAULT_VALUE	2
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	InnoDB Fulltext search parallel sort degree, will round up to nearest power of 2 number
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	16
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_TOTAL_CACHE_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	640000000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Total memory allocated for InnoDB Fulltext Search cache
NUMERIC_MIN_VALUE	32000000
NUMERIC_MAX_VALUE	1600000000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_FT_USER_STOPWORD_TABLE
SESSION_VALUE	
DEFAULT_VALUE	
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	User supplied stopword table name, effective in the session level.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_IDLE_FLUSH_PCT
SESSION_VALUE	NULL
DEFAULT_VALUE	100
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Up to what percentage of dirty pages should be flushed when innodb finds it has spare resources to do so.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	100
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable scrubbing of data
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_INSTANT_ALTER_COLUMN_ALLOWED
SESSION_VALUE	NULL
DEFAULT_VALUE	add_drop_reorder
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	File format constraint for ALTER TABLE
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	never,add_last,add_drop_reorder
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_IO_CAPACITY
SESSION_VALUE	NULL
DEFAULT_VALUE	200
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of IOPs the server can do. Tunes the background IO rate
NUMERIC_MIN_VALUE	100
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_IO_CAPACITY_MAX
SESSION_VALUE	NULL
DEFAULT_VALUE	18446744073709551615
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Limit to which innodb_io_capacity can be inflated.
NUMERIC_MIN_VALUE	100
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LARGE_PREFIX
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Deprecated parameter with no effect.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Artificially limit the number of records per B-tree page (0=unlimited).
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOCKS_UNSAFE_FOR_BINLOG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	DEPRECATED. This option may be removed in future releases. Please use READ COMMITTED transaction isolation level instead. Force InnoDB to not use next-key locking, to use only row-level locking.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_LOCK_SCHEDULE_ALGORITHM
SESSION_VALUE	NULL
DEFAULT_VALUE	fcfs
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	The algorithm Innodb uses for deciding which locks to grant next when a lock is released. Possible values are FCFS grant the locks in First-Come-First-Served order; VATS use the Variance-Aware-Transaction-Scheduling algorithm, which uses an Eldest-Transaction-First heuristic.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	fcfs,vats
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOCK_WAIT_TIMEOUT
SESSION_VALUE	50
DEFAULT_VALUE	50
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	1073741824
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOG_BUFFER_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	16777216
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	The size of the buffer which InnoDB uses to write log to the log files on disk.
NUMERIC_MIN_VALUE	262144
NUMERIC_MAX_VALUE	9223372036854775807
NUMERIC_BLOCK_SIZE	1024
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOG_CHECKPOINT_NOW
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Force checkpoint now
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_LOG_CHECKSUMS
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	DEPRECATED. Whether to require checksums for InnoDB redo log blocks.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOG_COMPRESSED_PAGES
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enables/disables the logging of entire compressed page images. InnoDB logs the compressed pages to prevent corruption if the zlib compression algorithm changes. When turned OFF, InnoDB will assume that the zlib compression algorithm doesn't change.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_LOG_FILES_IN_GROUP
SESSION_VALUE	NULL
DEFAULT_VALUE	2
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of log files in the log group. InnoDB writes to the files in a circular fashion.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	100
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOG_FILE_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	50331648
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Size of each log file in a log group.
