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Diffstat (limited to 'storage/xtradb/include/srv0srv.h')
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diff --git a/storage/xtradb/include/srv0srv.h b/storage/xtradb/include/srv0srv.h deleted file mode 100644 index 4e98ce0f1cb..00000000000 --- a/storage/xtradb/include/srv0srv.h +++ /dev/null @@ -1,1351 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2017, Oracle and/or its affiliates. All rights reserved. -Copyright (c) 2008, 2009, Google Inc. -Copyright (c) 2009, Percona Inc. -Copyright (c) 2013, 2017, MariaDB Corporation. - -Portions of this file contain modifications contributed and copyrighted by -Google, Inc. Those modifications are gratefully acknowledged and are described -briefly in the InnoDB documentation. The contributions by Google are -incorporated with their permission, and subject to the conditions contained in -the file COPYING.Google. - -Portions of this file contain modifications contributed and copyrighted -by Percona Inc.. Those modifications are -gratefully acknowledged and are described briefly in the InnoDB -documentation. The contributions by Percona Inc. are incorporated with -their permission, and subject to the conditions contained in the file -COPYING.Percona. - -This program is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free Software -Foundation; version 2 of the License. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along with -this program; if not, write to the Free Software Foundation, Inc., -51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/srv0srv.h -The server main program - -Created 10/10/1995 Heikki Tuuri -*******************************************************/ - -#ifndef srv0srv_h -#define srv0srv_h - -#include "univ.i" -#ifndef UNIV_HOTBACKUP -#include "log0log.h" -#include "sync0sync.h" -#include "os0sync.h" -#include "que0types.h" -#include "trx0types.h" -#include "srv0conc.h" -#include "buf0checksum.h" -#include "ut0counter.h" - -/* Global counters used inside InnoDB. */ -struct srv_stats_t { - typedef ib_counter_t<ulint, 64> ulint_ctr_64_t; - typedef simple_counter<lsn_t> lsn_ctr_1_t; - typedef simple_counter<ulint> ulint_ctr_1_t; - typedef simple_counter<ib_int64_t> ib_int64_ctr_1_t; - - /** Count the amount of data written in total (in bytes) */ - ulint_ctr_1_t data_written; - - /** Number of the log write requests done */ - ulint_ctr_1_t log_write_requests; - - /** Number of physical writes to the log performed */ - ulint_ctr_1_t log_writes; - - /** Amount of data written to the log files in bytes */ - lsn_ctr_1_t os_log_written; - - /** Number of writes being done to the log files. - Protected by log_sys->write_mutex. */ - ulint_ctr_1_t os_log_pending_writes; - - /** We increase this counter, when we don't have enough - space in the log buffer and have to flush it */ - ulint_ctr_1_t log_waits; - - /** Count the number of times the doublewrite buffer was flushed */ - ulint_ctr_1_t dblwr_writes; - - /** Store the number of pages that have been flushed to the - doublewrite buffer */ - ulint_ctr_1_t dblwr_pages_written; - - /** Store the number of write requests issued */ - ulint_ctr_1_t buf_pool_write_requests; - - /** Store the number of times when we had to wait for a free page - in the buffer pool. It happens when the buffer pool is full and we - need to make a flush, in order to be able to read or create a page. */ - ulint_ctr_1_t buf_pool_wait_free; - - /** Count the number of pages that were written from buffer - pool to the disk */ - ulint_ctr_1_t buf_pool_flushed; - - /** Number of buffer pool reads that led to the reading of - a disk page */ - ulint_ctr_1_t buf_pool_reads; - - /** Number of bytes saved by page compression */ - ulint_ctr_64_t page_compression_saved; - /** Number of 512Byte TRIM by page compression */ - ulint_ctr_64_t page_compression_trim_sect512; - /** Number of 1K TRIM by page compression */ - ulint_ctr_64_t page_compression_trim_sect1024; - /** Number of 2K TRIM by page compression */ - ulint_ctr_64_t page_compression_trim_sect2048; - /** Number of 4K TRIM by page compression */ - ulint_ctr_64_t page_compression_trim_sect4096; - /** Number of 8K TRIM by page compression */ - ulint_ctr_64_t page_compression_trim_sect8192; - /** Number of 16K TRIM by page compression */ - ulint_ctr_64_t page_compression_trim_sect16384; - /** Number of 32K TRIM by page compression */ - ulint_ctr_64_t page_compression_trim_sect32768; - /* Number of index pages written */ - ulint_ctr_64_t index_pages_written; - /* Number of non index pages written */ - ulint_ctr_64_t non_index_pages_written; - /* Number of pages compressed with page compression */ - ulint_ctr_64_t pages_page_compressed; - /* Number of TRIM operations induced by page compression */ - ulint_ctr_64_t page_compressed_trim_op; - /* Number of TRIM operations saved by using actual write size knowledge */ - ulint_ctr_64_t page_compressed_trim_op_saved; - /* Number of pages decompressed with page compression */ - ulint_ctr_64_t pages_page_decompressed; - /* Number of page compression errors */ - ulint_ctr_64_t pages_page_compression_error; - /* Number of pages encrypted */ - ulint_ctr_64_t pages_encrypted; - /* Number of pages decrypted */ - ulint_ctr_64_t pages_decrypted; - - /** Number of data read in total (in bytes) */ - ulint_ctr_1_t data_read; - - /** Wait time of database locks */ - ib_int64_ctr_1_t n_lock_wait_time; - - /** Number of database lock waits */ - ulint_ctr_1_t n_lock_wait_count; - - /** Number of threads currently waiting on database locks */ - simple_counter<ulint, true> n_lock_wait_current_count; - - /** Number of rows read. */ - ulint_ctr_64_t n_rows_read; - - /** Number of rows updated */ - ulint_ctr_64_t n_rows_updated; - - /** Number of rows deleted */ - ulint_ctr_64_t n_rows_deleted; - - /** Number of rows inserted */ - ulint_ctr_64_t n_rows_inserted; - - /** Number of system rows read. */ - ulint_ctr_64_t n_system_rows_read; - - /** Number of system rows updated */ - ulint_ctr_64_t n_system_rows_updated; - - /** Number of system rows deleted */ - ulint_ctr_64_t n_system_rows_deleted; - - /** Number of system