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Variable Value Description
Aborted clients Documentation 20.4 k 20421 The number of connections that were aborted because the client died without closing the connection properly.
Aborted connects Documentation 13.3 k 13309 The number of failed attempts to connect to the MySQL server.
Aborted connects preauth Documentation 1.9 k 1850
Access denied errors Documentation 41.1 k 41076
Acl column grants Documentation 0 0
Acl database grants Documentation 7.8 k 7753
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 5.7 k 5732
Aria pagecache blocks not flushed Documentation 0 0
Aria pagecache blocks unused Documentation 15.6 k 15644
Aria pagecache blocks used Documentation 15.5 k 15536
Aria pagecache read requests Documentation 1.2 G 1223613454
Aria pagecache reads Documentation 362.9 k 362858
Aria pagecache write requests Documentation 107 M 107027876
Aria pagecache writes Documentation 216.1 k 216101
Aria transaction log syncs Documentation 3.4 k 3418
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 108.8 G 108805063866
Bytes sent Documentation 2.9 T 2913473197000
Column compressions Documentation 0 0
Column decompressions Documentation 0 0
Com admin commands Documentation 29.2 k 29168
Com alter db Documentation 0 0
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 26.8 k 26773
Com alter user Documentation 1.3 k 1269
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 10.7 k 10723
Com binlog Documentation 0 0
Com call procedure Documentation 2 2
Com change db Documentation 3.8 M 3768937
Com change master Documentation 0 0
Com check Documentation 386 386
Com checksum Documentation 0 0
Com commit Documentation 8.8 k 8751
Com compound sql Documentation 0 0
Com create db Documentation 90 90
Com create event Documentation 0 0
Com create function Documentation 0 0
Com create index Documentation 0 0
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 18.2 k 18225
Com create temporary table Documentation 4 4
Com create trigger Documentation 0 0
Com create udf Documentation 0 0
Com create user Documentation 276 276
Com create view Documentation 116 116
Com delete Documentation 792.9 k 792860
Com delete multi Documentation 8.9 k 8947
Com do Documentation 36 36
Com drop db Documentation 102 102
Com drop event Documentation 0 0
Com drop function Documentation 0 0
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 2.4 k 2410
Com drop temporary table Documentation 0 0
Com drop trigger Documentation 0 0
Com drop user Documentation 277 277
Com drop view Documentation 76 76
Com empty query Documentation 2 k 2026
Com enable governor Documentation 0 0
Com enable governor reconn Documentation 0 0
Com enable governor lve Documentation 2.9 k 2896
Com enable governor reconn lve Documentation 17 17
Com execute immediate Documentation 0 0
Com flush Documentation 244 244
Com get diagnostics Documentation 0 0
Com grant Documentation 1.3 k 1266
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 2.3 M 2342261
Com insert select Documentation 162.7 k 162715
Com install plugin Documentation 0 0
Com kill Documentation 0 0
Com load Documentation 0 0
Com lock tables Documentation 3.7 k 3707
Com optimize Documentation 0 0
Com preload keys Documentation 0 0
Com purge Documentation 0 0
Com purge before date Documentation 0 0
Com release savepoint Documentation 2 k 1964
Com rename table Documentation 4 4
Com rename user Documentation 0 0
Com repair Documentation 70.3 k 70281
Com replace Documentation 316.2 k 316185
Com replace select Documentation 0 0
Com reset Documentation 0 0
Com resignal Documentation 0 0
Com revoke Documentation 0 0
Com revoke all Documentation 0 0
Com revoke role Documentation 0 0
Com rollback Documentation 7 7
Com rollback to savepoint Documentation 62.2 k 62238
Com savepoint Documentation 7.6 k 7647
Com select Documentation 708.7 M 708746588
Com set option Documentation 11.9 M 11897619
Com show authors Documentation 0 0
Com show binlog events Documentation 0 0
Com show binlogs Documentation 878 878
Com show charsets Documentation 90 90
Com show collations Documentation 0 0