NUMERIC_MIN_VALUE	1048576
NUMERIC_MAX_VALUE	17592186044415
NUMERIC_BLOCK_SIZE	65536
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOG_GROUP_HOME_DIR
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Path to InnoDB log files.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LOG_OPTIMIZE_DDL
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Reduce redo logging when natively creating indexes or rebuilding tables. Setting this OFF avoids delay due to page flushing and allows concurrent backup.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_LOG_WRITE_AHEAD_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	8192
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Redo log write ahead unit size to avoid read-on-write, it should match the OS cache block IO size
NUMERIC_MIN_VALUE	512
NUMERIC_MAX_VALUE	16384
NUMERIC_BLOCK_SIZE	512
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_LRU_SCAN_DEPTH
SESSION_VALUE	NULL
DEFAULT_VALUE	1024
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	How deep to scan LRU to keep it clean
NUMERIC_MIN_VALUE	100
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MASTER_THREAD_DISABLED_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Disable master thread
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_MAX_DIRTY_PAGES_PCT
SESSION_VALUE	NULL
DEFAULT_VALUE	75.000000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	DOUBLE
VARIABLE_COMMENT	Percentage of dirty pages allowed in bufferpool.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	99.999
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MAX_DIRTY_PAGES_PCT_LWM
SESSION_VALUE	NULL
DEFAULT_VALUE	0.000000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	DOUBLE
VARIABLE_COMMENT	Percentage of dirty pages at which flushing kicks in.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	99.999
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MAX_PURGE_LAG
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Desired maximum length of the purge queue (0 = no limit)
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MAX_PURGE_LAG_DELAY
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Maximum delay of user threads in micro-seconds
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	10000000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MAX_UNDO_LOG_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	10485760
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Desired maximum UNDO tablespace size in bytes
NUMERIC_MIN_VALUE	10485760
NUMERIC_MAX_VALUE	281474976710656
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_MERGE_THRESHOLD_SET_ALL_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	50
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Override current MERGE_THRESHOLD setting for all indexes at dictionary cache by the specified value dynamically, at the time.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	50
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MONITOR_DISABLE
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Turn off a monitor counter
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MONITOR_ENABLE
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Turn on a monitor counter
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MONITOR_RESET
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Reset a monitor counter
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_MONITOR_RESET_ALL
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Reset all values for a monitor counter
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_OLD_BLOCKS_PCT
SESSION_VALUE	NULL
DEFAULT_VALUE	37
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Percentage of the buffer pool to reserve for 'old' blocks.
NUMERIC_MIN_VALUE	5
NUMERIC_MAX_VALUE	95
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_OLD_BLOCKS_TIME
SESSION_VALUE	NULL
DEFAULT_VALUE	1000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Move blocks to the 'new' end of the buffer pool if the first access was at least this many milliseconds ago. The timeout is disabled if 0.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_ONLINE_ALTER_LOG_MAX_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	134217728
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Maximum modification log file size for online index creation
NUMERIC_MIN_VALUE	65536
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_OPEN_FILES
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	How many files at the maximum InnoDB keeps open at the same time.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	9223372036854775807
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_OPTIMIZE_FULLTEXT_ONLY
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Only optimize the Fulltext index of the table
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_PAGE_CLEANERS
SESSION_VALUE	NULL
DEFAULT_VALUE	4
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Page cleaner threads can be from 1 to 64. Default is 4.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	64
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_PAGE_CLEANER_DISABLED_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Disable page cleaner
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_PAGE_HASH_LOCKS
SESSION_VALUE	NULL
DEFAULT_VALUE	16
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of rw_locks protecting buffer pool page_hash. Rounded up to the next power of 2
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	1024
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_PAGE_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	16384
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Page size to use for all InnoDB tablespaces.
