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Variable Value Description
Aborted clients Documentation 2.2 k 2210 The number of connections that were aborted because the client died without closing the connection properly.
Aborted connects Documentation 6.6 k 6588 The number of failed attempts to connect to the MySQL server.
Aborted connects preauth Documentation 3.5 k 3530
Access denied errors Documentation 1.2 M 1221101
Acl column grants Documentation 0 0
Acl database grants Documentation 6.7 k 6688
Acl function grants Documentation 0 0
Acl procedure grants Documentation 0 0
Acl package spec grants Documentation 0 0
Acl package body grants Documentation 0 0
Acl proxy users Documentation 3 3
Acl role grants Documentation 0 0
Acl roles Documentation 0 0
Acl table grants Documentation 1 1
Acl users Documentation 5.3 k 5345
Aria pagecache blocks not flushed Documentation 0 0
Aria pagecache blocks unused Documentation 15.6 k 15621
Aria pagecache blocks used Documentation 6.7 k 6720
Aria pagecache read requests Documentation 295.3 M 295336502
Aria pagecache reads Documentation 899.2 k 899186
Aria pagecache write requests Documentation 43.9 M 43896750
Aria pagecache writes Documentation 1.1 k 1141
Aria transaction log syncs Documentation 8.4 k 8420
Binlog commits Documentation 0 0
Binlog group commits Documentation 0 0
Binlog group commit trigger count Documentation 0 0
Binlog group commit trigger lock wait Documentation 0 0
Binlog group commit trigger timeout Documentation 0 0
Binlog snapshot file Documentation
Binlog snapshot position Documentation 0 0
Binlog bytes written Documentation 0 0
Binlog cache disk use Documentation 0 0 The number of transactions that used the temporary binary log cache but that exceeded the value of binlog_cache_size and used a temporary file to store statements from the transaction.
Binlog cache use Documentation 0 0 The number of transactions that used the temporary binary log cache.
Binlog stmt cache disk use Documentation 0 0
Binlog stmt cache use Documentation 0 0
Busy time Documentation 0 0.000000
Bytes received Documentation 82.7 G 82666667814
Bytes sent Documentation 1.5 T 1534718178972
Column compressions Documentation 0 0
Column decompressions Documentation 0 0
Com admin commands Documentation 82.2 k 82160
Com alter db Documentation 3 3
Com alter db upgrade Documentation 0 0
Com alter event Documentation 0 0
Com alter function Documentation 0 0
Com alter procedure Documentation 0 0
Com alter server Documentation 0 0
Com alter sequence Documentation 0 0
Com alter table Documentation 51.6 k 51604
Com alter user Documentation 5.7 k 5746
Com analyze Documentation 0 0
Com assign to keycache Documentation 0 0
Com backup Documentation 0 0
Com backup lock Documentation 0 0
Com begin Documentation 20 k 20017
Com binlog Documentation 0 0
Com call procedure Documentation 0 0
Com change db Documentation 2.5 M 2453202
Com change master Documentation 0 0
Com check Documentation 960 960
Com checksum Documentation 0 0
Com commit Documentation 18.3 k 18275
Com compound sql Documentation 0 0
Com create db Documentation 25 25
Com create event Documentation 0 0
Com create function Documentation 20 20
Com create index Documentation 3 3
Com create package Documentation 0 0
Com create package body Documentation 0 0
Com create procedure Documentation 0 0
Com create role Documentation 0 0
Com create sequence Documentation 0 0
Com create server Documentation 0 0
Com create table Documentation 14.1 k 14123
Com create temporary table Documentation 6 6
Com create trigger Documentation 5 5
Com create udf Documentation 0 0
Com create user Documentation 64 64
Com create view Documentation 98 98
Com delete Documentation 940.6 k 940603
Com delete multi Documentation 12.7 k 12739
Com do Documentation 691 691
Com drop db Documentation 35 35
Com drop event Documentation 0 0
Com drop function Documentation 10 10
Com drop index Documentation 0 0
Com drop procedure Documentation 0 0
Com drop package Documentation 0 0
Com drop package body Documentation 0 0
Com drop role Documentation 0 0
Com drop server Documentation 0 0
Com drop sequence Documentation 0 0
Com drop table Documentation 1 k 1043
Com drop temporary table Documentation 0 0
Com drop trigger Documentation 0 0
Com drop user Documentation 48 48
Com drop view Documentation 38 38
Com empty query Documentation 7.6 k 7636
Com enable governor Documentation 0 0
Com enable governor reconn Documentation 0 0
Com enable governor lve Documentation 6.1 k 6108
Com enable governor reconn lve Documentation 18 18
