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VariableValueDescription
Aborted clientsDocumentation3 3The number of connections that were aborted because the client died without closing the connection properly.
Aborted connectsDocumentation00The number of failed attempts to connect to the MySQL server.
Binlog cache disk useDocumentation4 4The 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 useDocumentation72 72The number of transactions that used the temporary binary log cache.
Binlog stmt cache disk useDocumentation00
Binlog stmt cache useDocumentation2 2
Bytes receivedDocumentation2.4 G2390843488
Bytes sentDocumentation5.1 G5107797090
Com admin commandsDocumentation5 5
Com assign to keycacheDocumentation00
Com alter dbDocumentation2 2
Com alter db upgradeDocumentation00
Com alter eventDocumentation00
Com alter functionDocumentation00
Com alter instanceDocumentation00
Com alter procedureDocumentation00
Com alter serverDocumentation00
Com alter tableDocumentation00
Com alter tablespaceDocumentation00
Com alter userDocumentation00
Com analyzeDocumentation00
Com beginDocumentation3 3
Com binlogDocumentation00
Com call procedureDocumentation00
Com change dbDocumentation543.5 k543546
Com change masterDocumentation00
Com change repl filterDocumentation00
Com checkDocumentation00
Com checksumDocumentation00
Com commitDocumentation00
Com create dbDocumentation2 2
Com create eventDocumentation00
Com create functionDocumentation00
Com create indexDocumentation00
Com create procedureDocumentation00
Com create serverDocumentation00
Com create tableDocumentation00
Com create triggerDocumentation00
Com create udfDocumentation00
Com create userDocumentation00
Com create viewDocumentation00
Com deleteDocumentation2 2
Com delete multiDocumentation00
Com doDocumentation00
Com drop dbDocumentation00
Com drop eventDocumentation00
Com drop functionDocumentation00
Com drop indexDocumentation00
Com drop procedureDocumentation00
Com drop serverDocumentation00
Com drop tableDocumentation00
Com drop triggerDocumentation00
Com drop userDocumentation00
Com drop viewDocumentation00
Com empty queryDocumentation00
Com explain otherDocumentation00
Com flushDocumentation00
Com get diagnosticsDocumentation00
Com grantDocumentation00
Com ha closeDocumentation00
Com ha openDocumentation00
Com ha readDocumentation00
Com helpDocumentation00
Com insertDocumentation27 27
Com insert selectDocumentation00
Com install pluginDocumentation00
Com killDocumentation00
Com loadDocumentation00
Com lock tablesDocumentation188 188
Com optimizeDocumentation00
Com preload keysDocumentation00
Com purgeDocumentation00
Com purge before dateDocumentation00
Com release savepointDocumentation00
Com rename tableDocumentation00
Com rename userDocumentation00
Com repairDocumentation00
Com replaceDocumentation00
Com replace selectDocumentation00
Com resetDocumentation1 1
Com resignalDocumentation00
Com revokeDocumentation00
Com revoke allDocumentation00
Com rollbackDocumentation00
Com rollback to savepointDocumentation00
Com savepointDocumentation00
Com selectDocumentation3.8 M3781638
Com set optionDocumentation886.8 k886835
Com signalDocumentation00
Com show binlog eventsDocumentation00
Com show binlogsDocumentation106 k106019
Com show charsetsDocumentation00
Com show collationsDocumentation00
Com show create dbDocumentation00
Com show create eventDocumentation00
Com show create funcDocumentation00
Com show create procDocumentation00
Com show create tableDocumentation16.4 k16377
Com show create triggerDocumentation00
Com show databasesDocumentation2 2
Com show engine logsDocumentation00
Com show engine mutexDocumentation00
Com show engine statusDocumentation00
Com show eventsDocumentation00
Com show errorsDocumentation00
Com show fieldsDocumentation572.6 k572604
Com show function codeDocumentation00
Com show function statusDocumentation00
Com show grantsDocumentation287.6 k287634
Com show keysDocumentation792.4 k792444
Com show master statusDocumentation29.8 k29813
Com show open tablesDocumentation00
Com show pluginsDocumentation4.6 k4590
Com show privilegesDocumentation00
Com show procedure codeDocumentation00
Com show procedure statusDocumentation00
Com show processlistDocumentation2.8 k2754
Com show profileDocumentation3 3
Com show profilesDocumentation00
Com show relaylog eventsDocumentation00
Com show slave hostsDocumentation1 1
Com show slave statusDocumentation29.8 k29809
Com show statusDocumentation21.5 k21537
Com show storage enginesDocumentation6 k6014
Com show table statusDocumentation56.9 k56946
Com show tablesDocumentation288 k287974
Com show triggersDocumentation3.9 k3948
Com show variablesDocumentation84.4 k84397