NUMERIC_MIN_VALUE	4096
NUMERIC_MAX_VALUE	65536
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_PREFIX_INDEX_CLUSTER_OPTIMIZATION
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable prefix optimization to sometimes avoid cluster index lookups.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_PRINT_ALL_DEADLOCKS
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Print all deadlocks to MariaDB error log (off by default)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_PURGE_BATCH_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	300
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of UNDO log pages to purge in one batch from the history list.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	5000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_PURGE_RSEG_TRUNCATE_FREQUENCY
SESSION_VALUE	NULL
DEFAULT_VALUE	128
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Dictates rate at which UNDO records are purged. Value N means purge rollback segment(s) on every Nth iteration of purge invocation
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	128
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_PURGE_THREADS
SESSION_VALUE	NULL
DEFAULT_VALUE	4
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Purge threads can be from 1 to 32. Default is 4.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	32
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_RANDOM_READ_AHEAD
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Whether to use read ahead for random access within an extent.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_READ_AHEAD_THRESHOLD
SESSION_VALUE	NULL
DEFAULT_VALUE	56
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of pages that must be accessed sequentially for InnoDB to trigger a readahead.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	64
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_READ_IO_THREADS
SESSION_VALUE	NULL
DEFAULT_VALUE	4
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of background read I/O threads in InnoDB.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	64
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_READ_ONLY
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Start InnoDB in read only mode (off by default)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_REPLICATION_DELAY
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Replication thread delay (ms) on the slave server if innodb_thread_concurrency is reached (0 by default)
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_ROLLBACK_ON_TIMEOUT
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Roll back the complete transaction on lock wait timeout, for 4.x compatibility (disabled by default)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_ROLLBACK_SEGMENTS
SESSION_VALUE	NULL
DEFAULT_VALUE	128
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of undo logs to use (deprecated).
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	128
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_SAVED_PAGE_NUMBER_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	An InnoDB page number.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	4294967295
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_SCRUB_LOG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable background redo log (ib_logfile0, ib_logfile1...) scrubbing
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_SCRUB_LOG_SPEED
SESSION_VALUE	NULL
DEFAULT_VALUE	256
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Background redo log scrubbing speed in bytes/sec
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	50000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_SIMULATE_COMP_FAILURES
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Simulate compression failures.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	99
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_SORT_BUFFER_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	1048576
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Memory buffer size for index creation
NUMERIC_MIN_VALUE	65536
NUMERIC_MAX_VALUE	67108864
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_SPIN_WAIT_DELAY
SESSION_VALUE	NULL
DEFAULT_VALUE	4
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Maximum delay between polling for a spin lock (4 by default)
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	6000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_STATS_AUTO_RECALC
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	InnoDB automatic recalculation of persistent statistics enabled for all tables unless overridden at table level (automatic recalculation is only done when InnoDB decides that the table has changed too much and needs a new statistics)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_STATS_INCLUDE_DELETE_MARKED
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Include delete marked records when calculating persistent statistics
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_STATS_METHOD
SESSION_VALUE	NULL
DEFAULT_VALUE	nulls_equal
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	ENUM
VARIABLE_COMMENT	Specifies how InnoDB index statistics collection code should treat NULLs. Possible values are NULLS_EQUAL (default), NULLS_UNEQUAL and NULLS_IGNORED
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	nulls_equal,nulls_unequal,nulls_ignored
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_STATS_MODIFIED_COUNTER
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	The number of rows modified before we calculate new statistics (default 0 = current limits)
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_STATS_ON_METADATA
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable statistics gathering for metadata commands such as SHOW TABLE STATUS for tables that use transient statistics (off by default)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_STATS_PERSISTENT