Com execute immediate Documentation 0 0
Com flush Documentation 344 344
Com get diagnostics Documentation 0 0
Com grant Documentation 2.3 k 2317
Com grant role Documentation 0 0
Com ha close Documentation 0 0
Com ha open Documentation 0 0
Com ha read Documentation 0 0
Com help Documentation 0 0
Com insert Documentation 8 M 8041561
Com insert select Documentation 84.1 k 84114
Com install plugin Documentation 0 0
Com kill Documentation 1 1
Com load Documentation 0 0
Com lock tables Documentation 1.7 k 1702
Com optimize Documentation 9 9
Com preload keys Documentation 0 0
Com purge Documentation 0 0
Com purge before date Documentation 0 0
Com release savepoint Documentation 1.7 k 1656
Com rename table Documentation 1 1
Com rename user Documentation 0 0
Com repair Documentation 44.8 k 44802
Com replace Documentation 20.4 k 20412
Com replace select Documentation 0 0
Com reset Documentation 0 0
Com resignal Documentation 0 0
Com revoke Documentation 2 2
Com revoke all Documentation 0 0
Com revoke role Documentation 0 0
Com rollback Documentation 125 125
Com rollback to savepoint Documentation 61.9 k 61944
Com savepoint Documentation 1.7 k 1674
Com select Documentation 439.3 M 439308164
Com set option Documentation 8.1 M 8125067
Com show authors Documentation 0 0
Com show binlog events Documentation 0 0
Com show binlogs Documentation 193 193
Com show charsets Documentation 31 31
Com show collations Documentation 18 18
Com show contributors Documentation 0 0
Com show create db Documentation 828 828
Com show create event Documentation 0 0
Com show create func Documentation 35 35
Com show create package Documentation 0 0
Com show create package body Documentation 0 0
Com show create proc Documentation 48 48
Com show create table Documentation 331.7 k 331696
Com show create trigger Documentation 288 288
Com show create user Documentation 0 0
Com show databases Documentation 18.7 k 18729
Com show engine logs Documentation 0 0
Com show engine mutex Documentation 0 0
Com show engine status Documentation 366.8 k 366830
Com show errors Documentation 0 0
Com show events Documentation 850 850
Com show explain Documentation 0 0
Com show analyze Documentation 0 0
Com show fields Documentation 2.2 M 2153300
Com show function status Documentation 876 876
Com show generic Documentation 366.8 k 366829
Com show grants Documentation 247.6 k 247623
Com show keys Documentation 1.2 M 1215728
Com show binlog status Documentation 149 149
Com show open tables Documentation 0 0
Com show package status Documentation 832 832
Com show package body status Documentation 832 832
Com show plugins Documentation 0 0
Com show privileges Documentation 0 0
Com show procedure status Documentation 876 876
Com show processlist Documentation 99.1 k 99098
Com show profile Documentation 0 0
Com show profiles Documentation 0 0
Com show relaylog events Documentation 0 0
Com show slave hosts Documentation 0 0
Com show slave status Documentation 153 153
Com show status Documentation 373.7 k 373657
Com show storage engines Documentation 122 122
Com show table status Documentation 4.1 k 4057
Com show tables Documentation 1.5 M 1523953
Com show triggers Documentation 37 37
Com show variables Documentation 874 k 874044
Com show warnings Documentation 241.1 k 241122
Com shutdown Documentation 0 0
Com signal Documentation 0 0
Com start all slaves Documentation 0 0
Com start slave Documentation 0 0
Com stmt close Documentation 11.4 M 11360918
Com stmt execute Documentation 11.4 M 11391731
Com stmt fetch Documentation 0 0
Com stmt prepare Documentation 11.4 M 11361964
Com stmt reprepare Documentation 0 0
Com stmt reset Documentation 0 0
Com stmt send long data Documentation 2 k 1998
Com stop all slaves Documentation 0 0
Com stop slave Documentation 0 0
Com truncate Documentation 371 371
Com uninstall plugin Documentation 0 0
Com unlock tables Documentation 3.4 k 3406
Com update Documentation 5 M 4974051
Com update multi Documentation 109.8 k 109790
Com xa commit Documentation 0 0
Com xa end Documentation 0 0
Com xa prepare Documentation 0 0
Com xa recover Documentation 0 0
Com xa rollback Documentation 0 0
Com xa start Documentation 0 0
Compression Documentation OFF OFF
Connection errors accept Documentation 0 0
Connection errors internal Documentation 0 0
Connection errors max connections Documentation 0 0
Connection errors peer address Documentation 0 0
Connection errors select Documentation 0 0
Connection errors tcpwrap Documentation 0 0
Connections Documentation 3.3 M 3273234 The number of connection attempts (successful or not) to the MySQL server.
