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/*-
* Public Domain 2014-2015 MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Configuration for the wts program is an array of string-based parameters.
* This is the structure used to declare them.
*/
typedef struct {
const char *name; /* Configuration item */
const char *desc; /* Configuration description */
/* Value is a boolean, yes if roll of 1-to-100 is <= CONFIG->min. */
#define C_BOOL 0x001
/* Not a simple randomization, handle outside the main loop. */
#define C_IGNORE 0x002
/* Value was set from command-line or file, ignore for all runs. */
#define C_PERM 0x004
/* Value isn't random for this run, ignore just for this run. */
#define C_TEMP 0x008
/* Value is a string. */
#define C_STRING 0x020
u_int flags;
uint32_t min; /* Minimum value */
uint32_t maxrand; /* Maximum value randomly chosen */
uint32_t maxset; /* Maximum value explicitly set */
uint32_t *v; /* Value for this run */
char **vstr; /* Value for string options */
} CONFIG;
/*
* Get a random value between a config min/max pair (inclusive for both min
* and max).
*/
#define CONF_RAND(cp) MMRAND((cp)->min, (cp)->maxrand)
static CONFIG c[] = {
{ "abort",
"if timed run should drop core", /* 0% */
C_BOOL, 0, 0, 0, &g.c_abort, NULL },
{ "auto_throttle",
"if LSM inserts are throttled", /* 90% */
C_BOOL, 90, 0, 0, &g.c_auto_throttle, NULL },
{ "firstfit",
"if allocation is firstfit", /* 10% */
C_BOOL, 10, 0, 0, &g.c_firstfit, NULL },
{ "bitcnt",
"number of bits for fixed-length column-store files",
0x0, 1, 8, 8, &g.c_bitcnt, NULL },
{ "bloom",
"if bloom filters are configured", /* 95% */
C_BOOL, 95, 0, 0, &g.c_bloom, NULL },
{ "bloom_bit_count",
"number of bits per item for LSM bloom filters",
0x0, 4, 64, 1000, &g.c_bloom_bit_count, NULL },
{ "bloom_hash_count",
"number of hash values per item for LSM bloom filters",
0x0, 4, 32, 100, &g.c_bloom_hash_count, NULL },
{ "bloom_oldest",
"if bloom_oldest=true", /* 10% */
C_BOOL, 10, 0, 0, &g.c_bloom_oldest, NULL },
{ "cache",
"size of the cache in MB",
0x0, 1, 100, 100 * 1024, &g.c_cache, NULL },
{ "checkpoints",
"if periodic checkpoints are done", /* 95% */
C_BOOL, 95, 0, 0, &g.c_checkpoints, NULL },
{ "checksum",
"type of checksums (on | off | uncompressed)",
C_IGNORE|C_STRING, 1, 3, 3, NULL, &g.c_checksum },
{ "chunk_size",
"LSM chunk size in MB",
0x0, 1, 10, 100, &g.c_chunk_size, NULL },
{ "compaction",
"if compaction is running", /* 10% */
C_BOOL, 10, 0, 0, &g.c_compact, NULL },
{ "compression",
"type of compression "
"(none | bzip | bzip-raw | lzo | snappy | zlib | zlib-noraw)",
C_IGNORE|C_STRING, 1, 5, 5, NULL, &g.c_compression },
{ "data_extend",
"if data files are extended", /* 5% */
C_BOOL, 5, 0, 0, &g.c_data_extend, NULL },
{ "data_source",
"data source (file | helium | kvsbdb | lsm | table)",
C_IGNORE | C_STRING, 0, 0, 0, NULL, &g.c_data_source },
{ "delete_pct",
"percent operations that are deletes",
0x0, 0, 45, 90, &g.c_delete_pct, NULL },
{ "dictionary",
"if values are dictionary compressed", /* 20% */
C_BOOL, 20, 0, 0, &g.c_dictionary, NULL },
{ "evict_max",
"the maximum number of eviction workers",
0x0, 0, 5, 100, &g.c_evict_max, NULL },
{ "file_type",
"type of store to create (fix | var | row)",
C_IGNORE|C_STRING, 1, 3, 3, NULL, &g.c_file_type },
{ "backups",
"if backups are enabled", /* 5% */
C_BOOL, 5, 0, 0, &g.c_backups, NULL },
{ "huffman_key",
"if keys are huffman encoded", /* 20% */
C_BOOL, 20, 0, 0, &g.c_huffman_key, NULL },
