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/*-
* Public Domain 2008-2013 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 */
#define C_FIX 0x01 /* File types */
#define C_VAR 0x02
#define C_ROW 0x04
uint8_t type_mask; /* File type mask */
/* 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
/* Operation, only set if doing operations. */
#define C_OPS 0x004
/* Value was set from command-line or file, ignore for all runs. */
#define C_PERM 0x008
/* Value isn't random for this run, ignore just for this run. */
#define C_TEMP 0x010
/* Value is a string. */
#define C_STRING 0x020
uint32_t flags;
uint32_t min; /* Minimum value */
uint32_t max; /* Maximum value */
u_int *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)->max)
static CONFIG c[] = {
{ "bitcnt",
"number of bits for fixed-length column-store files",
C_FIX, 0, 1, 8, &g.c_bitcnt, NULL },
{ "cache",
"size of the cache in MB",
0, 0, 1, 100, &g.c_cache, NULL },
{ "compression",
"type of compression (none | bzip | lzo | raw | snappy)",
0, C_IGNORE|C_STRING, 1, 5, NULL, &g.c_compression },
{ "data_source",
"type of data source to create (file | kvs | lsm | table)",
0, C_IGNORE | C_STRING, 0, 0, NULL, &g.c_data_source },
{ "delete_pct",
"percent operations that are deletes",
0, C_OPS, 0, 45, &g.c_delete_pct, NULL },
{ "dictionary",
"if values are dictionary compressed", /* 20% */
C_ROW | C_VAR, C_BOOL, 20, 0, &g.c_dictionary, NULL },
{ "file_type",
"type of file to create (fix | var | row)",
0, C_IGNORE|C_STRING, 1, 3, NULL, &g.c_file_type },
{ "huffman_key",
"if keys are huffman encoded", /* 20% */
C_ROW, C_BOOL, 20, 0, &g.c_huffman_key, NULL },
{ "huffman_value",
"if values are huffman encoded", /* 20% */
C_ROW|C_VAR, C_BOOL, 20, 0, &g.c_huffman_value, NULL },
{ "insert_pct",
"percent operations that are inserts",
0, C_OPS, 0, 45, &g.c_insert_pct, NULL },
{ "internal_key_truncation",
"if values are huffman encoded", /* 2% */
0, C_BOOL, 2, 0, &g.c_internal_key_truncation, NULL },
{ "internal_page_max",
"maximum size of Btree internal nodes",
0, 0, 9, 17, &g.c_intl_page_max, NULL },
{ "key_gap",
"gap between instantiated keys on a Btree page",
0, 0, 0, 20, &g.c_key_gap, NULL },
{ "key_max",
"maximum size of keys",
C_ROW, 0, 64, 128, &g.c_key_max, NULL },
{ "key_min",
"minimum size of keys",
C_ROW, 0, 10, 32, &g.c_key_min, NULL },
{ "leaf_page_max",
"maximum size of Btree leaf nodes",
0, 0, 9, 24, &g.c_leaf_page_max, NULL },
{ "ops",
"the number of modification operations done per run",
0, 0, 0, M(2), &g.c_ops, NULL },
{ "prefix",
"if keys are prefix compressed", /* 80% */
C_ROW, C_BOOL, 80, 0, &g.c_prefix, NULL },
{ "repeat_data_pct",
"percent duplicate values in row- or variable-length column-stores",
C_ROW|C_VAR, 0, 0, 90, &g.c_repeat_data_pct, NULL },
{ "reverse",
"collate in reverse order", /* 10% */
0, C_BOOL, 10, 0, &g.c_reverse, NULL },
{ "rows",
"the number of rows to create",
0, 0, 10, M(1), &g.c_rows, NULL },
{ "runs",
"the number of runs",
0, C_IGNORE, 0, UINT_MAX, &g.c_runs, NULL },
{ "split_pct",
"Btree page split size as a percentage of the maximum page size",
0, 0, 40, 85, &g.c_split_pct, NULL },
{ "threads",
"the number of threads",
0, C_IGNORE, 1, 32, &g.c_threads, NULL },
{ "value_max",
"maximum size of values",
C_ROW|C_VAR, 0, 32, 4096, &g.c_value_max, NULL },
{ "value_min",
"minimum size of values",
C_ROW|C_VAR, 0, 1, 20, &g.c_value_min, NULL },
{ "wiredtiger_config",
"configuration string used to wiredtiger_open",
0, C_IGNORE|C_STRING, 0, 0, NULL, &g.c_config_open },
{ "write_pct",
"percent operations that are writes",
0, C_OPS, 0, 90, &g.c_write_pct, NULL },
{ NULL, NULL, 0, 0, 0, 0, NULL, NULL }
};
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