Cpu time Documentation 0 0.000000
Created tmp disk tables Documentation 9.5 M 9468507 The number of temporary tables on disk created automatically by the server while executing statements. If Created_tmp_disk_tables is big, you may want to increase the tmp_table_size value to cause temporary tables to be memory-based instead of disk-based.
Created tmp files Documentation 68.5 k 68474 How many temporary files mysqld has created.
Created tmp tables Documentation 63.3 M 63343626 The number of in-memory temporary tables created automatically by the server while executing statements.
Delayed errors Documentation 0 0 The number of rows written with INSERT DELAYED for which some error occurred (probably duplicate key).
Delayed insert threads Documentation 0 0 The number of INSERT DELAYED handler threads in use. Every different table on which one uses INSERT DELAYED gets its own thread.
Delayed writes Documentation 0 0 The number of INSERT DELAYED rows written.
Delete scan Documentation 56 k 55987
Empty queries Documentation 117.9 M 117885436
Enable governor Documentation 2 2
Executed events Documentation 0 0
Executed triggers Documentation 3.3 M 3335729
Feature application time periods Documentation 0 0
Feature check constraint Documentation 630.6 k 630604
Feature custom aggregate functions Documentation 0 0
Feature delay key write Documentation 0 0
Feature dynamic columns Documentation 0 0
Feature fulltext Documentation 15.4 k 15373
Feature gis Documentation 23.1 k 23128
Feature insert returning Documentation 0 0
Feature invisible columns Documentation 0 0
Feature json Documentation 2.1 M 2127339
Feature locale Documentation 243.7 k 243732
Feature subquery Documentation 2.5 M 2463775
Feature system versioning Documentation 0 0
Feature timezone Documentation 136.2 k 136183
Feature trigger Documentation 152 k 151977
Feature window functions Documentation 429 429
Feature xml Documentation 0 0
Handler commit Documentation 309.8 M 309812567 The number of internal COMMIT statements.
Handler delete Documentation 1.3 M 1315808 The number of times a row was deleted from a table.
Handler discover Documentation 315.2 k 315186 The MySQL server can ask the NDB Cluster storage engine if it knows about a table with a given name. This is called discovery. Handler_discover indicates the number of time tables have been discovered.
Handler external lock Documentation 0 0
Handler icp attempts Documentation 1.6 G 1587990163
Handler icp match Documentation 1.6 G 1560931663
Handler mrr init Documentation 0 0
Handler mrr key refills Documentation 0 0
Handler mrr rowid refills Documentation 0 0
Handler prepare Documentation 0 0
Handler read first Documentation 6 M 6012856 The number of times the first entry was read from an index. If this is high, it suggests that the server is doing a lot of full index scans; for example, SELECT col1 FROM foo, assuming that col1 is indexed.
Handler read key Documentation 5.3 G 5347636537 The number of requests to read a row based on a key. If this is high, it is a good indication that your queries and tables are properly indexed.
Handler read last Documentation 1.5 M 1549718
Handler read next Documentation 16.3 G 16285780580 The number of requests to read the next row in key order. This is incremented if you are querying an index column with a range constraint or if you are doing an index scan.
Handler read prev Documentation 1.4 G 1398391530 The number of requests to read the previous row in key order. This read method is mainly used to optimize ORDER BY … DESC.
Handler read retry Documentation 0 0
Handler read rnd Documentation 2.7 G 2666512059 The number of requests to read a row based on a fixed position. This is high if you are doing a lot of queries that require sorting of the result. You probably have a lot of queries that require MySQL to scan whole tables or you have joins that don't use keys properly.
