MySQL fields
MySQL server status metrics collected from MySQL.
mysql contains the metrics that were obtained from MySQL query.
galera_status contains the metrics that were obtained by the status SQL query on Galera.
Apply status fields.
mysql.galera_status.apply.oooe- How often applier started write-set applying out-of-order (parallelization efficiency).
type: double
mysql.galera_status.apply.oool- How often write-set was so slow to apply that write-set with higher seqno’s were applied earlier. Values closer to 0 refer to a greater gap between slow and fast write-sets.
type: double
mysql.galera_status.apply.window- Average distance between highest and lowest concurrently applied seqno.
type: double
Certification status fields.
mysql.galera_status.cert.deps_distance- Average distance between highest and lowest seqno value that can be possibly applied in parallel (potential degree of parallelization).
type: double
mysql.galera_status.cert.index_size- The number of entries in the certification index.
type: long
mysql.galera_status.cert.interval- Average number of transactions received while a transaction replicates.
type: double
Cluster status fields.
mysql.galera_status.cluster.conf_id- Total number of cluster membership changes happened.
type: long
mysql.galera_status.cluster.size- Current number of members in the cluster.
type: long
mysql.galera_status.cluster.status- Status of this cluster component. That is, whether the node is part of a PRIMARY or NON_PRIMARY component.
type: keyword
Commit status fields.
mysql.galera_status.commit.oooe- How often a transaction was committed out of order.
type: double
mysql.galera_status.commit.window- Average distance between highest and lowest concurrently committed seqno.
type: long
mysql.galera_status.connected- If the value is OFF, the node has not yet connected to any of the cluster components. This may be due to misconfiguration. Check the error log for proper diagnostics.
type: keyword
Evs Fields.
mysql.galera_status.evs.evict- Lists the UUID’s of all nodes evicted from the cluster. Evicted nodes cannot rejoin the cluster until you restart their mysqld processes.
type: keyword
mysql.galera_status.evs.state- Shows the internal state of the EVS Protocol.
type: keyword
Flow Control fields.
mysql.galera_status.flow_ctl.paused- The fraction of time since the last FLUSH STATUS command that replication was paused due to flow control. In other words, how much the slave lag is slowing down the cluster.
type: double
mysql.galera_status.flow_ctl.paused_ns- The total time spent in a paused state measured in nanoseconds.
type: long
mysql.galera_status.flow_ctl.recv- Returns the number of FC_PAUSE events the node has received, including those the node has sent. Unlike most status variables, the counter for this one does not reset every time you run the query.
type: long
mysql.galera_status.flow_ctl.sent- Returns the number of FC_PAUSE events the node has sent. Unlike most status variables, the counter for this one does not reset every time you run the query.
type: long
mysql.galera_status.last_committed- The sequence number, or seqno, of the last committed transaction.
type: long
Node specific Cluster status fields.
mysql.galera_status.local.bf_aborts- Total number of local transactions that were aborted by slave transactions while in execution.
type: long
mysql.galera_status.local.cert_failures- Total number of local transactions that failed certification test.
type: long
mysql.galera_status.local.commits- Total number of local transactions committed.
type: long
Node specific recv fields.
mysql.galera_status.local.recv.queue- Current (instantaneous) length of the recv queue.
type: long
mysql.galera_status.local.recv.queue_avg- Recv queue length averaged over interval since the last FLUSH STATUS command. Values considerably larger than 0.0 mean that the node cannot apply write-sets as fast as they are received and will generate a lot of replication throttling.
type: double
mysql.galera_status.local.recv.queue_max- The maximum length of the recv queue since the last FLUSH STATUS command.
type: long
mysql.galera_status.local.recv.queue_min- The minimum length of the recv queue since the last FLUSH STATUS command.
type: long
mysql.galera_status.local.replays- Total number of transaction replays due to asymmetric lock granularity.
type: long
Node specific sent fields.
mysql.galera_status.local.send.queue- Current (instantaneous) length of the send queue.
type: long
mysql.galera_status.local.send.queue_avg- Send queue length averaged over time since the last FLUSH STATUS command. Values considerably larger than 0.0 indicate replication throttling or network throughput issue.
type: double
mysql.galera_status.local.send.queue_max- The maximum length of the send queue since the last FLUSH STATUS command.
type: long
mysql.galera_status.local.send.queue_min- The minimum length of the send queue since the last FLUSH STATUS command.
type: long
mysql.galera_status.local.state- Internal Galera Cluster FSM state number.