rows inserted */ - ulint_ctr_64_t n_system_rows_inserted; - - /** Number of times secondary index lookup triggered cluster lookup */ - ulint_ctr_64_t n_sec_rec_cluster_reads; - - /** Number of times prefix optimization avoided triggering cluster lookup */ - ulint_ctr_64_t n_sec_rec_cluster_reads_avoided; - - /** Number of lock deadlocks */ - ulint_ctr_1_t lock_deadlock_count; - - /** Number of lock waits that have been up to max time (i.e.) lock - wait timeout */ - ulint_ctr_1_t n_lock_max_wait_time; - - /** Number of times page 0 is read from tablespace */ - ulint_ctr_64_t page0_read; - - /** Number of encryption_get_latest_key_version calls */ - ulint_ctr_64_t n_key_requests; - - /** Number of spaces in keyrotation list */ - ulint_ctr_64_t key_rotation_list_length; -}; - -extern const char* srv_main_thread_op_info; - -/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ -extern const char srv_mysql50_table_name_prefix[10]; - -/** Event to signal srv_monitor_thread. Not protected by a mutex. -Set after setting srv_print_innodb_monitor. */ -extern os_event_t srv_monitor_event; - -/** Event to signal the shutdown of srv_error_monitor_thread. -Not protected by a mutex. */ -extern os_event_t srv_error_event; - -/** Event for waking up buf_dump_thread. Not protected by a mutex. -Set on shutdown or by buf_dump_start() or buf_load_start(). */ -extern os_event_t srv_buf_dump_event; - -/** The buffer pool dump/load file name */ -#define SRV_BUF_DUMP_FILENAME_DEFAULT "ib_buffer_pool" -extern char* srv_buf_dump_filename; - -/** Boolean config knobs that tell InnoDB to dump the buffer pool at shutdown -and/or load it during startup. */ -extern char srv_buffer_pool_dump_at_shutdown; -extern char srv_buffer_pool_load_at_startup; - -/* Whether to disable file system cache if it is defined */ -extern char srv_disable_sort_file_cache; - -/* This event is set on checkpoint completion to wake the redo log parser -thread */ -extern os_event_t srv_checkpoint_completed_event; - -/* This event is set on the online redo log following thread after a successful -log tracking iteration */ -extern os_event_t srv_redo_log_tracked_event; - -/** Whether the redo log tracker thread has been started. Does not take into -account whether the tracking is currently enabled (see srv_track_changed_pages -for that) */ -extern bool srv_redo_log_thread_started; - -/* If the last data file is auto-extended, we add this many pages to it -at a time */ -#define SRV_AUTO_EXTEND_INCREMENT \ - (srv_auto_extend_increment * ((1024 * 1024) / UNIV_PAGE_SIZE)) - -/* Mutex for locking srv_monitor_file. Not created if srv_read_only_mode */ -extern ib_mutex_t srv_monitor_file_mutex; - -/* prototypes for new functions added to ha_innodb.cc */ -ibool innobase_get_slow_log(); - -/* Temporary file for innodb monitor output */ -extern FILE* srv_monitor_file; -/* Mutex for locking srv_dict_tmpfile. Only created if !srv_read_only_mode. -This mutex has a very high rank; threads reserving it should not -be holding any InnoDB latches. */ -extern ib_mutex_t srv_dict_tmpfile_mutex; -/* Temporary file for output from the data dictionary */ -extern FILE* srv_dict_tmpfile; -/* Mutex for locking srv_misc_tmpfile. Only created if !srv_read_only_mode. -This mutex has a very low rank; threads reserving it should not -acquire any further latches or sleep before releasing this one. */ -extern ib_mutex_t srv_misc_tmpfile_mutex; -/* Temporary file for miscellanous diagnostic output */ -extern FILE* srv_misc_tmpfile; - -/* Server parameters which are read from the initfile */ - -extern char* srv_data_home; - -#ifdef UNIV_LOG_ARCHIVE -extern char* srv_arch_dir; -#endif /* UNIV_LOG_ARCHIVE */ - -/** Set if InnoDB must operate in read-only mode. We don't do any -recovery and open all tables in RO mode instead of RW mode. We don't -sync the max trx id to disk either. */ -extern my_bool srv_read_only_mode; -/** Set if InnoDB operates in read-only mode or innodb-force-recovery -is greater than SRV_FORCE_NO_TRX_UNDO. */ -extern my_bool high_level_read_only; -/** store to its own file each table created by an user; data -dictionary tables are in the system tablespace 0 */ -extern my_bool srv_file_per_table; -/** Sleep delay for threads waiting to enter InnoDB. In micro-seconds. */ -extern ulong srv_thread_sleep_delay; -#if defined(HAVE_ATOMIC_BUILTINS) -/** Maximum sleep delay (in micro-seconds), value of 0 disables it.*/ -extern ulong srv_adaptive_max_sleep_delay; -#endif /* HAVE_ATOMIC_BUILTINS */ - -/** The file format to use on new *.ibd files. */ -extern ulint srv_file_format; -/** Whether to check file format during startup. A value of -UNIV_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to -set it to the highest format we support. */ -extern ulint srv_max_file_format_at_startup; -/** Place locks to records only i.e. do not use next-key locking except -on duplicate key checking and foreign key checking */ -extern ibool srv_locks_unsafe_for_binlog; - -/** Sort buffer size in index creation */ -extern ulong srv_sort_buf_size; -/** Maximum modification log file size for online index creation */ -extern unsigned long long srv_online_max_size; - -/* If this flag is TRUE, then we will use the native aio of the -OS (provided we compiled Innobase with it in), otherwise we will -use simulated aio we build below with threads. -Currently we support native aio on windows and linux */ -extern my_bool srv_use_native_aio; -extern my_bool srv_numa_interleave; -#endif /* !UNIV_HOTBACKUP */ - -/* Use trim operation */ -extern my_bool srv_use_trim; - -/* Use posix fallocate */ -extern my_bool srv_use_posix_fallocate; - -/* Use atomic writes i.e disable doublewrite buffer */ -extern my_bool srv_use_atomic_writes; - -/* Compression algorithm*/ -extern ulong innodb_compression_algorithm; - -/* Number of flush threads */ -#define MTFLUSH_MAX_WORKER 64 -#define MTFLUSH_DEFAULT_WORKER 8 - -/* Number of threads used for multi-threaded flush */ -extern long srv_mtflush_threads; - -/* If this flag is TRUE, then we will use multi threaded flush. */ -extern my_bool srv_use_mtflush; - -/** Server undo tablespaces directory, can