Handler read rnd deleted Documentation 507.6 k 507596
Handler read rnd next Documentation 22.2 G 22237213093 The number of requests to read the next row in the data file. This is high if you are doing a lot of table scans. Generally this suggests that your tables are not properly indexed or that your queries are not written to take advantage of the indexes you have.
Handler rollback Documentation 45.6 k 45576 The number of internal ROLLBACK statements.
Handler savepoint Documentation 1.7 k 1674
Handler savepoint rollback Documentation 61.9 k 61944
Handler tmp delete Documentation 0 0
Handler tmp update Documentation 79.6 M 79589176
Handler tmp write Documentation 7.6 G 7621049185
Handler update Documentation 9.9 M 9852520 The number of requests to update a row in a table.
Handler write Documentation 9.5 M 9468849 The number of requests to insert a row in a table.
Innodb adaptive hash hash searches Documentation 0 0
Innodb adaptive hash non hash searches Documentation 0 0
Innodb background log sync Documentation 366.6 k 366567
Innodb buffer pool dump status Documentation
Innodb buffer pool load status Documentation Buffer pool(s) load completed at 260602 3:19:23 Buffer pool(s) load completed at 260602 3:19:23
Innodb buffer pool resize status Documentation
Innodb buffer pool load incomplete Documentation OFF OFF
Innodb buffer pool pages data Documentation 752.9 k 752912 The number of pages containing data (dirty or clean).
Innodb buffer pool bytes data Documentation 12.7 G 12705587200
Innodb buffer pool pages dirty Documentation 5.1 k 5131 The number of pages currently dirty.
Innodb buffer pool bytes dirty Documentation 77.8 M 77750272
Innodb buffer pool pages flushed Documentation 1.3 M 1281004 The number of buffer pool pages that have been requested to be flushed.
Innodb buffer pool pages free Documentation 3.3 k 3264 The number of free pages.
Innodb buffer pool pages made not young Documentation 32.4 M 32382802
Innodb buffer pool pages made young Documentation 635.1 k 635091
Innodb buffer pool pages misc Documentation 22.6 k 22576 The number of pages busy because they have been allocated for administrative overhead such as row locks or the adaptive hash index. This value can also be calculated as Innodb_buffer_pool_pages_total - Innodb_buffer_pool_pages_free - Innodb_buffer_pool_pages_data.
Innodb buffer pool pages old Documentation 277.9 k 277910
Innodb buffer pool pages total Documentation 778.8 k 778752 Total size of buffer pool, in pages.
Innodb buffer pool pages lru flushed Documentation 1.1 k 1141
Innodb buffer pool pages lru freed Documentation 1.2 M 1209509
Innodb buffer pool pages split Documentation 81 k 80993
Innodb buffer pool read ahead rnd Documentation 0 0 The number of "random" read-aheads InnoDB initiated. This happens when a query is to scan a large portion of a table but in random order.
Innodb buffer pool read ahead Documentation 401 k 401015
Innodb buffer pool read ahead evicted Documentation 0 0
Innodb buffer pool read requests Documentation 13.1 G 13075030580 The number of logical read requests InnoDB has done.
Innodb buffer pool reads Documentation 1.9 M 1885493 The number of logical reads that InnoDB could not satisfy from buffer pool and had to do a single-page read.
Innodb buffer pool wait free Documentation 0 0 Normally, writes to the InnoDB buffer pool happen in the background. However, if it's necessary to read or create a page and no clean pages are available, it's necessary to wait for pages to be flushed first. This counter counts instances of these waits. If the buffer pool size was set properly, this value should be small.
Innodb buffer pool write requests Documentation 106.2 M 106165919 The number writes done to the InnoDB buffer pool.
Innodb checkpoint age Documentation 59.3 M 59344974
Innodb checkpoint max age Documentation 80.8 M 80819529
Innodb data fsyncs Documentation 8.4 M 8390184 The number of fsync() operations so far.
Innodb data pending fsyncs Documentation 0 0 The current number of pending fsync() operations.
Innodb data pending reads Documentation 0 0 The current number of pending reads.
Innodb data pending writes Documentation 0 0 The current number of pending writes.
Innodb data read Documentation 28.3 G 28260433920 The amount of data read so far, in bytes.