type: keyword
mysql.galera_status.ready- Whether the server is ready to accept queries.
type: keyword
Write-Set receive status fields.
mysql.galera_status.received.count- Total number of write-sets received from other nodes.
type: long
mysql.galera_status.received.bytes- Total size of write-sets received from other nodes.
type: long
Replication status fields.
mysql.galera_status.repl.data_bytes- Total size of data replicated.
type: long
mysql.galera_status.repl.keys- Total number of keys replicated.
type: long
mysql.galera_status.repl.keys_bytes- Total size of keys replicated.
type: long
mysql.galera_status.repl.other_bytes- Total size of other bits replicated.
type: long
mysql.galera_status.repl.count- Total number of write-sets replicated (sent to other nodes).
type: long
mysql.galera_status.repl.bytes- Total size of write-sets replicated.
type: long
performance contains metrics related to the performance of a MySQL instance
Records statement events summarized by schema and digest
mysql.performance.events_statements.max.timer.wait- Maximum wait time of the summarized events that are timed
type: long
mysql.performance.events_statements.last.seen- Time at which the digest was most recently seen
type: date
mysql.performance.events_statements.quantile.95- The 95th percentile of the statement latency, in picoseconds
type: long
mysql.performance.events_statements.digest- Performance schema digest
type: text
mysql.performance.events_statements.count.star- Number of summarized events
type: long
mysql.performance.events_statements.avg.timer.wait- Average wait time of the summarized events that are timed
type: long
mysql.performance.events_statements.schemaname- Schema name.
type: keyword
Records table I/O waits by index
mysql.performance.table_io_waits.object.schema- Schema name
type: keyword
mysql.performance.table_io_waits.object.name- Table name
type: keyword
mysql.performance.table_io_waits.index.name- Name of the index that was used when the table I/O wait event was recorded. PRIMARY indicates that table I/O used the primary index. NULL means that table I/O used no index. Inserts are counted against INDEX_NAME = NULL
type: keyword
mysql.performance.table_io_waits.count.fetch- Number of all fetch operations > 0
type: long
query metricset fetches custom queries from the user to a MySQL instance.
status contains the metrics that were obtained by the status SQL query.
Aborted status fields.
mysql.status.aborted.clients- The number of connections that were aborted because the client died without closing the connection properly.
type: long
mysql.status.aborted.connects- The number of failed attempts to connect to the MySQL server.
type: long
mysql.status.connection.errors.peer_address- The number of errors that occurred while searching for connecting client IP addresses.
type: long
mysql.status.connection.errors.accept- The number of errors that occurred during calls to accept() on the listening port.
type: long
mysql.status.connection.errors.internal- The number of connections refused due to internal errors in the server, such as failure to start a new thread or an out-of-memory condition.
type: long
mysql.status.connection.errors.max- The number of connections refused because the server max_connections limit was reached. thread or an out-of-memory condition.
type: long
mysql.status.connection.errors.tcpwrap- The number of connections refused by the libwrap library.
type: long
mysql.status.connection.errors.select- The number of errors that occurred during calls to select() or poll() on the listening port. (Failure of this operation does not necessarily means a client connection was rejected.)
type: long
SSL session cache hits and misses.
mysql.status.cache.ssl.hits- The number of SSL session cache hits.
type: long
mysql.status.cache.ssl.misses- The number of SSL session cache misses.
type: long
mysql.status.cache.ssl.size- The SSL session cache size.
type: long
mysql.status.cache.table.open_cache.hits- The number of hits for open tables cache lookups.
type: long
mysql.status.cache.table.open_cache.misses- The number of misses for open tables cache lookups.
type: long
mysql.status.cache.table.open_cache.overflows- Number of times, after a table is opened or closed, a cache instance has an unused entry and the size of the instance is larger than table_open_cache / table_open_cache_instances
type: long
mysql.status.binlog.cache.disk_use- type: long
mysql.status.binlog.cache.use- type: long
Bytes stats.
mysql.status.bytes.received- The number of bytes received from all clients.
type: long
format: bytes
mysql.status.bytes.sent- The number of bytes sent to all clients.
type: long
format: bytes
Threads stats.
mysql.status.threads.cached- The number of cached threads.
type: long
mysql.status.threads.created- The number of created threads.
type: long
mysql.status.threads.connected- The number of connected threads.
type: long
mysql.status.threads.running- The number of running threads.