Com show contributors Documentation 0 0
Com show create db Documentation 979 979
Com show create event Documentation 0 0
Com show create func Documentation 15 15
Com show create package Documentation 0 0
Com show create package body Documentation 0 0
Com show create proc Documentation 38 38
Com show create table Documentation 114.7 k 114687
Com show create trigger Documentation 440 440
Com show create user Documentation 0 0
Com show databases Documentation 63.7 k 63749
Com show engine logs Documentation 0 0
Com show engine mutex Documentation 0 0
Com show engine status Documentation 174.2 k 174173
Com show errors Documentation 0 0
Com show events Documentation 1 k 1007
Com show explain Documentation 0 0
Com show analyze Documentation 0 0
Com show fields Documentation 2.8 M 2752045
Com show function status Documentation 1 k 1027
Com show generic Documentation 174.2 k 174162
Com show grants Documentation 9.5 k 9486
Com show keys Documentation 18.1 k 18104
Com show binlog status Documentation 244 244
Com show open tables Documentation 0 0
Com show package status Documentation 985 985
Com show package body status Documentation 985 985
Com show plugins Documentation 0 0
Com show privileges Documentation 0 0
Com show procedure status Documentation 1 k 1027
Com show processlist Documentation 47.1 k 47058
Com show profile Documentation 8.8 k 8771
Com show profiles Documentation 547 547
Com show relaylog events Documentation 0 0
Com show slave hosts Documentation 0 0
Com show slave status Documentation 247 247
Com show status Documentation 387.7 k 387686
Com show storage engines Documentation 540 540
Com show table status Documentation 2.7 k 2669
Com show tables Documentation 893.2 k 893203
Com show triggers Documentation 39 39
Com show variables Documentation 182.3 k 182328
Com show warnings Documentation 464 464
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 7.7 M 7688196
Com stmt execute Documentation 7.7 M 7693238
Com stmt fetch Documentation 0 0
Com stmt prepare Documentation 7.7 M 7695413
Com stmt reprepare Documentation 0 0
Com stmt reset Documentation 0 0
Com stmt send long data Documentation 612 612
Com stop all slaves Documentation 0 0
Com stop slave Documentation 0 0
Com truncate Documentation 3.1 k 3125
Com uninstall plugin Documentation 0 0
Com unlock tables Documentation 5.7 k 5723
Com update Documentation 6.6 M 6638867
Com update multi Documentation 61.1 k 61142
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 112 112
Connection errors peer address Documentation 0 0
Connection errors select Documentation 0 0
Connection errors tcpwrap Documentation 0 0
Connections Documentation 4.2 M 4183723 The number of connection attempts (successful or not) to the MySQL server.
Cpu time Documentation 0 0.000000
Created tmp disk tables Documentation 8.3 M 8287989 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 29.2 k 29181 How many temporary files mysqld has created.
Created tmp tables Documentation 35.8 M 35792582 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 69.3 k 69256
Empty queries Documentation 227.6 M 227616014
Enable governor Documentation 2 2
Executed events Documentation 0 0
Executed triggers Documentation 1.6 M 1612886
Feature application time periods Documentation 0 0
Feature check constraint Documentation 305.6 k 305590
Feature custom aggregate functions Documentation 0 0
Feature delay key write Documentation 0 0
Feature dynamic columns Documentation 0 0
Feature fulltext Documentation 7 7
Feature gis Documentation 14.4 k 14447
Feature insert returning Documentation 0 0
Feature invisible columns Documentation 0 0
Feature json Documentation 1.8 M 1838904
Feature locale Documentation 5.8 k 5757
Feature subquery Documentation 2.4 M 2424694
Feature system versioning Documentation 0 0
Feature timezone Documentation 91.2 k 91214
Feature trigger Documentation 133.6 k 133592
Feature window functions Documentation 381 381
Feature xml Documentation 0 0
Handler commit Documentation 508.2 M 508209698 The number of internal COMMIT statements.
Handler delete Documentation 2.1 M 2092626 The number of times a row was deleted from a table.