Com show warningsDocumentation4.3 k4251
Com show create userDocumentation00
Com shutdownDocumentation00
Com slave startDocumentation00
Com slave stopDocumentation00
Com group replication startDocumentation00
Com group replication stopDocumentation00
Com stmt executeDocumentation79 79
Com stmt closeDocumentation79 79
Com stmt fetchDocumentation00
Com stmt prepareDocumentation79 79
Com stmt resetDocumentation00
Com stmt send long dataDocumentation00
Com truncateDocumentation00
Com uninstall pluginDocumentation00
Com unlock tablesDocumentation188 188
Com updateDocumentation54 54
Com update multiDocumentation00
Com xa commitDocumentation00
Com xa endDocumentation00
Com xa prepareDocumentation00
Com xa recoverDocumentation00
Com xa rollbackDocumentation00
Com xa startDocumentation00
Com stmt reprepareDocumentation00
Connection errors acceptDocumentation00
Connection errors internalDocumentation00
Connection errors max connectionsDocumentation00
Connection errors peer addressDocumentation00
Connection errors selectDocumentation00
Connection errors tcpwrapDocumentation00
ConnectionsDocumentation12.9 M12869766The number of connection attempts (successful or not) to the MySQL server.
Created tmp disk tablesDocumentation1 M1014380The 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 filesDocumentation10 10How many temporary files mysqld has created.
Created tmp tablesDocumentation9.9 M9928120The number of in-memory temporary tables created automatically by the server while executing statements.
Delayed errorsDocumentation00The number of rows written with INSERT DELAYED for which some error occurred (probably duplicate key).
Delayed insert threadsDocumentation00The number of INSERT DELAYED handler threads in use. Every different table on which one uses INSERT DELAYED gets its own thread.
Delayed writesDocumentation00The number of INSERT DELAYED rows written.
Flush commandsDocumentation1 1The number of executed FLUSH statements.
Handler commitDocumentation31.5 k31452The number of internal COMMIT statements.
Handler deleteDocumentation3 3The number of times a row was deleted from a table.
Handler discoverDocumentation00The 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 lockDocumentation296.5 k296487
Handler mrr initDocumentation00
Handler prepareDocumentation144 144
Handler read firstDocumentation792 k792033The 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 keyDocumentation1.2 M1218930The 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 lastDocumentation00
Handler read nextDocumentation1.3 M1287784The 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 prevDocumentation00The number of requests to read the previous row in key order. This read method is mainly used to optimize ORDER BY … DESC.
Handler read rndDocumentation3 M2974654The 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 nextDocumentation164.3 M164337777The 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 rollbackDocumentation2 2The number of internal ROLLBACK statements.
Handler savepointDocumentation00
Handler savepoint rollbackDocumentation00
Handler updateDocumentation145 145The number of requests to update a row in a table.
Handler writeDocumentation108.7 M108683488The number of requests to insert a row in a table.
Innodb buffer pool dump statusDocumentationDumping of buffer pool not startedDumping of buffer pool not started
Innodb buffer pool load statusDocumentationBuffer pool(s) load completed at 191125 18:54:10Buffer pool(s) load completed at 191125 18:54:10
Innodb buffer pool resize statusDocumentation
Innodb buffer pool pages dataDocumentation577 577The number of pages containing data (dirty or clean).
Innodb buffer pool bytes dataDocumentation9.5 M9453568
Innodb buffer pool pages dirtyDocumentation00The number of pages currently dirty.
Innodb buffer pool bytes dirtyDocumentation00
Innodb buffer pool pages flushedDocumentation7.8 k7834The number of buffer pool pages that have been requested to be flushed.
Innodb buffer pool pages freeDocumentation3.5 k3518The number of free pages.
Innodb buffer pool pages miscDocumentation00The 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 totalDocumentation4.1 k4095Total size of buffer pool, in pages.
Innodb buffer pool read ahead rndDocumentation00The 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 aheadDocumentation00
Innodb buffer pool read ahead evictedDocumentation00
Innodb buffer pool read requestsDocumentation23.2 M23246983The number of logical read requests InnoDB has done.
Innodb buffer pool readsDocumentation510 510The number of logical reads that InnoDB could not satisfy from buffer pool and had to do a single-page read.