be absolute path. */ -extern char* srv_undo_dir; - -/** Number of undo tablespaces to use. */ -extern ulong srv_undo_tablespaces; - -/** The number of UNDO tablespaces that are open and ready to use. */ -extern ulint srv_undo_tablespaces_open; - -/* The number of undo segments to use */ -extern ulong srv_undo_logs; - -extern ulint srv_n_data_files; -extern char** srv_data_file_names; -extern ulint* srv_data_file_sizes; -extern ulint* srv_data_file_is_raw_partition; - -/** Whether the redo log tracking is currently enabled. Note that it is -possible for the log tracker thread to be running and the tracking to be -disabled */ -extern my_bool srv_track_changed_pages; -extern ulonglong srv_max_bitmap_file_size; - -extern -ulonglong srv_max_changed_pages; - -extern uint srv_n_fil_crypt_threads; -extern uint srv_n_fil_crypt_threads_started; - -extern ibool srv_auto_extend_last_data_file; -extern ulint srv_last_file_size_max; -extern char* srv_log_group_home_dir; -#ifndef UNIV_HOTBACKUP -extern ulong srv_auto_extend_increment; - -extern ibool srv_created_new_raw; - -/* Optimize prefix index queries to skip cluster index lookup when possible */ -/* Enables or disables this prefix optimization. Disabled by default. */ -extern my_bool srv_prefix_index_cluster_optimization; - -/** Maximum number of srv_n_log_files, or innodb_log_files_in_group */ -#define SRV_N_LOG_FILES_MAX 100 -extern ulong srv_n_log_files; -extern ib_uint64_t srv_log_file_size; -extern ib_uint64_t srv_log_file_size_requested; -extern ulint srv_log_buffer_size; -extern uint srv_flush_log_at_timeout; -extern char srv_use_global_flush_log_at_trx_commit; -extern char srv_adaptive_flushing; - -#ifdef WITH_INNODB_DISALLOW_WRITES -/* When this event is reset we do not allow any file writes to take place. */ -extern os_event_t srv_allow_writes_event; -#endif /* WITH_INNODB_DISALLOW_WRITES */ -/* If this flag is TRUE, then we will load the indexes' (and tables') metadata -even if they are marked as "corrupted". Mostly it is for DBA to process -corrupted index and table */ -extern my_bool srv_load_corrupted; - -extern ulong srv_show_locks_held; -extern ulong srv_show_verbose_locks; - -/* The sort order table of the MySQL latin1_swedish_ci character set -collation */ -extern const byte* srv_latin1_ordering; -#ifndef UNIV_HOTBACKUP -extern my_bool srv_use_sys_malloc; -#else -extern ibool srv_use_sys_malloc; -#endif /* UNIV_HOTBACKUP */ -extern ulint srv_buf_pool_size; /*!< requested size in bytes */ -extern ulint srv_buf_pool_instances; /*!< requested number of buffer pool instances */ -extern ulong srv_n_page_hash_locks; /*!< number of locks to - protect buf_pool->page_hash */ -extern ulong srv_LRU_scan_depth; /*!< Scan depth for LRU - flush batch */ -extern ulong srv_flush_neighbors; /*!< whether or not to flush - neighbors of a block */ -extern ulint srv_buf_pool_old_size; /*!< previously requested size */ -extern ulint srv_buf_pool_curr_size; /*!< current size in bytes */ -extern ulong srv_buf_pool_dump_pct; /*!< dump that may % of each buffer - pool during BP dump */ -extern ulint srv_mem_pool_size; -extern ulint srv_lock_table_size; - -extern ulong srv_foreground_preflush;/*!< Query thread preflush algorithm */ - -extern ulint srv_cleaner_max_lru_time;/*!< the maximum time limit for a - single LRU tail flush iteration by the - page cleaner thread */ - -extern ulint srv_cleaner_max_flush_time;/*!< the maximum time limit for a - single flush list flush iteration by - the page cleaner thread */ - -extern ulint srv_cleaner_flush_chunk_size; - /*!< page cleaner flush list flush - batches are further divided into this - chunk size */ - -extern ulint srv_cleaner_lru_chunk_size; - /*!< page cleaner LRU list flush - batches are further divided into this - chunk size */ - -extern ulint srv_cleaner_free_list_lwm;/*!< if free list length is lower - than this percentage of - srv_LRU_scan_depth, page cleaner LRU - flushes will issue flush batches to the - same instance in a row */ - -extern my_bool srv_cleaner_eviction_factor; - /*!< if TRUE, page cleaner heuristics - use evicted instead of flushed page - counts for its heuristics */ - -extern ulong srv_cleaner_lsn_age_factor; - /*!< page cleaner LSN age factor - formula option */ - -extern ulong srv_empty_free_list_algorithm; - /*!< Empty free list for a query thread - handling algorithm option */ - -extern ulint srv_n_file_io_threads; -extern my_bool srv_random_read_ahead; -extern ulong srv_read_ahead_threshold; -extern ulint srv_n_read_io_threads; -extern ulint srv_n_write_io_threads; -/* Defragmentation, Origianlly facebook default value is 100, but it's too high */ -#define SRV_DEFRAGMENT_FREQUENCY_DEFAULT 40 -extern my_bool srv_defragment; -extern uint srv_defragment_n_pages; -extern uint srv_defragment_stats_accuracy; -extern uint srv_defragment_fill_factor_n_recs; -extern double srv_defragment_fill_factor; -extern uint srv_defragment_frequency; -extern ulonglong srv_defragment_interval; - -extern ulong srv_idle_flush_pct; - -/* Number of IO operations per second the server can do */ -extern ulong srv_io_capacity; - -/* We use this dummy default value at startup for max_io_capacity. -The real value is set based on the value of io_capacity. */ -#define SRV_MAX_IO_CAPACITY_DUMMY_DEFAULT (~0UL) -#define SRV_MAX_IO_CAPACITY_LIMIT (~0UL) -extern ulong srv_max_io_capacity; -/* Returns the number of IO operations that is X percent of the -capacity. PCT_IO(5) -> returns the number of IO operations that -is 5% of the max where max is srv_io_capacity. */ -#define PCT_IO(p) ((ulong) (srv_io_capacity * ((double) (p) / 100.0))) - -/* The "innodb_stats_method" setting, decides how InnoDB is going -to treat NULL value when collecting statistics. It is not defined -as enum type because the configure option takes unsigned integer type. */ -extern ulong srv_innodb_stats_method; - -#ifdef UNIV_LOG_ARCHIVE -extern bool srv_log_archive_on; -extern bool srv_archive_recovery; -extern ib_uint64_t srv_archive_recovery_limit_lsn; -#endif /* UNIV_LOG_ARCHIVE */ - -extern char* srv_file_flush_method_str; -extern ulint srv_unix_file_flush_method; -extern ulint srv_win_file_flush_method; - -extern ulint srv_max_n_open_files; - -extern double srv_max_dirty_pages_pct; -extern double srv_max_dirty_pages_pct_lwm; - -extern double srv_adaptive_flushing_lwm; -extern ulong srv_flushing_avg_loops; - -extern ulong srv_force_recovery; - -extern ulint srv_fast_shutdown; /*!