{ "huffman_value",
"if values are huffman encoded", /* 20% */
C_BOOL, 20, 0, 0, &g.c_huffman_value, NULL },
{ "insert_pct",
"percent operations that are inserts",
0x0, 0, 45, 90, &g.c_insert_pct, NULL },
{ "internal_key_truncation",
"if internal keys are truncated", /* 95% */
C_BOOL, 95, 0, 0, &g.c_internal_key_truncation, NULL },
{ "internal_page_max",
"maximum size of Btree internal nodes",
0x0, 9, 17, 27, &g.c_intl_page_max, NULL },
{ "isolation",
"isolation level "
"(random | read-uncommitted | read-committed | snapshot)",
C_IGNORE|C_STRING, 1, 4, 4, NULL, &g.c_isolation },
{ "key_gap",
"gap between instantiated keys on a Btree page",
0x0, 0, 20, 20, &g.c_key_gap, NULL },
{ "key_max",
"maximum size of keys",
0x0, 20, 128, MEGABYTE(10), &g.c_key_max, NULL },
{ "key_min",
"minimum size of keys",
0x0, 10, 32, 256, &g.c_key_min, NULL },
{ "leak_memory",
"if memory should be leaked on close",
C_BOOL, 0, 0, 0, &g.c_leak_memory, NULL },
{ "leaf_page_max",
"maximum size of Btree leaf nodes",
0x0, 9, 17, 27, &g.c_leaf_page_max, NULL },
{ "logging",
"if logging configured", /* 30% */
C_BOOL, 30, 0, 0, &g.c_logging, NULL },
{ "logging_archive",
"if log file archival configured", /* 50% */
C_BOOL, 50, 0, 0, &g.c_logging_archive, NULL },
{ "logging_prealloc",
"if log file pre-allocation configured", /* 50% */
C_BOOL, 50, 0, 0, &g.c_logging_prealloc, NULL },
{ "lsm_worker_threads",
"the number of LSM worker threads",
0x0, 3, 4, 20, &g.c_lsm_worker_threads, NULL },
{ "merge_max",
"the maximum number of chunks to include in a merge operation",
0x0, 4, 20, 100, &g.c_merge_max, NULL },
{ "mmap",
"configure for mmap operations", /* 90% */
C_BOOL, 90, 0, 0, &g.c_mmap, NULL },
{ "ops",
"the number of modification operations done per run",
0x0, 0, M(2), M(100), &g.c_ops, NULL },
{ "prefix_compression",
"if keys are prefix compressed", /* 80% */
C_BOOL, 80, 0, 0, &g.c_prefix_compression, NULL },
{ "prefix_compression_min",
"minimum gain before prefix compression is used",
0x0, 0, 8, 256, &g.c_prefix_compression_min, NULL },
{ "repeat_data_pct",
"percent duplicate values in row- or var-length column-stores",
0x0, 0, 90, 90, &g.c_repeat_data_pct, NULL },
{ "reverse",
"collate in reverse order", /* 10% */
C_BOOL, 10, 0, 0, &g.c_reverse, NULL },
{ "rows",
"the number of rows to create",
0x0, 10, M(1), M(100), &g.c_rows, NULL },
{ "runs",
"the number of runs",
C_IGNORE, 0, UINT_MAX, UINT_MAX, &g.c_runs, NULL },
{ "split_pct",
"page split size as a percentage of the maximum page size",
0x0, 40, 85, 85, &g.c_split_pct, NULL },
{ "statistics",
"maintain statistics", /* 20% */
C_BOOL, 20, 0, 0, &g.c_statistics, NULL },
{ "statistics_server",
"run the statistics server thread", /* 5% */
C_BOOL, 5, 0, 0, &g.c_statistics_server, NULL },
{ "threads",
"the number of threads",
C_IGNORE, 1, 32, 128, &g.c_threads, NULL },
{ "timer",
"maximum time to run in minutes (default 20 minutes)",
C_IGNORE, 0, UINT_MAX, UINT_MAX, &g.c_timer, NULL },
{ "value_max",
"maximum size of values",
0x0, 32, 4096, MEGABYTE(10), &g.c_value_max, NULL },
{ "value_min",
"minimum size of values",
0x0, 0, 20, 4096, &g.c_value_min, NULL },
{ "wiredtiger_config",
"configuration string used to wiredtiger_open",
C_IGNORE|C_STRING, 0, 0, 0, NULL, &g.c_config_open },
{ "write_pct",
"percent operations that are writes",
0x0, 0, 90, 90, &g.c_write_pct, NULL },
{ NULL, NULL, 0x0, 0, 0, 0, NULL, NULL }
};
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