Innodb buffer pool wait freeDocumentation00Normally, 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 requestsDocumentation20 M20005643The number writes done to the InnoDB buffer pool.
Innodb data fsyncsDocumentation578 578The number of fsync() operations so far.
Innodb data pending fsyncsDocumentation00The current number of pending fsync() operations.
Innodb data pending readsDocumentation00The current number of pending reads.
Innodb data pending writesDocumentation00The current number of pending writes.
Innodb data readDocumentation8.4 M8425984The amount of data read so far, in bytes.
Innodb data readsDocumentation579 579The total number of data reads.
Innodb data writesDocumentation8.3 k8296The total number of data writes.
Innodb data writtenDocumentation134.7 M134663680The amount of data written so far, in bytes.
Innodb dblwr pages writtenDocumentation359 359The number of pages that have been written for doublewrite operations.
Innodb dblwr writesDocumentation62 62The number of doublewrite operations that have been performed.
Innodb log waitsDocumentation00The 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 requestsDocumentation359 359The number of log write requests.
Innodb log writesDocumentation265 265The number of physical writes to the log file.
Innodb os log fsyncsDocumentation385 385The number of fsync() writes done to the log file.
Innodb os log pending fsyncsDocumentation00The number of pending log file fsyncs.
Innodb os log pending writesDocumentation00Pending log file writes.
Innodb os log writtenDocumentation368.1 k368128The number of bytes written to the log file.
Innodb page sizeDocumentation16.4 k16384The 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 createdDocumentation68 68The number of pages created.
Innodb pages readDocumentation509 509The number of pages read.
Innodb pages writtenDocumentation7.8 k7834The number of pages written.
Innodb row lock current waitsDocumentation00The number of row locks currently being waited for.
Innodb row lock timeDocumentation00The total time spent in acquiring row locks, in milliseconds.
Innodb row lock time avgDocumentation00The average time to acquire a row lock, in milliseconds.
Innodb row lock time maxDocumentation00The maximum time to acquire a row lock, in milliseconds.
Innodb row lock waitsDocumentation00The number of times a row lock had to be waited for.
Innodb rows deletedDocumentation3 3The number of rows deleted from InnoDB tables.
Innodb rows insertedDocumentation7.1 M7118386The number of rows inserted in InnoDB tables.
Innodb rows readDocumentation8.3 M8333759The number of rows read from InnoDB tables.
Innodb rows updatedDocumentation45 45The number of rows updated in InnoDB tables.
Innodb num open filesDocumentation61 61
Innodb truncated status writesDocumentation00
Innodb available undo logsDocumentation128 128
Key blocks not flushedDocumentation00The 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 unusedDocumentation6.7 k6696The 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 usedDocumentation3 3The 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 read requestsDocumentation30 k29990The number of requests to read a key block from the cache.
Key readsDocumentation5 5The 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 requestsDocumentation00The number of requests to write a key block to the cache.
Key writesDocumentation00The number of physical writes of a key block to disk.
Locked connectsDocumentation00
Max execution time exceededDocumentation00
Max execution time setDocumentation00
Max execution time set failedDocumentation00
Max used connectionsDocumentation123 123The maximum number of connections that have been in use simultaneously since the server started.
Max used connections timeDocumentation2020-02-27 18:10:582020-02-27 18:10:58
Not flushed delayed rowsDocumentation00The number of rows waiting to be written in INSERT DELAYED queues.
Ongoing anonymous transaction countDocumentation00
Open filesDocumentation18 18The number of files that are open.
Open streamsDocumentation00The number of streams that are open (used mainly for logging).
Open table definitionsDocumentation151 151
Open tablesDocumentation1 k1024The number of tables that are open.
Opened filesDocumentation275 275
Opened table definitionsDocumentation151 151
Opened tablesDocumentation2.4 k2431The number of tables that have been opened. If opened tables is big, your table cache value is probably too small.
