| INSERT_ID |
0 |
NULL
|
COMPILE-TIME |
0 |
SESSION ONLY |
BIGINT UNSIGNED |
The value to be used by the following INSERT or AL... |
0 |
18446744073709551615 |
1 |
NULL
|
NO |
NULL
|
| INNODB_STATS_TRANSIENT_SAMPLE_PAGES |
NULL
|
8 |
COMPILE-TIME |
8 |
GLOBAL |
BIGINT UNSIGNED |
The number of leaf index pages to sample when calc... |
1 |
18446744073709551615 |
0 |
NULL
|
NO |
REQUIRED |
| TMP_MEMORY_TABLE_SIZE |
16777216 |
16777216 |
COMPILE-TIME |
16777216 |
SESSION |
BIGINT UNSIGNED |
If an internal in-memory temporary table exceeds t... |
1024 |
18446744073709551615 |
1 |
NULL
|
NO |
REQUIRED |
| BINLOG_FILE_CACHE_SIZE |
NULL
|
16384 |
COMPILE-TIME |
16384 |
GLOBAL |
BIGINT UNSIGNED |
The size of file cache for the binary log |
8192 |
18446744073709551615 |
4096 |
NULL
|
NO |
REQUIRED |
| BINLOG_STMT_CACHE_SIZE |
NULL
|
32768 |
COMPILE-TIME |
32768 |
GLOBAL |
BIGINT UNSIGNED |
The size of the statement cache for updates to non... |
4096 |
18446744073709551615 |
4096 |
NULL
|
NO |
REQUIRED |
| MYISAM_MMAP_SIZE |
NULL
|
18446744073709551615 |
COMPILE-TIME |
18446744073709551615 |
GLOBAL |
BIGINT UNSIGNED |
Restricts the total memory used for memory mapping... |
7 |
18446744073709551615 |
1 |
NULL
|
YES |
REQUIRED |
| TMP_TABLE_SIZE |
16777216 |
16777216 |
COMPILE-TIME |
16777216 |
SESSION |
BIGINT UNSIGNED |
Alias for tmp_memory_table_size. If an internal in... |
1024 |
18446744073709551615 |
1 |
NULL
|
NO |
REQUIRED |
| KEY_CACHE_BLOCK_SIZE |
NULL
|
1024 |
COMPILE-TIME |
1024 |
GLOBAL |
BIGINT UNSIGNED |
The default size of key cache blocks |
512 |
16384 |
512 |
NULL
|
NO |
REQUIRED |
| JOIN_BUFFER_SIZE |
262144 |
262144 |
COMPILE-TIME |
262144 |
SESSION |
BIGINT UNSIGNED |
The size of the buffer that is used for joins |
128 |
18446744073709551615 |
128 |
NULL
|
NO |
REQUIRED |
| WARNING_COUNT |
0 |
NULL
|
COMPILE-TIME |
NULL
|
SESSION ONLY |
BIGINT UNSIGNED |
The number of errors, warnings, and notes that res... |
0 |
18446744073709551615 |
1 |
NULL
|
YES |
NULL
|
| SORT_BUFFER_SIZE |
524288 |
524288 |
CONFIG |
2097152 |
SESSION |
BIGINT UNSIGNED |
Each thread that needs to do a sort allocates a bu... |
1024 |
18446744073709551615 |
1 |
NULL
|
NO |
REQUIRED |
| JOIN_BUFFER_SPACE_LIMIT |
2097152 |
2097152 |
COMPILE-TIME |
2097152 |
SESSION |
BIGINT UNSIGNED |
The limit of the space for all join buffers used b... |
2048 |
18446744073709551615 |
2048 |
NULL
|
NO |
REQUIRED |
| RAND_SEED1 |
41587508 |
NULL
|
COMPILE-TIME |
0 |
SESSION ONLY |
BIGINT UNSIGNED |
Sets the internal state of the RAND() generator fo... |