Innodb data reads Documentation 1.9 M 1934741 The total number of data reads.
Innodb data writes Documentation 1.3 M 1296000 The total number of data writes.
Innodb data written Documentation 38.2 G 38243213312 The amount of data written so far, in bytes.
Innodb dblwr pages written Documentation 1.1 M 1070022 The number of pages that have been written for doublewrite operations.
Innodb dblwr writes Documentation 15 k 14992 The number of doublewrite operations that have been performed.
Innodb deadlocks Documentation 1 1
Innodb history list length Documentation 0 0
Innodb ibuf discarded delete marks Documentation 0 0
Innodb ibuf discarded deletes Documentation 0 0
Innodb ibuf discarded inserts Documentation 0 0
Innodb ibuf free list Documentation 0 0
Innodb ibuf merged delete marks Documentation 0 0
Innodb ibuf merged deletes Documentation 0 0
Innodb ibuf merged inserts Documentation 0 0
Innodb ibuf merges Documentation 0 0
Innodb ibuf segment size Documentation 1.1 T 1103806595074
Innodb ibuf size Documentation 836.2 T 836178592923649
Innodb log waits Documentation 0 0 The number of waits we had because log buffer was too small and we had to wait for it to be flushed before continuing.
Innodb log write requests Documentation 58.7 M 58717143 The number of log write requests.
Innodb log writes Documentation 8.1 M 8077834 The number of physical writes to the log file.
Innodb lsn current Documentation 13.4 T 13411092178642
Innodb lsn flushed Documentation 13.4 T 13411092178447
Innodb lsn last checkpoint Documentation 13.4 T 13411032833668
Innodb master thread active loops Documentation 54 54
Innodb master thread idle loops Documentation 366.5 k 366516
Innodb max trx id Documentation 13.8 G 13750791286
Innodb mem adaptive hash Documentation 0 0
Innodb mem dictionary Documentation 99.4 M 99366016
Innodb os log written Documentation 18.1 G 18059643977 The number of bytes written to the log file.
Innodb page size Documentation 16.4 k 16384 The compiled-in InnoDB page size (default 16KB). Many values are counted in pages; the page size allows them to be easily converted to bytes.
Innodb pages created Documentation 461.5 k 461537 The number of pages created.
Innodb pages read Documentation 1.9 M 1885493 The number of pages read.
Innodb pages written Documentation 1.3 M 1281004 The number of pages written.
Innodb row lock current waits Documentation 0 0 The number of row locks currently being waited for.
Innodb row lock time Documentation 4 k 3959 The total time spent in acquiring row locks, in milliseconds.
Innodb row lock time avg Documentation 0 0 The average time to acquire a row lock, in milliseconds.
Innodb row lock time max Documentation 230 230 The maximum time to acquire a row lock, in milliseconds.
Innodb row lock waits Documentation 12.7 k 12718 The number of times a row lock had to be waited for.
Innodb num open files Documentation 4.1 k 4096
Innodb truncated status writes Documentation 0 0
Innodb available undo logs Documentation 128 128
Innodb undo truncations Documentation 0 0
Innodb page compression saved Documentation 0 0
Innodb num pages page compressed Documentation 0 0
Innodb num page compressed trim op Documentation 0 0
Innodb num pages page decompressed Documentation 0 0
Innodb num pages page compression error Documentation 0 0
Innodb num pages encrypted Documentation 0 0
Innodb num pages decrypted Documentation 0 0
Innodb have lz4 Documentation OFF OFF
Innodb have lzo Documentation OFF OFF
Innodb have lzma Documentation OFF OFF
Innodb have bzip2 Documentation OFF OFF
Innodb have snappy Documentation OFF OFF
Innodb have punch hole Documentation ON ON
Innodb defragment compression failures Documentation 0 0
Innodb defragment failures Documentation 0 0
Innodb defragment count Documentation 0 0
Innodb instant alter column Documentation 5 5
Innodb onlineddl rowlog rows Documentation 0 0
Innodb onlineddl rowlog pct used Documentation 0 0
Innodb onlineddl pct progress Documentation 0 0
Innodb encryption rotation pages read from cache Documentation 0 0
Innodb encryption rotation pages read from disk Documentation 0 0
Innodb encryption rotation pages modified Documentation 0 0
Innodb encryption rotation pages flushed Documentation 0 0
Innodb encryption rotation estimated iops Documentation 0 0
Innodb encryption n merge blocks encrypted Documentation 0 0
Innodb encryption n merge blocks decrypted Documentation 0 0
Innodb encryption n rowlog blocks encrypted Documentation 0 0
Innodb encryption n rowlog blocks decrypted Documentation 0 0
Innodb encryption n temp blocks encrypted Documentation 0 0
Innodb encryption n temp blocks decrypted Documentation 0 0
Innodb encryption num key requests Documentation 0 0
Innodb bulk operations Documentation 372 372
Key blocks not flushed Documentation 0 0 The number of key blocks in the key cache that have changed but haven't yet been flushed to disk. It used to be known as Not_flushed_key_blocks.
