MySQL Metrics
See Application Integrations for more information.
mysql.galera.wsrep_cluster_size
The current number of nodes in the Galera cluster.
mysql.innodb.buffer_pool_free
The number of free pages in the InnoDB Buffer Pool.
mysql.innodb.buffer_pool_total
The total number of pages in the InnoDB Buffer Pool.
mysql.innodb.buffer_pool_used
The number of used pages in the InnoDB Buffer Pool.
mysql.innodb.buffer_pool_utilization
The utilization of the InnoDB Buffer Pool.
mysql.innodb.current_row_locks
The number of current row locks.
mysql.innodb.data_reads
The rate of data reads.
mysql.innodb.data_writes
The rate of data writes.
mysql.innodb.mutex_os_waits
The rate of mutex OS waits.
mysql.innodb.mutex_spin_rounds
The rate of mutex spin rounds.
mysql.innodb.mutex_spin_waits
The rate of mutex spin waits.
mysql.innodb.os_log_fsyncs
The rate of fsync writes to the log file.
mysql.innodb.row_lock_time
The fraction of time spent (ms/s) acquring row locks.
mysql.innodb.row_lock_waits
The number of times per second a row lock had to be waited for.
mysql.net.connections
The rate of connections to the server.
mysql.net.max_connections
The maximum number of connections that have been in use simultaneously since the server started.
mysql.performance.com_delete
The rate of delete statements.
mysql.performance.com_delete_multi
The rate of delete-multi statements.
mysql.performance.com_insert
The rate of insert statements.
mysql.performance.com_insert_select
The rate of insert-select statements.
mysql.performance.com_replace_select
The rate of replace-select statements.
mysql.performance.com_select
The rate of select statements.
mysql.performance.com_update
The rate of update statements.
mysql.performance.com_update_multi
The rate of update-multi.
mysql.performance.created_tmp_disk_tables
The rate of internal on-disk temporary tables created by second by the server while executing statements.
mysql.performance.created_tmp_files
The rate of temporary files created by second.
mysql.performance.created_tmp_tables
The rate of internal temporary tables created by second by the server while executing statements.
mysql.performance.kernel_time
The percentage of CPU time spent in kernel space by MySQL.
mysql.performance.key_cache_utilization
The key cache utilization ratio.
mysql.performance.open_files
The number of open files.
mysql.performance.open_tables
The number of of tables that are open.
mysql.performance.qcache_hits
The rate of query cache hits.
mysql.performance.queries
The rate of queries.
mysql.performance.questions
The rate of statements executed by the server.
mysql.performance.slow_queries
The rate of slow queries.
mysql.performance.table_locks_waited
The total number of times that a request for a table lock could not be granted immediately and a wait was needed.
mysql.performance.table_locks_waited.gauge
mysql.performance.threads_connected
The number of currently open connections.
mysql.performance.threads_running
The number of threads that are not sleeping.
mysql.performance.user_time
The percentage of CPU time spent in user space by MySQL.
mysql.replication.seconds_behind_master
The lag in seconds between the master and the slave.
mysql.replication.slave_running
A boolean showing if this server is a replication slave that is connected to a replication master.
mysql.replication.slaves_connected
The number of slaves connected to a replication master.
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