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Server: 127.0.0.1 »Database: information_schema »View: SYSTEM_VARIABLES
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SELECT * FROM `SYSTEM_VARIABLES`
VARIABLE_NAME SESSION_VALUE GLOBAL_VALUE GLOBAL_VALUE_ORIGIN DEFAULT_VALUE VARIABLE_SCOPE VARIABLE_TYPE VARIABLE_COMMENT NUMERIC_MIN_VALUE NUMERIC_MAX_VALUE NUMERIC_BLOCK_SIZE ENUM_VALUE_LIST READ_ONLY COMMAND_LINE_ARGUMENT
INNODB_LOG_CHECKSUM_ALGORITHM NULLINNODB COMPILE-TIME INNODB GLOBAL ENUM The algorithm InnoDB uses for log block checksums.... NULLNULLNULLCRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRIC... NO REQUIRED
HAVE_RTREE_KEYS NULLYES COMPILE-TIME NULLGLOBAL VARCHAR have_rtree_keys NULLNULLNULLNULLYES NULL
SQL_MODE NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION COMPILE-TIME NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION SESSION SET Sets the sql mode NULLNULLNULLREAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_S... NO REQUIRED
PERFORMANCE_SCHEMA_EVENTS_WAITS_HISTORY_LONG_SIZE NULL-1 COMPILE-TIME -1 GLOBAL INT Number of rows in EVENTS_WAITS_HISTORY_LONG. Use 0... -1 1048576 1 NULLYES REQUIRED
INNODB_BUFFER_POOL_SIZE NULL16777216 CONFIG 134217728 GLOBAL BIGINT The size of the memory buffer InnoDB uses to cache... 5242880 9223372036854775807 1048576 NULLYES REQUIRED
PERFORMANCE_SCHEMA_MAX_COND_CLASSES NULL80 COMPILE-TIME 80 GLOBAL INT UNSIGNED Maximum number of condition instruments. 0 256 1 NULLYES REQUIRED
INNODB_FT_TOTAL_CACHE_SIZE NULL640000000 COMPILE-TIME 640000000 GLOBAL INT UNSIGNED Total memory allocated for InnoDB Fulltext Search ... 32000000 1600000000 0 NULLYES REQUIRED
PERFORMANCE_SCHEMA_MAX_COND_INSTANCES NULL-1 COMPILE-TIME -1 GLOBAL INT Maximum number of instrumented condition objects. ... -1 1048576 1 NULLYES REQUIRED
INNODB_LOG_FILE_SIZE NULL5242880 CONFIG 50331648 GLOBAL BIGINT Size of each log file in a log group. 1048576 9223372036854775807 1048576 NULLYES REQUIRED
PERFORMANCE_SCHEMA_MAX_RWLOCK_CLASSES NULL40 COMPILE-TIME 40 GLOBAL INT UNSIGNED Maximum number of rwlock instruments. 0 256 1 NULLYES REQUIRED
INNODB_FLUSH_LOG_AT_TIMEOUT NULL1 COMPILE-TIME 1 GLOBAL INT UNSIGNED Write and flush logs every (n) second. 0 2700 0 NULLNO OPTIONAL
BIG_TABLES OFF OFF COMPILE-TIME OFF SESSION BOOLEAN Allow big result sets by saving all temporary sets... NULLNULLNULLOFF,ON NO OPTIONAL
SSL_CAPATH NULLCOMPILE-TIME GLOBAL VARCHAR CA directory (check OpenSSL docs, implies --ssl) NULLNULLNULLNULLYES REQUIRED
INNODB_LOCKS_UNSAFE_FOR_BINLOG NULLOFF COMPILE-TIME OFF GLOBAL BOOLEAN DEPRECATED. This option may be removed in future r... NULLNULLNULLOFF,ON YES NONE
PERFORMANCE_SCHEMA_MAX_SOCKET_CLASSES NULL10 COMPILE-TIME 10 GLOBAL INT UNSIGNED Maximum number of socket instruments. 0 256 1 NULLYES REQUIRED
PERFORMANCE_SCHEMA_MAX_MUTEX_INSTANCES NULL-1 COMPILE-TIME -1 GLOBAL INT Maximum number of instrumented MUTEX objects. Use ... -1 104857600 1 NULLYES REQUIRED
RELAY_LOG_PURGE NULLON COMPILE-TIME ON GLOBAL BOOLEAN if disabled - do not purge relay logs. if enabled ... NULLNULLNULLOFF,ON NO OPTIONAL
PERFORMANCE_SCHEMA_MAX_RWLOCK_INSTANCES NULL-1 COMPILE-TIME -1 GLOBAL INT Maximum number of instrumented RWLOCK objects. Use... -1 104857600 1 NULLYES REQUIRED
INNODB_CLEANER_LSN_AGE_FACTOR NULLHIGH_CHECKPOINT COMPILE-TIME HIGH_CHECKPOINT GLOBAL ENUM The formula for LSN age factor for page cleaner ad... NULLNULLNULLLEGACY,HIGH_CHECKPOINT NO OPTIONAL
PERFORMANCE_SCHEMA_MAX_MUTEX_CLASSES NULL200 COMPILE-TIME 200 GLOBAL INT UNSIGNED Maximum number of mutex instruments. 0 256 1 NULLYES REQUIRED
INNODB_STATS_TRANSIENT_SAMPLE_PAGES NULL8 COMPILE-TIME 8 GLOBAL BIGINT UNSIGNED The number of leaf index pages to sample when calc... 1 18446744073709551615 0 NULLNO REQUIRED
EXTRA_MAX_CONNECTIONS NULL1 COMPILE-TIME 1 GLOBAL INT UNSIGNED The number of connections on extra-port 1 100000 1 NULLNO REQUIRED
SLOW_LAUNCH_TIME NULL2 COMPILE-TIME 2 GLOBAL INT UNSIGNED If creating the thread takes longer than this valu... 0 31536000 1 NULLNO REQUIRED
PERFORMANCE_SCHEMA_ACCOUNTS_SIZE NULL-1 COMPILE-TIME -1 GLOBAL INT Maximum number of instrumented user@host accounts.... -1 1048576 1 NULLYES REQUIRED
INNODB_CHECKSUMS NULLON COMPILE-TIME ON GLOBAL BOOLEAN DEPRECATED. Use innodb_checksum_algorithm=NONE ins... NULLNULLNULLOFF,ON YES NONE