Key blocks unused Documentation 18.1 k 18147 The number of unused blocks in the key cache. You can use this value to determine how much of the key cache is in use.
Key blocks used Documentation 25.5 k 25501 The number of used blocks in the key cache. This value is a high-water mark that indicates the maximum number of blocks that have ever been in use at one time.
Key blocks warm Documentation 1.2 k 1189
Key read requests Documentation 3.4 G 3363471925 The number of requests to read a key block from the cache.
Key reads Documentation 11.5 M 11524455 The number of physical reads of a key block from disk. If Key_reads is big, then your key_buffer_size value is probably too small. The cache miss rate can be calculated as Key_reads/Key_read_requests.
Key write requests Documentation 989.3 k 989294 The number of requests to write a key block to the cache.
Key writes Documentation 923.7 k 923736 The number of physical writes of a key block to disk.
Last query cost Documentation 0 0.000000 The total cost of the last compiled query as computed by the query optimizer. Useful for comparing the cost of different query plans for the same query. The default value of 0 means that no query has been compiled yet.
Master gtid wait count Documentation 0 0
Master gtid wait time Documentation 0 0
Master gtid wait timeouts Documentation 0 0
Max memory used Documentation NULL NULL
Max statement time exceeded Documentation 0 0
Max used connections Documentation 80 80 The maximum number of connections that have been in use simultaneously since the server started.
Memory used Documentation 13.3 G 13274218536
Memory used initial Documentation 13.1 G 13096376864
Not flushed delayed rows Documentation 0 0 The number of rows waiting to be written in INSERT DELAYED queues.
Open files Documentation 610 610 The number of files that are open.
Open streams Documentation 4 4 The number of streams that are open (used mainly for logging).
Open table definitions Documentation 4.1 k 4096
Open tables Documentation 4.1 k 4096 The number of tables that are open.
Opened files Documentation 193.6 M 193556812
Opened plugin libraries Documentation 116 116
Opened table definitions Documentation 145.4 M 145400915
Opened tables Documentation 77.8 M 77760147 The number of tables that have been opened. If opened tables is big, your table_open_cache value is probably too small.
Opened views Documentation 613.7 k 613690
Optimizer join prefixes check calls Documentation 241.6 M 241592171
Performance schema accounts lost Documentation 0 0
Performance schema cond classes lost Documentation 0 0
Performance schema cond instances lost Documentation 0 0
Performance schema digest lost Documentation 0 0
Performance schema file classes lost Documentation 0 0
Performance schema file handles lost Documentation 0 0
Performance schema file instances lost Documentation 0 0
Performance schema hosts lost Documentation 0 0
Performance schema index stat lost Documentation 0 0
Performance schema locker lost Documentation 0 0
Performance schema memory classes lost Documentation 0 0
Performance schema metadata lock lost Documentation 0 0
Performance schema mutex classes lost Documentation 0 0
Performance schema mutex instances lost Documentation 0 0
Performance schema nested statement lost Documentation 0 0
Performance schema prepared statements lost Documentation 0 0
Performance schema program lost Documentation 0 0
Performance schema rwlock classes lost Documentation 0 0
Performance schema rwlock instances lost Documentation 0 0
Performance schema session connect attrs lost Documentation 0 0
Performance schema socket classes lost Documentation 0 0
Performance schema socket instances lost Documentation 0 0
Performance schema stage classes lost Documentation 0 0
Performance schema statement classes lost Documentation 0 0
Performance schema table handles lost Documentation 0 0
Performance schema table instances lost Documentation 0 0
Performance schema table lock stat lost Documentation 0 0
Performance schema thread classes lost Documentation 0 0
Performance schema thread instances lost Documentation 0 0
Performance schema users lost Documentation 0 0
Prepared stmt count Documentation 0 0
Qcache free blocks Documentation 0 0 The number of free memory blocks in query cache. High numbers can indicate fragmentation issues, which may be solved by issuing a FLUSH QUERY CACHE statement.