< If this is 1, do not do a - purge and index buffer merge. - If this 2, do not even flush the - buffer pool to data files at the - shutdown: we effectively 'crash' - InnoDB (but lose no committed - transactions). */ -extern ibool srv_innodb_status; - -extern unsigned long long srv_stats_transient_sample_pages; -extern my_bool srv_stats_persistent; -extern unsigned long long srv_stats_persistent_sample_pages; -extern my_bool srv_stats_auto_recalc; -extern my_bool srv_stats_include_delete_marked; -extern unsigned long long srv_stats_modified_counter; -extern my_bool srv_stats_sample_traditional; - -extern ibool srv_use_doublewrite_buf; -extern ulong srv_doublewrite_batch_size; - -extern ulong srv_log_arch_expire_sec; - -extern double srv_max_buf_pool_modified_pct; -extern ulong srv_max_purge_lag; -extern ulong srv_max_purge_lag_delay; - -extern ulong srv_replication_delay; - -extern my_bool srv_use_stacktrace; - -extern ulong srv_pass_corrupt_table; - -extern ulong srv_log_checksum_algorithm; - -extern bool srv_apply_log_only; - -extern bool srv_backup_mode; -extern bool srv_close_files; -extern bool srv_xtrabackup; - -#define IS_XTRABACKUP() (srv_xtrabackup) - -extern my_bool srv_force_primary_key; - -/* Helper macro to support srv_pass_corrupt_table checks. If 'cond' is FALSE, -execute 'code' if srv_pass_corrupt_table is non-zero, or trigger a fatal error -otherwise. The break statement in 'code' will obviously not work as -expected. */ - -#define SRV_CORRUPT_TABLE_CHECK(cond,code) \ - do { \ - if (UNIV_UNLIKELY(!(cond))) { \ - if (srv_pass_corrupt_table) { \ - code \ - } else { \ - ut_error; \ - } \ - } \ - } while(0) - -/*-------------------------------------------*/ - -extern ulint srv_read_views_memory; -extern ulint srv_descriptors_memory; - -extern my_bool srv_print_innodb_monitor; -extern my_bool srv_print_innodb_lock_monitor; -extern ibool srv_print_innodb_tablespace_monitor; -extern ibool srv_print_verbose_log; -#define DEPRECATED_MSG_INNODB_TABLE_MONITOR \ - "Using innodb_table_monitor is deprecated and it may be removed " \ - "in future releases. Please use the InnoDB INFORMATION_SCHEMA " \ - "tables instead, see " REFMAN "innodb-i_s-tables.html" -extern ibool srv_print_innodb_table_monitor; - -extern bool srv_monitor_active; -extern bool srv_error_monitor_active; - -/* TRUE during the lifetime of the buffer pool dump/load thread */ -extern bool srv_buf_dump_thread_active; - -/* TRUE during the lifetime of the stats thread */ -extern bool srv_dict_stats_thread_active; - -/* TRUE if enable log scrubbing */ -extern my_bool srv_scrub_log; - -extern ulong srv_n_spin_wait_rounds; -extern ulong srv_n_free_tickets_to_enter; -extern ulong srv_thread_sleep_delay; -extern ulong srv_spin_wait_delay; -extern ibool srv_priority_boost; - -extern ulint srv_truncated_status_writes; -extern ulint srv_available_undo_logs; - -extern ulint srv_column_compressed; -extern ulint srv_column_decompressed; - -extern ulint srv_mem_pool_size; -extern ulint srv_lock_table_size; - -#ifdef UNIV_DEBUG -extern ibool srv_print_thread_releases; -extern ibool srv_print_lock_waits; -extern ibool srv_print_buf_io; -extern ibool srv_print_log_io; -extern ibool srv_print_latch_waits; -#else /* UNIV_DEBUG */ -# define srv_print_thread_releases FALSE -# define srv_print_lock_waits FALSE -# define srv_print_buf_io FALSE -# define srv_print_log_io FALSE -# define srv_print_latch_waits FALSE -#endif /* UNIV_DEBUG */ - -#if defined UNIV_DEBUG || defined UNIV_IBUF_DEBUG -extern my_bool srv_ibuf_disable_background_merge; -#endif /* UNIV_DEBUG || UNIV_IBUF_DEBUG */ - -#ifdef UNIV_DEBUG -extern my_bool srv_purge_view_update_only_debug; -extern uint srv_sys_space_size_debug; -#endif /* UNIV_DEBUG */ - -#define SRV_SEMAPHORE_WAIT_EXTENSION 7200 -extern ulint srv_dml_needed_delay; -extern long long srv_kill_idle_transaction; - -#ifndef HAVE_ATOMIC_BUILTINS -/** Mutex protecting some server global variables. */ -extern ib_mutex_t server_mutex; -#endif /* !HAVE_ATOMIC_BUILTINS */ - -#define SRV_MAX_N_IO_THREADS 130 - -#define SRV_MAX_N_PURGE_THREADS 32 - -/* Array of English strings describing the current state of an -i/o handler thread */ -extern const char* srv_io_thread_op_info[]; -extern const char* srv_io_thread_function[]; - -/* The tid of the cleaner thread */ -extern os_tid_t srv_cleaner_tid; - -/* The tid of the LRU manager thread */ -extern os_tid_t srv_lru_manager_tid; - -/* The tids of the purge threads */ -extern os_tid_t srv_purge_tids[]; - -/* The tids of the I/O threads */ -extern os_tid_t srv_io_tids[]; - -/* The tid of the master thread */ -extern os_tid_t srv_master_tid; - -/* The relative scheduling priority of the cleaner and LRU manager threads */ -extern ulint srv_sched_priority_cleaner; - -/* The relative scheduling priority of the purge threads */ -extern ulint srv_sched_priority_purge; - -/* The relative scheduling priority of the I/O threads */ -extern ulint srv_sched_priority_io; - -/* The relative scheduling priority of the master thread */ -extern ulint srv_sched_priority_master; - -/* The relative priority of the purge coordinator and worker threads. */ -extern my_bool srv_purge_thread_priority; - -/* The relative priority of the I/O threads. */ -extern my_bool srv_io_thread_priority; - -/* The relative priority of the cleaner thread. */ -extern my_bool srv_cleaner_thread_priority; - -/* The relative priority of the master thread. */ -extern my_bool srv_master_thread_priority; - -/* the number of purge threads to use from the worker pool (currently 0 or 1) */ -extern ulong srv_n_purge_threads; - -/* the number of pages to purge in one batch */ -extern ulong srv_purge_batch_size; - -/* the number of sync wait arrays */ -extern ulong srv_sync_array_size; - -/* print all user-level transactions deadlocks to mysqld stderr */ -extern my_bool