| FLUSH_TIME |
NULL
|
0 |
COMPILE-TIME |
0 |
GLOBAL |
INT UNSIGNED |
A dedicated thread is created to flush all tables ... |
0 |
31536000 |
1 |
NULL
|
NO |
REQUIRED |
| INNODB_BUF_DUMP_STATUS_FREQUENCY |
NULL
|
0 |
COMPILE-TIME |
0 |
GLOBAL |
INT UNSIGNED |
A number between [0, 100] that tells how oftern bu... |
0 |
100 |
0 |
NULL
|
NO |
REQUIRED |
| INNODB_DEFRAGMENT_FILL_FACTOR |
NULL
|
0.900000 |
COMPILE-TIME |
0.900000 |
GLOBAL |
DOUBLE |
A number between [0.7, 1] that tells defragmentati... |
0.7 |
1 |
NULL
|
NULL
|
NO |
REQUIRED |
| MAX_STATEMENT_TIME |
0.000000 |
0.000000 |
COMPILE-TIME |
0.000000 |
SESSION |
DOUBLE |
A query that has taken more than max_statement_tim... |
0 |
31536000 |
NULL
|
NULL
|
NO |
REQUIRED |
| INNODB_BUFFER_POOL_LOAD_ABORT |
NULL
|
OFF |
COMPILE-TIME |
OFF |
GLOBAL |
BOOLEAN |
Abort a currently running load of the buffer pool |
NULL
|
NULL
|
NULL
|
OFF,ON |
NO |
REQUIRED |
| DELAYED_INSERT_LIMIT |
NULL
|
100 |
COMPILE-TIME |
100 |
GLOBAL |
INT UNSIGNED |
After inserting delayed_insert_limit rows, the INS... |
1 |
4294967295 |
1 |
NULL
|
NO |
REQUIRED |
| MAX_WRITE_LOCK_COUNT |
NULL
|
4294967295 |
COMPILE-TIME |
4294967295 |
GLOBAL |
INT UNSIGNED |
After this many write locks, allow some read locks... |
1 |
4294967295 |
1 |
NULL
|
NO |
REQUIRED |
| STORAGE_ENGINE |
InnoDB |
InnoDB |
COMPILE-TIME |
InnoDB |
SESSION |
VARCHAR |
Alias for @@default_storage_engine. Deprecated |
NULL
|
NULL
|
NULL
|
NULL
|
NO |
NULL
|
| OLD_ALTER_TABLE |
DEFAULT |
DEFAULT |
COMPILE-TIME |
DEFAULT |
SESSION |
ENUM |
Alias for alter_algorithm. Deprecated. Use --alter... |
NULL
|
NULL
|
NULL
|
DEFAULT,COPY,INPLACE,NOCOPY,INSTANT |
NO |
OPTIONAL |
| SLAVE_PARALLEL_WORKERS |
NULL
|
0 |
COMPILE-TIME |
0 |
GLOBAL |
INT UNSIGNED |
Alias for slave_parallel_threads |
0 |
16383 |
1 |
NULL
|
NO |
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 |
| QUERY_ALLOC_BLOCK_SIZE |
16384 |
16384 |
COMPILE-TIME |
16384 |
SESSION |
INT UNSIGNED |
Allocation block size for query parsing and execut... |
1024 |
4294967295 |
1024 |
NULL
|
NO |
REQUIRED |
| RANGE_ALLOC_BLOCK_SIZE |
4096 |
4096 |
COMPILE-TIME |
4096 |
SESSION |
INT UNSIGNED |
Allocation block size for storing ranges during op... |
4096 |
4294967295 |
1024 |
NULL
|
NO |
REQUIRED |
| TRANSACTION_ALLOC_BLOCK_SIZE |
8192 |
8192 |
COMPILE-TIME |
8192 |
SESSION |
INT UNSIGNED |
Allocation block size for transactions to be store... |
1024 |
134217728 |
1024 |
NULL
|
NO |
REQUIRED |
| INNODB_FLUSH_SYNC |
NULL
|
ON |
COMPILE-TIME |
ON |
GLOBAL |
BOOLEAN |
Allow IO bursts at the checkpoints ignoring io_cap... |
NULL
|
NULL
|
NULL
|
OFF,ON |
NO |
NONE |
| STANDARD_COMPLIANT_CTE |
ON |
ON |
COMPILE-TIME |
ON |
SESSION |
BOOLEAN |
Allow only CTEs compliant to SQL standard |
NULL
|
NULL
|
NULL
|
OFF,ON |
NO |
OPTIONAL |
| 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 |
| INNODB_ADAPTIVE_FLUSHING |
NULL
|
ON |
COMPILE-TIME |
ON |
GLOBAL |
BOOLEAN |
Attempt flushing dirty pages to avoid IO bursts at... |
NULL
|
NULL
|
NULL
|
OFF,ON |
NO |
NONE |
| AUTO_INCREMENT_INCREMENT |
1 |
1 |
COMPILE-TIME |
1 |
SESSION |
INT UNSIGNED |
Auto-increment columns are incremented by this |
1 |
65535 |
1 |
NULL
|
NO |
OPTIONAL |
| INNODB_SCRUB_LOG_SPEED |
NULL
|
256 |
COMPILE-TIME |
256 |
GLOBAL |
BIGINT UNSIGNED |
Background redo log scrubbing speed in bytes/sec |
1 |
50000 |
0 |
NULL
|
NO |
OPTIONAL |
| MAX_BINLOG_SIZE |
NULL
|
1073741824 |
COMPILE-TIME |
1073741824 |
GLOBAL |
INT UNSIGNED |
Binary log will be rotated automatically when the ... |
4096 |
1073741824 |
4096 |
NULL
|
NO |
REQUIRED |
| ARIA_BLOCK_SIZE |
NULL
|
8192 |
COMPILE-TIME |
8192 |
GLOBAL |
INT UNSIGNED |
Block size to be used for Aria index pages. |
4096 |
32768 |
1024 |
NULL
|
YES |
REQUIRED |
| MYISAM_BLOCK_SIZE |
NULL
|
1024 |
COMPILE-TIME |
1024 |
GLOBAL |
INT UNSIGNED |
Block size to be used for MyISAM index pages |
1024 |
16384 |
1024 |
NULL
|
YES |
REQUIRED |
| INNODB_CHANGE_BUFFERING |
NULL
|
all |
COMPILE-TIME |
all |
GLOBAL |
ENUM |
Buffer changes to secondary indexes. |
NULL
|
NULL
|
NULL
|
none,inserts,deletes,changes,purges,all |
NO |
REQUIRED |
| NET_BUFFER_LENGTH |
8192 |
8192 |
CONFIG |
16384 |
SESSION |
INT UNSIGNED |
Buffer length for TCP/IP and socket communication |
1024 |
1048576 |
1024 |
NULL
|
NO |
REQUIRED |