Qcache free memory Documentation 0 0 The amount of free memory for query cache.
Qcache hits Documentation 0 0 The number of cache hits.
Qcache inserts Documentation 0 0 The number of queries added to the cache.
Qcache lowmem prunes Documentation 0 0 The number of queries that have been removed from the cache to free up memory for caching new queries. This information can help you tune the query cache size. The query cache uses a least recently used (LRU) strategy to decide which queries to remove from the cache.
Qcache not cached Documentation 0 0 The number of non-cached queries (not cachable, or not cached due to the query_cache_type setting).
Qcache queries in cache Documentation 0 0 The number of queries registered in the cache.
Qcache total blocks Documentation 0 0 The total number of blocks in the query cache.
Queries Documentation 530.9 M 530913004
Query time Documentation 112.9 k 112936.976341
Questions Documentation 446 M 445980052
Resultset metadata skipped Documentation 7.4 M 7427329
Rows read Documentation 36.5 G 36470774778
Rows sent Documentation 6.1 G 6129085161
Rows tmp read Documentation 9.3 G 9264318936
Rpl semi sync master clients Documentation 0 0
Rpl semi sync master get ack Documentation 0 0
Rpl semi sync master net avg wait time Documentation 0 0
Rpl semi sync master net wait time Documentation 0 0
Rpl semi sync master net waits Documentation 0 0
Rpl semi sync master no times Documentation 0 0
Rpl semi sync master no tx Documentation 0 0
Rpl semi sync master request ack Documentation 0 0
Rpl semi sync master status Documentation OFF OFF
Rpl semi sync master timefunc failures Documentation 0 0
Rpl semi sync master tx avg wait time Documentation 0 0
Rpl semi sync master tx wait time Documentation 0 0
Rpl semi sync master tx waits Documentation 0 0
Rpl semi sync master wait pos backtraverse Documentation 0 0
Rpl semi sync master wait sessions Documentation 0 0
Rpl semi sync master yes tx Documentation 0 0
Rpl semi sync slave send ack Documentation 0 0
Rpl semi sync slave status Documentation OFF OFF
Rpl status Documentation AUTH_MASTER AUTH_MASTER The status of failsafe replication (not yet implemented).
Rpl transactions multi engine Documentation 0 0
Select full join Documentation 3.4 M 3437421 The number of joins that do not use indexes. If this value is not 0, you should carefully check the indexes of your tables.
Select full range join Documentation 579.7 k 579660 The number of joins that used a range search on a reference table.
Select range Documentation 27.1 M 27123802 The number of joins that used ranges on the first table. (It's normally not critical even if this is big.)
Select range check Documentation 11.5 k 11534 The number of joins without keys that check for key usage after each row. (If this is not 0, you should carefully check the indexes of your tables.)
Select scan Documentation 48.5 M 48537138 The number of joins that did a full scan of the first table.
Slave connections Documentation 0 0
Slave heartbeat period Documentation 0 0.000
Slave open temp tables Documentation 0 0 The number of temporary tables currently open by the replica SQL thread.
Slave received heartbeats Documentation 0 0
Slave retried transactions Documentation 0 0 Total (since startup) number of times the replication replica SQL thread has retried transactions.
Slave running Documentation OFF OFF This is ON if this server is a replica that is connected to a primary.
Slave skipped errors Documentation 0 0
Slaves connected Documentation 0 0
Slaves running Documentation 0 0
Slow launch threads Documentation 0 0 The number of threads that have taken more than slow_launch_time seconds to create.
Slow queries Documentation 74 74 The number of queries that have taken more than long_query_time seconds. Documentation
Sort merge passes Documentation 34.2 k 34237 The number of merge passes the sort algorithm has had to do. If this value is large, you should consider increasing the value of the sort_buffer_size system variable.