Handler discover Documentation 153 k 152986 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 1.4 G 1437440091
Handler icp match Documentation 1.4 G 1372810144
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 10 M 9961923 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 4.7 G 4718175609 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 1.7 M 1722789
Handler read next Documentation 6.8 G 6754781440 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 1.2 G 1221259031 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 2.3 G 2286164597 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 261.4 k 261390
Handler read rnd next Documentation 26.8 G 26818604694 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 13.6 k 13554 The number of internal ROLLBACK statements.
Handler savepoint Documentation 7.6 k 7647
Handler savepoint rollback Documentation 62.2 k 62238
Handler tmp delete Documentation 0 0
Handler tmp update Documentation 71.9 M 71872916
Handler tmp write Documentation 3.3 G 3313083758
Handler update Documentation 6.6 M 6597654 The number of requests to update a row in a table.
Handler write Documentation 4 M 3962388 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 173.9 k 173874
Innodb buffer pool dump status Documentation
Innodb buffer pool load status Documentation Buffer pool(s) load completed at 260311 4:21:01 Buffer pool(s) load completed at 260311 4:21:01
Innodb buffer pool resize status Documentation
Innodb buffer pool load incomplete Documentation OFF OFF
Innodb buffer pool pages data Documentation 777.4 k 777407 The number of pages containing data (dirty or clean).
Innodb buffer pool bytes data Documentation 12.7 G 12744777728
Innodb buffer pool pages dirty Documentation 5.4 k 5385 The number of pages currently dirty.
Innodb buffer pool bytes dirty Documentation 83.9 M 83894272
Innodb buffer pool pages flushed Documentation 2 M 2008494 The number of buffer pool pages that have been requested to be flushed.
Innodb buffer pool pages free Documentation 872 872 The number of free pages.
Innodb buffer pool pages made not young Documentation 41.5 M 41496653
Innodb buffer pool pages made young Documentation 1.8 M 1841819
Innodb buffer pool pages misc Documentation 473 473 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 287 k 286952
Innodb buffer pool pages total Documentation 778.8 k 778752 Total size of buffer pool, in pages.
Innodb buffer pool pages lru flushed Documentation 2 k 1982
Innodb buffer pool pages lru freed Documentation 2.6 M 2572559
Innodb buffer pool pages split Documentation 95.3 k 95287
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 997.4 k 997446
Innodb buffer pool read ahead evicted Documentation 0 0
Innodb buffer pool read requests Documentation 11.7 G 11706271010 The number of logical read requests InnoDB has done.
Innodb buffer pool reads Documentation 3.3 M 3334018 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 113.1 M 113098446 The number writes done to the InnoDB buffer pool.
Innodb checkpoint age Documentation 69.4 M 69417144
Innodb checkpoint max age Documentation 80.8 M 80819529
Innodb data fsyncs Documentation 7.7 M 7659165 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 48.4 G 48358481920 The amount of data read so far, in bytes.
Innodb data reads Documentation 3.5 M 3491533 The total number of data reads.
Innodb data writes Documentation 2.1 M 2110603 The total number of data writes.
Innodb data written Documentation 58.4 G 58403160064 The amount of data written so far, in bytes.
Innodb dblwr pages written Documentation 1.7 M 1675399 The number of pages that have been written for doublewrite operations.
Innodb dblwr writes Documentation 23.2 k 23234 The number of doublewrite operations that have been performed.
Innodb deadlocks Documentation 0 0
Innodb history list length Documentation 18 18
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 59.8 M 59789843 The number of log write requests.
Innodb log writes Documentation 7.1 M 7129674 The number of physical writes to the log file.
Innodb lsn current Documentation 12.8 T 12758985924515
Innodb lsn flushed Documentation 12.8 T 12758985924515
Innodb lsn last checkpoint Documentation 12.8 T 12758916507371
Innodb master thread active loops Documentation 123 123
Innodb master thread idle loops Documentation 173.8 k 173753
Innodb max trx id Documentation 11.3 G 11344325918
Innodb mem adaptive hash Documentation 0 0
Innodb mem dictionary Documentation 96.7 M 96666168
Innodb os log written Documentation 27.1 G 27062836108 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 715.3 k 715333 The number of pages created.