Performance schema accounts lostDocumentation00
Performance schema cond classes lostDocumentation00
Performance schema cond instances lostDocumentation00
Performance schema digest lostDocumentation32.6 k32621
Performance schema file classes lostDocumentation00
Performance schema file handles lostDocumentation00
Performance schema file instances lostDocumentation00
Performance schema hosts lostDocumentation00
Performance schema index stat lostDocumentation00
Performance schema locker lostDocumentation00
Performance schema memory classes lostDocumentation00
Performance schema metadata lock lostDocumentation00
Performance schema mutex classes lostDocumentation00
Performance schema mutex instances lostDocumentation00
Performance schema nested statement lostDocumentation00
Performance schema prepared statements lostDocumentation00
Performance schema program lostDocumentation00
Performance schema rwlock classes lostDocumentation00
Performance schema rwlock instances lostDocumentation00
Performance schema session connect attrs lostDocumentation00
Performance schema socket classes lostDocumentation00
Performance schema socket instances lostDocumentation00
Performance schema stage classes lostDocumentation00
Performance schema statement classes lostDocumentation00
Performance schema table handles lostDocumentation00
Performance schema table instances lostDocumentation00
Performance schema table lock stat lostDocumentation00
Performance schema thread classes lostDocumentation00
Performance schema thread instances lostDocumentation00
Performance schema users lostDocumentation00
Prepared stmt countDocumentation00
Qcache free blocksDocumentation1 1The 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 memoryDocumentation1 M1031832The amount of free memory for query cache.
Qcache hitsDocumentation00The number of cache hits.
Qcache insertsDocumentation00The number of queries added to the cache.
Qcache lowmem prunesDocumentation00The 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 cachedDocumentation3.5 M3480893The number of non-cached queries (not cachable, or not cached due to the query_cache_type setting).
Qcache queries in cacheDocumentation00The number of queries registered in the cache.
Qcache total blocksDocumentation1 1The total number of blocks in the query cache.
QueriesDocumentation20.5 M20524617
QuestionsDocumentation20.5 M20524458
Select full joinDocumentation263.7 k263688The 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 joinDocumentation00The number of joins that used a range search on a reference table.
Select rangeDocumentation00The number of joins that used ranges on the first table. (It's normally not critical even if this is big.)
Select range checkDocumentation00The 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 scanDocumentation6.9 M6905858The number of joins that did a full scan of the first table.
Slave open temp tablesDocumentation00The number of temporary tables currently open by the slave SQL thread.
Slow launch threadsDocumentation00The number of threads that have taken more than slow_launch_time seconds to create.
Slow queriesDocumentation00The number of queries that have taken more than long_query_time seconds.Documentation
Sort merge passesDocumentation00The 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 rangeDocumentation00The number of sorts that were done with ranges.
Sort rowsDocumentation3 M2974654The number of sorted rows.
Sort scanDocumentation587.1 k587132The number of sorts that were done by scanning the table.
Ssl accept renegotiatesDocumentation00
Ssl acceptsDocumentation00
Ssl callback cache hitsDocumentation00
Ssl cipherDocumentation
Ssl cipher listDocumentation
Ssl client connectsDocumentation00
Ssl connect renegotiatesDocumentation00
Ssl ctx verify depthDocumentation00
Ssl ctx verify modeDocumentation00
Ssl default timeoutDocumentation00
Ssl finished acceptsDocumentation00
Ssl finished connectsDocumentation00
Ssl server not afterDocumentation
Ssl server not beforeDocumentation
Ssl session cache hitsDocumentation00
Ssl session cache missesDocumentation00
Ssl session cache modeDocumentationNONENONE
Ssl session cache overflowsDocumentation00
Ssl session cache sizeDocumentation00
Ssl session cache timeoutsDocumentation00
Ssl sessions reusedDocumentation00
Ssl used session cache entriesDocumentation00
Ssl verify depthDocumentation00
Ssl verify modeDocumentation00
Ssl versionDocumentation
Table locks immediateDocumentation117 k117045The number of times that a table lock was acquired immediately.
Table locks waitedDocumentation00The 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 hitsDocumentation1.4 M1414255
Table open cache missesDocumentation2.4 k2431
Table open cache overflowsDocumentation1.4 k1400
Tc log max pages usedDocumentation00
Tc log page sizeDocumentation00
Tc log page waitsDocumentation00
Threads cachedDocumentation120 120The 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 connectedDocumentation3 3The number of currently open connections.
Threads createdDocumentation123 123The 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 runningDocumentation2 2The number of threads that are not sleeping.
UptimeDocumentation188 days, 0 hours, 26 minutes and 43 seconds16244803
Uptime since flush statusDocumentation188 days, 0 hours, 26 minutes and 43 seconds16244803
Key buffer fraction %18.26 %18.26171875Percentage of used key cache (calculated value)
Key read ratio %0.02 %0.016672224074692Key cache miss calculated as rate of physical reads compared to read requests (calculated value)
Threads cache hitrate %100.00 %99.999044271667Thread cache hit rate (calculated value)
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