srv_print_all_deadlocks; - -extern my_bool srv_cmp_per_index_enabled; - -/* is encryption enabled */ -extern ulong srv_encrypt_tables; - -/** Status variables to be passed to MySQL */ -extern struct export_var_t export_vars; - -/** Global counters */ -extern srv_stats_t srv_stats; - -/** When TRUE, fake change transcations take S rather than X row locks. -When FALSE, row locks are not taken at all. */ -extern my_bool srv_fake_changes_locks; - -/** Simulate compression failures. */ -extern uint srv_simulate_comp_failures; - -/** Fatal semaphore wait threshold = maximum number of seconds -that semaphore times out in InnoDB */ -#define DEFAULT_SRV_FATAL_SEMAPHORE_TIMEOUT 600 -extern ulong srv_fatal_semaphore_wait_threshold; - -/** Enable semaphore request instrumentation */ -extern my_bool srv_instrument_semaphores; - -/** Buffer pool dump status frequence in percentages */ -extern ulong srv_buf_dump_status_frequency; - -# ifdef UNIV_PFS_THREAD -/* Keys to register InnoDB threads with performance schema */ -extern mysql_pfs_key_t buf_page_cleaner_thread_key; -extern mysql_pfs_key_t buf_lru_manager_thread_key; -extern mysql_pfs_key_t trx_rollback_clean_thread_key; -extern mysql_pfs_key_t io_handler_thread_key; -extern mysql_pfs_key_t srv_lock_timeout_thread_key; -extern mysql_pfs_key_t srv_error_monitor_thread_key; -extern mysql_pfs_key_t srv_monitor_thread_key; -extern mysql_pfs_key_t srv_master_thread_key; -extern mysql_pfs_key_t srv_purge_thread_key; -extern mysql_pfs_key_t recv_writer_thread_key; -extern mysql_pfs_key_t srv_log_tracking_thread_key; - -/* This macro register the current thread and its key with performance -schema */ -# define pfs_register_thread(key) \ -do { \ - struct PSI_thread* psi = PSI_THREAD_CALL(new_thread)(key, NULL, 0);\ - PSI_THREAD_CALL(set_thread)(psi); \ -} while (0) - -/* This macro delist the current thread from performance schema */ -# define pfs_delete_thread() \ -do { \ - PSI_THREAD_CALL(delete_current_thread)(); \ -} while (0) -# endif /* UNIV_PFS_THREAD */ - -#endif /* !UNIV_HOTBACKUP */ - -/** Types of raw partitions in innodb_data_file_path */ -enum { - SRV_NOT_RAW = 0, /*!< Not a raw partition */ - SRV_NEW_RAW, /*!< A 'newraw' partition, only to be - initialized */ - SRV_OLD_RAW /*!< An initialized raw partition */ -}; - -/** Alternatives for the file flush option in Unix; see the InnoDB manual -about what these mean */ -enum { - SRV_UNIX_FSYNC = 1, /*!< fsync, the default */ - SRV_UNIX_O_DSYNC, /*!< open log files in O_SYNC mode */ - SRV_UNIX_LITTLESYNC, /*!< do not call os_file_flush() - when writing data files, but do flush - after writing to log files */ - SRV_UNIX_NOSYNC, /*!< do not flush after writing */ - SRV_UNIX_O_DIRECT, /*!< invoke os_file_set_nocache() on - data files. This implies using - non-buffered IO but still using fsync, - the reason for which is that some FS - do not flush meta-data when - unbuffered IO happens */ - SRV_UNIX_O_DIRECT_NO_FSYNC, - /*!< do not use fsync() when using - direct IO i.e.: it can be set to avoid - the fsync() call that we make when - using SRV_UNIX_O_DIRECT. However, in - this case user/DBA should be sure about - the integrity of the meta-data */ - SRV_UNIX_ALL_O_DIRECT /*!< similar to O_DIRECT, invokes - os_file_set_nocache() on data and log files. - This implies using non-buffered IO but still - using fsync for data but not log files. */ -}; - -/** Alternatives for file i/o in Windows */ -enum { - SRV_WIN_IO_NORMAL = 1, /*!< buffered I/O */ - SRV_WIN_IO_UNBUFFERED /*!< unbuffered I/O; this is the default */ -}; - -/** Alternatives for srv_force_recovery. Non-zero values are intended -to help the user get a damaged database up so that he can dump intact -tables and rows with SELECT INTO OUTFILE. The database must not otherwise -be used with these options! A bigger number below means that all precautions -of lower numbers are included. */ -enum { - SRV_FORCE_IGNORE_CORRUPT = 1, /*!< let the server run even if it - detects a corrupt page */ - SRV_FORCE_NO_BACKGROUND = 2, /*!< prevent the main thread from - running: if a crash would occur - in purge, this prevents it */ - SRV_FORCE_NO_TRX_UNDO = 3, /*!< do not run trx rollback after - recovery */ - SRV_FORCE_NO_IBUF_MERGE = 4, /*!< prevent also ibuf operations: - if they would cause a crash, better - not do them */ - SRV_FORCE_NO_UNDO_LOG_SCAN = 5, /*!< do not look at undo logs when - starting the database: InnoDB will - treat even incomplete transactions - as committed */ - SRV_FORCE_NO_LOG_REDO = 6 /*!< do not do the log roll-forward - in connection with recovery */ -}; - -/* Alternatives for srv_innodb_stats_method, which could be changed by -setting innodb_stats_method */ -enum srv_stats_method_name_enum { - SRV_STATS_NULLS_EQUAL, /* All NULL values are treated as - equal. This is the default setting - for innodb_stats_method */ - SRV_STATS_NULLS_UNEQUAL, /* All NULL values are treated as - NOT equal. */ - SRV_STATS_NULLS_IGNORED /* NULL values are ignored */ -}; - -typedef enum srv_stats_method_name_enum srv_stats_method_name_t; - -#ifndef UNIV_HOTBACKUP -/** Types of threads existing in the system. */ -enum srv_thread_type { - SRV_NONE, /*!< None */ - SRV_WORKER, /*!< threads serving parallelized - queries and queries released from - lock wait */ - SRV_PURGE, /*!< Purge coordinator thread */ - SRV_MASTER /*!< the master thread, (whose type - number must be biggest) */ -}; - -/*********************************************************************//** -Boots Innobase server. */ -UNIV_INTERN -void -srv_boot(void); -/*==========*/ -/*********************************************************************//** -Initializes the server. */ -UNIV_INTERN -void -srv_init(void); -/*==========*/ -/*********************************************************************//** -Frees the data structures created in srv_init(). */ -UNIV_INTERN -void -srv_free(void); -/*==========*/ -/*********************************************************************//** -Initializes the synchronization primitives, memory system, and the thread -local storage. */ -UNIV_INTERN -void -srv_general_init(void); -/*==================*/ -/*********************************************************************//** -Sets the info describing an i/o thread current state. */ -UNIV_INTERN -void -srv_set_io_thread_op_info( -/*======================*/ - ulint i, /*!