Innodb pages read Documentation 3.3 M 3334018 The number of pages read.
Innodb pages written Documentation 2 M 2008494 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 5.6 k 5587 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 1.2 k 1173 The maximum time to acquire a row lock, in milliseconds.
Innodb row lock waits Documentation 8.2 k 8221 The number of times a row lock had to be waited for.
Innodb num open files Documentation 4.1 k 4095
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 11 11
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 1.7 k 1672
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 23.9 k 23879 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 14.9 k 14894 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 615 615
Key read requests Documentation 4.5 G 4450682256 The number of requests to read a key block from the cache.
Key reads Documentation 7 M 7021533 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 621.3 k 621322 The number of requests to write a key block to the cache.
Key writes Documentation 588.7 k 588663 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 81 81
Max used connections Documentation 513 513 The maximum number of connections that have been in use simultaneously since the server started.
Memory used Documentation 13.4 G 13371316368
Memory used initial Documentation 13.1 G 13096628944
Not flushed delayed rows Documentation 0 0 The number of rows waiting to be written in INSERT DELAYED queues.
Open files Documentation 455 455 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 176 M 176035407
Opened plugin libraries Documentation 174 174
Opened table definitions Documentation 123.5 M 123494404
Opened tables Documentation 76.9 M 76870450 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 400.1 k 400052
Optimizer join prefixes check calls Documentation 289.1 M 289107952
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 761.5 M 761545683
Query time Documentation 151 k 150995.894044
Questions Documentation 742.9 M 742937418
Resultset metadata skipped Documentation 4.4 M 4424723
Rows read Documentation 34.8 G 34819718337
Rows sent Documentation 4.9 G 4940618390
Rows tmp read Documentation 4.8 G 4837128694
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 7.4 M 7367232 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 914.7 k 914709 The number of joins that used a range search on a reference table.
Select range Documentation 46.9 M 46906359 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 196.6 k 196567 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 32.8 M 32784945 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 1 1 The number of threads that have taken more than slow_launch_time seconds to create.
Slow queries Documentation 95 95 The number of queries that have taken more than long_query_time seconds. Documentation
Sort merge passes Documentation 14.6 k 14574 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 4.6 M 4565613
Sort range Documentation 13.5 M 13520490 The number of sorts that were done with ranges.
Sort rows Documentation 2.4 G 2404972180 The number of sorted rows.
Sort scan Documentation 34.5 M 34490525 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 318 k 317971
Subquery cache miss Documentation 3.7 M 3695502
Syncs Documentation 261.2 k 261169
Table locks immediate Documentation 96.5 M 96470401 The number of times that a table lock was acquired immediately.
Table locks waited Documentation 21.8 k 21788 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 685.7 M 685713203
Table open cache misses Documentation 89.3 M 89277208
Table open cache overflows Documentation 59.5 M 59507863
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 190 190 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 83 83 The number of currently open connections.
Threads created Documentation 849 849 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 2 2 The number of threads that are not sleeping.
Transactions gtid foreign engine Documentation 0 0
Transactions multi engine Documentation 0 0
Update scan Documentation 14.2 k 14240
Uptime Documentation 2 days, 0 hours, 23 minutes and 42 seconds 174222
Uptime since flush status Documentation 2 days, 0 hours, 23 minutes and 42 seconds 174222
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 % 27.13 % 27.127075195312 Percentage of used key cache (calculated value)
Key write ratio % 94.74 % 94.743627297923 Percentage of physical writes compared to write requests (calculated value)
Key read ratio % 0.16 % 0.15776307083109 Key cache miss calculated as rate of physical reads compared to read requests (calculated value)
Threads cache hitrate % 99.98 % 99.979707069517 Thread cache hit rate (calculated value)