Sort priority queue sorts Documentation 3.1 M 3080064
Sort range Documentation 10.4 M 10399468 The number of sorts that were done with ranges.
Sort rows Documentation 2.8 G 2774990442 The number of sorted rows.
Sort scan Documentation 21 M 21041074 The number of sorts that were done by scanning the table.
Ssl accept renegotiates Documentation 0 0
Ssl accepts Documentation 0 0
Ssl callback cache hits Documentation 0 0
Ssl cipher Documentation
Ssl cipher list Documentation
Ssl client connects Documentation 0 0
Ssl connect renegotiates Documentation 0 0
Ssl ctx verify depth Documentation 0 0
Ssl ctx verify mode Documentation 0 0
Ssl default timeout Documentation 0 0
Ssl finished accepts Documentation 0 0
Ssl finished connects Documentation 0 0
Ssl server not after Documentation
Ssl server not before Documentation
Ssl session cache hits Documentation 0 0
Ssl session cache misses Documentation 0 0
Ssl session cache mode Documentation NONE NONE
Ssl session cache overflows Documentation 0 0
Ssl session cache size Documentation 0 0
Ssl session cache timeouts Documentation 0 0
Ssl sessions reused Documentation 0 0
Ssl used session cache entries Documentation 0 0
Ssl verify depth Documentation 0 0
Ssl verify mode Documentation 0 0
Ssl version Documentation
Stack usage Documentation 0 0
Subquery cache hit Documentation 171.1 k 171050
Subquery cache miss Documentation 20.6 M 20589175
Syncs Documentation 655.6 k 655607
Table locks immediate Documentation 61.3 M 61292380 The number of times that a table lock was acquired immediately.
Table locks waited Documentation 21.5 k 21477 The number of times that a table lock could not be acquired immediately and a wait was needed. If this is high, and you have performance problems, you should first optimize your queries, and then either split your table or tables or use replication.
Table open cache active instances Documentation 1 1
Table open cache hits Documentation 445.1 M 445115026
Table open cache misses Documentation 80 M 80015442
Table open cache overflows Documentation 77.6 M 77564290
Tc log max pages used Documentation 0 0
Tc log page size Documentation 0 0
Tc log page waits Documentation 0 0
Threadpool idle threads Documentation 0 0
Threadpool threads Documentation 0 0
Threads cached Documentation 67 67 The number of threads in the thread cache. The cache hit rate can be calculated as Threads_created/Connections. If this value is red you should raise your thread_cache_size.
Threads connected Documentation 13 13 The number of currently open connections.
Threads created Documentation 80 80 The number of threads created to handle connections. If Threads_created is big, you may want to increase the thread_cache_size value. (Normally this doesn't give a notable performance improvement if you have a good thread implementation.)
Threads running Documentation 1 1 The number of threads that are not sleeping.
Transactions gtid foreign engine Documentation 0 0
Transactions multi engine Documentation 0 0
Update scan Documentation 29.7 k 29714
Uptime Documentation 4 days, 5 hours, 54 minutes and 44 seconds 366884
Uptime since flush status Documentation 4 days, 5 hours, 54 minutes and 44 seconds 366884
wsrep Documentation 0 0
wsrep applier thread count Documentation 0 0
wsrep cluster capabilities Documentation
wsrep cluster conf id Documentation 18.4 E 18446744073709551615
wsrep cluster size Documentation 0 0
wsrep cluster state uuid Documentation
wsrep cluster status Documentation Disconnected Disconnected
wsrep connected Documentation OFF OFF
wsrep local bf aborts Documentation 0 0
wsrep local index Documentation 18.4 E 18446744073709551615
wsrep provider capabilities Documentation
wsrep provider name Documentation
wsrep provider vendor Documentation
wsrep provider version Documentation
wsrep ready Documentation OFF OFF
wsrep rollbacker thread count Documentation 0 0
wsrep thread count Documentation 0 0
Key buffer fraction % 44.62 % 44.619750976562 Percentage of used key cache (calculated value)
Key write ratio % 93.37 % 93.373254057944 Percentage of physical writes compared to write requests (calculated value)
Key read ratio % 0.34 % 0.34263568291863 Key cache miss calculated as rate of physical reads compared to read requests (calculated value)
Threads cache hitrate % 100.00 % 99.997555933978 Thread cache hit rate (calculated value)