< in: the 'segment' of the i/o thread */ - const char* str); /*!< in: constant char string describing the - state */ -/*********************************************************************//** -Resets the info describing an i/o thread current state. */ -UNIV_INTERN -void -srv_reset_io_thread_op_info(); -/*=========================*/ -/*******************************************************************//** -Tells the purge thread that there has been activity in the database -and wakes up the purge thread if it is suspended (not sleeping). Note -that there is a small chance that the purge thread stays suspended -(we do not protect our operation with the srv_sys_t:mutex, for -performance reasons). */ -UNIV_INTERN -void -srv_wake_purge_thread_if_not_active(void); -/*=====================================*/ -/*******************************************************************//** -Tells the Innobase server that there has been activity in the database -and wakes up the master thread if it is suspended (not sleeping). Used -in the MySQL interface. Note that there is a small chance that the master -thread stays suspended (we do not protect our operation with the kernel -mutex, for performace reasons). */ -UNIV_INTERN -void -srv_active_wake_master_thread(void); -/*===============================*/ -/*******************************************************************//** -Wakes up the master thread if it is suspended or being suspended. */ -UNIV_INTERN -void -srv_wake_master_thread(void); -/*========================*/ -/******************************************************************//** -A thread which follows the redo log and outputs the changed page bitmap. -@return a dummy value */ -extern "C" -UNIV_INTERN -os_thread_ret_t -DECLARE_THREAD(srv_redo_log_follow_thread)( -/*=======================*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ -/******************************************************************//** -Outputs to a file the output of the InnoDB Monitor. -@return FALSE if not all information printed -due to failure to obtain necessary mutex */ -UNIV_INTERN -ibool -srv_printf_innodb_monitor( -/*======================*/ - FILE* file, /*!< in: output stream */ - ibool nowait, /*!< in: whether to wait for the - lock_sys_t::mutex */ - ulint* trx_start, /*!< out: file position of the start of - the list of active transactions */ - ulint* trx_end); /*!< out: file position of the end of - the list of active transactions */ - -/******************************************************************//** -Function to pass InnoDB status variables to MySQL */ -UNIV_INTERN -void -srv_export_innodb_status(void); -/*==========================*/ -/*************************************************************//** -Removes old archived transaction log files. -Both parameters couldn't be provided at the same time. -@return DB_SUCCESS on success, otherwise DB_ERROR */ -UNIV_INTERN -dberr_t -purge_archived_logs( - time_t before_date, /*!< in: all files modified - before timestamp should be removed */ - lsn_t before_lsn); /*!< in: files with this lsn in name - and earler should be removed */ -/*==========================*/ -/*******************************************************************//** -Get current server activity count. We don't hold srv_sys::mutex while -reading this value as it is only used in heuristics. -@return activity count. */ -UNIV_INTERN -ulint -srv_get_activity_count(void); -/*========================*/ -/*******************************************************************//** -Check if there has been any activity. Considers background change buffer -merge as regular server activity unless a non-default -old_ibuf_merge_activity_count value is passed, in which case the merge will be -treated as keeping server idle. -@return FALSE if no change in activity counter. */ -UNIV_INTERN -ibool -srv_check_activity( -/*===============*/ - ulint old_activity_count, /*!< old activity count */ - /*!< old change buffer merge - activity count, or - ULINT_UNDEFINED */ - ulint old_ibuf_merge_activity_count = ULINT_UNDEFINED); -/******************************************************************//** -Increment the server activity counter. */ -UNIV_INTERN -void -srv_inc_activity_count( -/*===================*/ - bool ibuf_merge_activity = false); /*!< whether this activity bump - is caused by the background - change buffer merge */ - -/**********************************************************************//** -Enqueues a task to server task queue and releases a worker thread, if there -is a suspended one. */ -UNIV_INTERN -void -srv_que_task_enqueue_low( -/*=====================*/ - que_thr_t* thr); /*!< in: query thread */ - -/**********************************************************************//** -Check whether any background thread is active. If so, return the thread -type. -@return SRV_NONE if all are are suspended or have exited, thread -type if any are still active. */ -UNIV_INTERN -enum srv_thread_type -srv_get_active_thread_type(void); -/*============================*/ - -extern "C" { - -/*********************************************************************//** -A thread which prints the info output by various InnoDB monitors. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -DECLARE_THREAD(srv_monitor_thread)( -/*===============================*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ - -/*********************************************************************//** -The master thread controlling the server. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -DECLARE_THREAD(srv_master_thread)( -/*==============================*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ - -/************************************************************************* -A thread which prints warnings about semaphore waits which have lasted -too long. These can be used to track bugs which cause hangs. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -DECLARE_THREAD(srv_error_monitor_thread)( -/*=====================================*/ - void* arg); /*!< in: a dummy parameter required by - os_thread_create */ - -/*********************************************************************//** -Purge coordinator thread that schedules the purge tasks. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -DECLARE_THREAD(srv_purge_coordinator_thread)( -/*=========================================*/ - void* arg MY_ATTRIBUTE((unused))); /*!< in: a dummy parameter - required by os_thread_create */ - -/*********************************************************************//** -Worker thread that reads tasks from the work queue and executes them. -@return a dummy parameter */ -UNIV_INTERN -os_thread_ret_t -DECLARE_THREAD(srv_worker_thread)( -/*==============================*/ - void* arg MY_ATTRIBUTE((unused))); /*!< in: a dummy parameter - required by os_thread_create */ -} /* extern "C" */ - -/**********************************************************************//** -Get count of tasks in the queue. -@return number of tasks in queue */ -UNIV_INTERN -ulint -srv_get_task_queue_length(void); -/*===========================*/ - -/** Ensure that a given number of threads of the type given are running -(or are already terminated). -@param[in] type thread type -@param[in] n number of threads that have to run */ -void -srv_release_threads(enum srv_thread_type type, ulint n); - -/** Wake up the purge threads. */ -UNIV_INTERN -void -srv_purge_wakeup(); - -/** Check whether given space id is undo tablespace id -@param[in] space_id space id to check -@return true if it is undo tablespace else false. */ -bool -srv_is_undo_tablespace( - ulint space_id); - -/** Status variables to be passed to MySQL */ -struct export_var_t{ - ulint innodb_adaptive_hash_hash_searches; - ulint innodb_adaptive_hash_non_hash_searches; - ulint innodb_background_log_sync; - ulint innodb_data_pending_reads; /*!< Pending reads */ - ulint innodb_data_pending_writes; /*!< Pending writes */ - ulint innodb_data_pending_fsyncs; /*!< Pending fsyncs */ - ulint innodb_data_fsyncs; /*!< Number of fsyncs so far */ - ulint innodb_data_read; /*!< Data bytes read */ - ulint innodb_data_writes; /*!< I/O write requests */ - ulint innodb_data_written; /*!< Data bytes written */ - ulint innodb_data_reads; /*!< I/O read requests */ - char innodb_buffer_pool_dump_status[512];/*!< Buf pool dump status */ - char innodb_buffer_pool_load_status[512];/*!< Buf pool load status */ - ulint innodb_buffer_pool_pages_total; /*!< Buffer pool size */ - ulint innodb_buffer_pool_pages_data; /*!< Data pages */ - ulint innodb_buffer_pool_bytes_data; /*!< File bytes used */ - ulint innodb_buffer_pool_pages_dirty; /*!< Dirty data pages */ - ulint innodb_buffer_pool_bytes_dirty; /*!< File bytes modified */ - ulint innodb_buffer_pool_pages_misc; /*!< Miscellanous pages */ - ulint innodb_buffer_pool_pages_free; /*!< Free pages */ -#ifdef UNIV_DEBUG - ulint innodb_buffer_pool_pages_latched; /*!< Latched pages */ -#endif /* UNIV_DEBUG */ - ulint innodb_buffer_pool_pages_made_not_young; - ulint innodb_buffer_pool_pages_made_young; - ulint innodb_buffer_pool_pages_old; - ulint innodb_buffer_pool_read_requests; /*!< buf_pool->stat.n_page_gets */ - ulint innodb_buffer_pool_reads; /*!< srv_buf_pool_reads */ - ulint innodb_buffer_pool_wait_free; /*!< srv_buf_pool_wait_free */ - ulint innodb_buffer_pool_pages_flushed; /*!< srv_buf_pool_flushed */ - ulint innodb_buffer_pool_pages_LRU_flushed; /*!< buf_lru_flush_page_count */ - ulint innodb_buffer_pool_write_requests;/*!< srv_buf_pool_write_requests */ - ulint innodb_buffer_pool_read_ahead_rnd;/*!< srv_read_ahead_rnd */ - ulint innodb_buffer_pool_read_ahead; /*!< srv_read_ahead */ - ulint innodb_buffer_pool_read_ahead_evicted;/*!< srv_read_ahead evicted*/ - ulint innodb_checkpoint_age; - ulint innodb_checkpoint_max_age; - ulint innodb_dblwr_pages_written; /*!< srv_dblwr_pages_written */ - ulint innodb_dblwr_writes; /*!< srv_dblwr_writes */ - ulint innodb_deadlocks; - ibool innodb_have_atomic_builtins; /*!< HAVE_ATOMIC_BUILTINS */ - ulint innodb_history_list_length; - ulint innodb_ibuf_size; - ulint innodb_ibuf_free_list; - ulint innodb_ibuf_segment_size; - ulint innodb_ibuf_merges; - ulint innodb_ibuf_merged_inserts; - ulint innodb_ibuf_merged_delete_marks; - ulint innodb_ibuf_merged_deletes; - ulint innodb_ibuf_discarded_inserts; - ulint innodb_ibuf_discarded_delete_marks; - ulint innodb_ibuf_discarded_deletes; - ulint innodb_log_waits; /*!< srv_log_waits */ - ulint innodb_log_write_requests; /*!< srv_log_write_requests */ - ulint innodb_log_writes; /*!< srv_log_writes */ - lsn_t innodb_os_log_written; /*!< srv_os_log_written */ - lsn_t innodb_lsn_current; - lsn_t innodb_lsn_flushed; - lsn_t innodb_lsn_last_checkpoint; - ulint innodb_master_thread_active_loops;/*!< srv_main_active_loops */ - ulint innodb_master_thread_idle_loops; /*!< srv_main_idle_loops */ - ib_int64_t innodb_max_trx_id; - ulint innodb_mem_adaptive_hash; - ulint innodb_mem_dictionary; - ulint innodb_mem_total; - ib_int64_t innodb_mutex_os_waits; - ib_int64_t innodb_mutex_spin_rounds; - ib_int64_t innodb_mutex_spin_waits; - ib_int64_t innodb_oldest_view_low_limit_trx_id; - ulint innodb_os_log_fsyncs; /*!< fil_n_log_flushes */ - ulint innodb_os_log_pending_writes; /*!< srv_os_log_pending_writes */ - ulint innodb_os_log_pending_fsyncs; /*!< fil_n_pending_log_flushes */ - ulint innodb_page_size; /*!< UNIV_PAGE_SIZE */ - ulint innodb_pages_created; /*!< buf_pool->stat.n_pages_created */ - ulint innodb_pages_read; /*!< buf_pool->stat.n_pages_read*/ - ulint innodb_page0_read; /*!< srv_stats.page0_read */ - ulint innodb_pages_written; /*!< buf_pool->stat.n_pages_written */ - ib_int64_t innodb_purge_trx_id; - ib_int64_t innodb_purge_undo_no; - ulint innodb_row_lock_waits; /*!< srv_n_lock_wait_count */ - ulint innodb_row_lock_current_waits; /*!< srv_n_lock_wait_current_count */ - ib_int64_t innodb_row_lock_time; /*!< srv_n_lock_wait_time - / 1000 */ - ulint innodb_row_lock_time_avg; /*!