0 |
4294967295 |
1 |
NULL
|
NO |
NULL
|
| BULK_INSERT_BUFFER_SIZE |
8388608 |
8388608 |
COMPILE-TIME |
8388608 |
SESSION |
BIGINT UNSIGNED |
Size of tree cache used in bulk insert optimisatio... |
0 |
18446744073709551615 |
1 |
NULL
|
NO |
REQUIRED |
| PSEUDO_THREAD_ID |
3166495 |
NULL
|
COMPILE-TIME |
0 |
SESSION ONLY |
BIGINT UNSIGNED |
This variable is for internal server use |
0 |
18446744073709551615 |
1 |
NULL
|
NO |
NULL
|
| MAX_HEAP_TABLE_SIZE |
16777216 |
16777216 |
COMPILE-TIME |
16777216 |
SESSION |
BIGINT UNSIGNED |
Don't allow creation of heap tables bigger than th... |
16384 |
18446744073709551615 |
1024 |
NULL
|
NO |
REQUIRED |
| KEY_CACHE_DIVISION_LIMIT |
NULL
|
100 |
COMPILE-TIME |
100 |
GLOBAL |
BIGINT UNSIGNED |
The minimum percentage of warm blocks in key cache |
1 |
100 |
1 |
NULL
|
NO |
REQUIRED |
| MAX_BINLOG_CACHE_SIZE |
NULL
|
18446744073709547520 |
COMPILE-TIME |
18446744073709547520 |
GLOBAL |
BIGINT UNSIGNED |
Sets the total size of the transactional cache |
4096 |
18446744073709551615 |
4096 |
NULL
|
NO |
REQUIRED |
| MAX_SESSION_MEM_USED |
9223372036854775807 |
9223372036854775807 |
COMPILE-TIME |
9223372036854775807 |
SESSION |
BIGINT UNSIGNED |
Amount of memory a single user session is allowed ... |
8192 |
18446744073709551615 |
1 |
NULL
|
NO |
REQUIRED |
| KEY_BUFFER_SIZE |
NULL
|
16777216 |
CONFIG |
134217728 |
GLOBAL |
BIGINT UNSIGNED |
The size of the buffer used for index blocks for M... |
0 |
18446744073709551615 |
4096 |
NULL
|
NO |
REQUIRED |
| INNODB_MAX_UNDO_LOG_SIZE |
NULL
|
10485760 |
COMPILE-TIME |
10485760 |
GLOBAL |
BIGINT UNSIGNED |
Desired maximum UNDO tablespace size in bytes |
10485760 |
281474976710656 |
0 |
NULL
|
NO |
OPTIONAL |
| MAX_ROWID_FILTER_SIZE |
131072 |
131072 |
COMPILE-TIME |
131072 |
SESSION |
BIGINT UNSIGNED |
The maximum size of the container of a rowid filte... |
1024 |
18446744073709551615 |
1 |
NULL
|
NO |
REQUIRED |
| QUERY_CACHE_SIZE |
NULL
|
1048576 |
COMPILE-TIME |
1048576 |
GLOBAL |
BIGINT UNSIGNED |
The memory allocated to store results from old que... |
0 |
4294967295 |
1024 |
NULL
|
NO |
REQUIRED |
| INNODB_STATS_SAMPLE_PAGES |
NULL
|
8 |
COMPILE-TIME |
8 |
GLOBAL |
BIGINT UNSIGNED |
Deprecated, use innodb_stats_transient_sample_page... |
1 |
18446744073709551615 |
0 |
NULL
|
NO |
REQUIRED |
| MAX_BINLOG_STMT_CACHE_SIZE |
NULL
|
18446744073709547520 |
COMPILE-TIME |
18446744073709547520 |
GLOBAL |
BIGINT UNSIGNED |
Sets the total size of the statement cache |
4096 |
18446744073709551615 |
4096 |
NULL
|
NO |
REQUIRED |