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	InnoDB persistent statistics enabled for all tables unless overridden at table level
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_STATS_PERSISTENT_SAMPLE_PAGES
SESSION_VALUE	NULL
DEFAULT_VALUE	20
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	The number of leaf index pages to sample when calculating persistent statistics (by ANALYZE, default 20)
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_STATS_SAMPLE_PAGES
SESSION_VALUE	NULL
DEFAULT_VALUE	8
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Deprecated, use innodb_stats_transient_sample_pages instead
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_STATS_TRADITIONAL
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable traditional statistic calculation based on number of configured pages (default true)
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_STATS_TRANSIENT_SAMPLE_PAGES
SESSION_VALUE	NULL
DEFAULT_VALUE	8
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	The number of leaf index pages to sample when calculating transient statistics (if persistent statistics are not used, default 8)
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_STATUS_OUTPUT
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable InnoDB monitor output to the error log.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_STATUS_OUTPUT_LOCKS
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable InnoDB lock monitor output to the error log. Requires innodb_status_output=ON.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_STRICT_MODE
SESSION_VALUE	ON
DEFAULT_VALUE	ON
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Use strict mode when evaluating create options.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_SYNC_ARRAY_SIZE
SESSION_VALUE	NULL
DEFAULT_VALUE	1
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Size of the mutex/lock wait array.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	1024
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_SYNC_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable the sync debug checks
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_SYNC_SPIN_LOOPS
SESSION_VALUE	NULL
DEFAULT_VALUE	30
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Count of spin-loop rounds in InnoDB mutexes (30 by default)
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	18446744073709551615
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_TABLE_LOCKS
SESSION_VALUE	ON
DEFAULT_VALUE	ON
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable InnoDB locking in LOCK TABLES
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_TEMP_DATA_FILE_PATH
SESSION_VALUE	NULL
DEFAULT_VALUE	ibtmp1:12M:autoextend
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Path to files and their sizes making temp-tablespace.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_THREAD_CONCURRENCY
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	1000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_THREAD_SLEEP_DELAY
SESSION_VALUE	NULL
DEFAULT_VALUE	10000
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	1000000
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_TMPDIR
SESSION_VALUE	
DEFAULT_VALUE	
VARIABLE_SCOPE	SESSION
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Directory for temporary non-tablespace files.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_TRX_PURGE_VIEW_UPDATE_ONLY_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Pause actual purging any delete-marked records, but merely update the purge view. It is to create artificially the situation the purge view have been updated but the each purges were not done yet.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NULL
VARIABLE_NAME	INNODB_TRX_RSEG_N_SLOTS_DEBUG
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	INT UNSIGNED
VARIABLE_COMMENT	Debug flags for InnoDB to limit TRX_RSEG_N_SLOTS for trx_rsegf_undo_find_free()
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	1024
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	NULL
VARIABLE_NAME	INNODB_UNDO_DIRECTORY
SESSION_VALUE	NULL
DEFAULT_VALUE	
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	VARCHAR
VARIABLE_COMMENT	Directory where undo tablespace files live, this path can be absolute.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_UNDO_LOGS
SESSION_VALUE	NULL
DEFAULT_VALUE	128
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of undo logs to use.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	128
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_UNDO_LOG_TRUNCATE
SESSION_VALUE	NULL
DEFAULT_VALUE	OFF
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable or Disable Truncate of UNDO tablespace.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	NO
COMMAND_LINE_ARGUMENT	OPTIONAL
VARIABLE_NAME	INNODB_UNDO_TABLESPACES
SESSION_VALUE	NULL
DEFAULT_VALUE	0
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of undo tablespaces to use.
NUMERIC_MIN_VALUE	0
NUMERIC_MAX_VALUE	127
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED
VARIABLE_NAME	INNODB_USE_ATOMIC_WRITES
SESSION_VALUE	NULL
DEFAULT_VALUE	ON
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BOOLEAN
VARIABLE_COMMENT	Enable atomic writes, instead of using the doublewrite buffer, for files on devices that supports atomic writes. To use this option one must use innodb_file_per_table=1, innodb_flush_method=O_DIRECT. This option only works on Linux with either FusionIO cards using the directFS filesystem or with Shannon cards using any file system.
NUMERIC_MIN_VALUE	NULL
NUMERIC_MAX_VALUE	NULL
NUMERIC_BLOCK_SIZE	NULL
ENUM_VALUE_LIST	OFF,ON
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	NONE
VARIABLE_NAME	INNODB_WRITE_IO_THREADS
SESSION_VALUE	NULL
DEFAULT_VALUE	4
VARIABLE_SCOPE	GLOBAL
VARIABLE_TYPE	BIGINT UNSIGNED
VARIABLE_COMMENT	Number of background write I/O threads in InnoDB.
NUMERIC_MIN_VALUE	1
NUMERIC_MAX_VALUE	64
NUMERIC_BLOCK_SIZE	0
ENUM_VALUE_LIST	NULL
READ_ONLY	YES
COMMAND_LINE_ARGUMENT	REQUIRED