< srv_n_lock_wait_time - / 1000 - / srv_n_lock_wait_count */ - ulint innodb_row_lock_time_max; /*!< srv_n_lock_max_wait_time - / 1000 */ - ulint innodb_current_row_locks; - ulint innodb_rows_read; /*!< srv_n_rows_read */ - ulint innodb_rows_inserted; /*!< srv_n_rows_inserted */ - ulint innodb_rows_updated; /*!< srv_n_rows_updated */ - ulint innodb_rows_deleted; /*!< srv_n_rows_deleted */ - ulint innodb_system_rows_read; /*!< srv_n_system_rows_read */ - ulint innodb_system_rows_inserted; /*!< srv_n_system_rows_inserted */ - ulint innodb_system_rows_updated; /*!< srv_n_system_rows_updated */ - ulint innodb_system_rows_deleted; /*!< srv_n_system_rows_deleted*/ - ulint innodb_num_open_files; /*!< fil_n_file_opened */ - ulint innodb_truncated_status_writes; /*!< srv_truncated_status_writes */ - ulint innodb_available_undo_logs; /*!< srv_available_undo_logs */ - ulint innodb_read_views_memory; /*!< srv_read_views_memory */ - ulint innodb_descriptors_memory; /*!< srv_descriptors_memory */ - ib_int64_t innodb_s_lock_os_waits; - ib_int64_t innodb_s_lock_spin_rounds; - ib_int64_t innodb_s_lock_spin_waits; - ib_int64_t innodb_x_lock_os_waits; - ib_int64_t innodb_x_lock_spin_rounds; - ib_int64_t innodb_x_lock_spin_waits; - - ulint innodb_defragment_compression_failures; /*!< Number of - defragment re-compression - failures */ - - ulint innodb_defragment_failures; /*!< Number of defragment - failures*/ - ulint innodb_defragment_count; /*!< Number of defragment - operations*/ - - ulint innodb_onlineddl_rowlog_rows; /*!< Online alter rows */ - ulint innodb_onlineddl_rowlog_pct_used; /*!< Online alter percentage - of used row log buffer */ - ulint innodb_onlineddl_pct_progress; /*!< Online alter progress - */ - -#ifdef UNIV_DEBUG - ulint innodb_purge_trx_id_age; /*!< rw_max_trx_id - purged trx_id */ - ulint innodb_purge_view_trx_id_age; /*!< rw_max_trx_id - - purged view's min trx_id */ -#endif /* UNIV_DEBUG */ - ulint innodb_column_compressed; /*!< srv_column_compressed */ - ulint innodb_column_decompressed; /*!< srv_column_decompressed */ - - ib_int64_t innodb_page_compression_saved;/*!< Number of bytes saved - by page compression */ - ib_int64_t innodb_page_compression_trim_sect512;/*!< Number of 512b TRIM - by page compression */ - ib_int64_t innodb_page_compression_trim_sect1024;/*!< Number of 1K TRIM - by page compression */ - ib_int64_t innodb_page_compression_trim_sect2048;/*!< Number of 2K TRIM - by page compression */ - ib_int64_t innodb_page_compression_trim_sect4096;/*!< Number of 4K byte TRIM - by page compression */ - ib_int64_t innodb_page_compression_trim_sect8192;/*!< Number of 8K TRIM - by page compression */ - ib_int64_t innodb_page_compression_trim_sect16384;/*!< Number of 16K TRIM - by page compression */ - ib_int64_t innodb_page_compression_trim_sect32768;/*!< Number of 32K TRIM - by page compression */ - ib_int64_t innodb_index_pages_written; /*!< Number of index pages - written */ - ib_int64_t innodb_non_index_pages_written; /*!< Number of non index pages - written */ - ib_int64_t innodb_pages_page_compressed;/*!< Number of pages - compressed by page compression */ - ib_int64_t innodb_page_compressed_trim_op;/*!< Number of TRIM operations - induced by page compression */ - ib_int64_t innodb_page_compressed_trim_op_saved;/*!< Number of TRIM operations - saved by page compression */ - ib_int64_t innodb_pages_page_decompressed;/*!< Number of pages - decompressed by page - compression */ - ib_int64_t innodb_pages_page_compression_error;/*!< Number of page - compression errors */ - ib_int64_t innodb_pages_encrypted; /*!< Number of pages - encrypted */ - ib_int64_t innodb_pages_decrypted; /*!< Number of pages - decrypted */ - - ulint innodb_sec_rec_cluster_reads; /*!< srv_sec_rec_cluster_reads */ - ulint innodb_sec_rec_cluster_reads_avoided;/*!< srv_sec_rec_cluster_reads_avoided */ - - ulint innodb_encryption_rotation_pages_read_from_cache; - ulint innodb_encryption_rotation_pages_read_from_disk; - ulint innodb_encryption_rotation_pages_modified; - ulint innodb_encryption_rotation_pages_flushed; - ulint innodb_encryption_rotation_estimated_iops; - ib_int64_t innodb_encryption_key_requests; - ib_int64_t innodb_key_rotation_list_length; - - ulint innodb_scrub_page_reorganizations; - ulint innodb_scrub_page_splits; - ulint innodb_scrub_page_split_failures_underflow; - ulint innodb_scrub_page_split_failures_out_of_filespace; - ulint innodb_scrub_page_split_failures_missing_index; - ulint innodb_scrub_page_split_failures_unknown; -}; - -/** Thread slot in the thread table. */ -struct srv_slot_t{ - srv_thread_type type; /*!< thread type: user, - utility etc. */ - ibool in_use; /*!< TRUE if this slot - is in use */ - ibool suspended; /*!< TRUE if the thread is - waiting for the event of this - slot */ - ib_time_t suspend_time; /*!< time when the thread was - suspended. Initialized by - lock_wait_table_reserve_slot() - for lock wait */ - ulong wait_timeout; /*!< wait time that if exceeded - the thread will be timed out. - Initialized by - lock_wait_table_reserve_slot() - for lock wait */ - os_event_t event; /*!< event used in suspending - the thread when it has nothing - to do */ - que_thr_t* thr; /*!< suspended query thread - (only used for user threads) */ -}; - -#else /* !UNIV_HOTBACKUP */ -# define srv_use_adaptive_hash_indexes FALSE -# define srv_use_native_aio FALSE -# define srv_numa_interleave FALSE -# define srv_force_recovery 0UL -# define srv_set_io_thread_op_info(t,info) ((void) 0) -# define srv_reset_io_thread_op_info() ((void) 0) -# define srv_is_being_started 0 -# define srv_win_file_flush_method SRV_WIN_IO_UNBUFFERED -# define srv_unix_file_flush_method SRV_UNIX_O_DSYNC -# define srv_start_raw_disk_in_use 0 -# define srv_file_per_table 1 -#endif /* !UNIV_HOTBACKUP */ - -#ifdef WITH_WSREP -UNIV_INTERN -void -wsrep_srv_conc_cancel_wait( -/*==================*/ - trx_t* trx); /*!< in: transaction object associated with the - thread */ -#endif /* WITH_WSREP */ - -#ifndef DBUG_OFF -/** false before InnoDB monitor has been printed at least once, true -afterwards */ -extern bool srv_debug_monitor_printed; -#else -#define srv_debug_monitor_printed false -#endif - -#endif |