type: long
mysql.status.connections- type: long
mysql.status.created.tmp.disk_tables- type: long
mysql.status.created.tmp.files- type: long
mysql.status.created.tmp.tables- type: long
mysql.status.delayed.errors- type: long
mysql.status.delayed.insert_threads- type: long
mysql.status.delayed.writes- type: long
mysql.status.flush_commands- type: long
mysql.status.max_used_connections- type: long
mysql.status.open.files- type: long
mysql.status.open.streams- type: long
mysql.status.open.tables- type: long
mysql.status.opened_tables- type: long
mysql.status.command.delete- The number of DELETE queries since startup.
type: long
mysql.status.command.insert- The number of INSERT queries since startup.
type: long
mysql.status.command.select- The number of SELECT queries since startup.
type: long
mysql.status.command.update- The number of UPDATE queries since startup.
type: long
mysql.status.queries- The number of statements executed by the server. This variable includes statements executed within stored programs, unlike the Questions variable. It does not count COM_PING or COM_STATISTICS commands.
type: long
mysql.status.questions- The number of statements executed by the server. This includes only statements sent to the server by clients and not statements executed within stored programs, unlike the Queries variable. This variable does not count COM_PING, COM_STATISTICS, COM_STMT_PREPARE, COM_STMT_CLOSE, or COM_STMT_RESET commands.
type: long
mysql.status.handler.commit- The number of internal COMMIT statements.
type: long
mysql.status.handler.delete- The number of times that rows have been deleted from tables.
type: long
mysql.status.handler.external_lock- The server increments this variable for each call to its external_lock() function, which generally occurs at the beginning and end of access to a table instance.
type: long
mysql.status.handler.mrr_init- The number of times the server uses a storage engine’s own Multi-Range Read implementation for table access.
type: long
mysql.status.handler.prepare- A counter for the prepare phase of two-phase commit operations.
type: long
mysql.status.handler.read.first- The number of times the first entry in an index was read.
type: long
mysql.status.handler.read.key- The number of requests to read a row based on a key.
type: long
mysql.status.handler.read.last- The number of requests to read the last key in an index.
type: long
mysql.status.handler.read.next- The number of requests to read the next row in key order.
type: long
mysql.status.handler.read.prev- The number of requests to read the previous row in key order.
type: long
mysql.status.handler.read.rnd- The number of requests to read a row based on a fixed position.
type: long
mysql.status.handler.read.rnd_next- The number of requests to read the next row in the data file.
type: long
mysql.status.handler.rollback- The number of requests for a storage engine to perform a rollback operation.
type: long
mysql.status.handler.savepoint- The number of requests for a storage engine to place a savepoint.
type: long
mysql.status.handler.savepoint_rollback- The number of requests for a storage engine to roll back to a savepoint.
type: long
mysql.status.handler.update- The number of requests to update a row in a table.
type: long
mysql.status.handler.write- The number of requests to insert a row in a table.
type: long
mysql.status.innodb.rows.reads- The number of rows reads into InnoDB tables.
type: long
mysql.status.innodb.rows.inserted- The number of rows inserted into InnoDB tables.
type: long
mysql.status.innodb.rows.deleted- The number of rows deleted into InnoDB tables.
type: long
mysql.status.innodb.rows.updated- The number of rows updated into InnoDB tables.
type: long
mysql.status.innodb.buffer_pool.dump_status- The progress of an operation to record the pages held in the InnoDB buffer pool, triggered by the setting of innodb_buffer_pool_dump_at_shutdown or innodb_buffer_pool_dump_now.
type: long
mysql.status.innodb.buffer_pool.load_status- The progress of an operation to warm up the InnoDB buffer pool by reading in a set of pages corresponding to an earlier point in time, triggered by the setting of innodb_buffer_pool_load_at_startup or innodb_buffer_pool_load_now.
type: long
mysql.status.innodb.buffer_pool.bytes.data- The total number of bytes in the InnoDB buffer pool containing data.
type: long
mysql.status.innodb.buffer_pool.bytes.dirty- The total current number of bytes held in dirty pages in the InnoDB buffer pool.
type: long
mysql.status.innodb.buffer_pool.pages.data- The number of pages in the InnoDB buffer pool containing data.
type: long
mysql.status.innodb.buffer_pool.pages.dirty- The current number of dirty pages in the InnoDB buffer pool.
type: long
mysql.status.innodb.buffer_pool.pages.flushed- The number of requests to flush pages from the InnoDB buffer pool.
type: long
mysql.status.innodb.buffer_pool.pages.free- The number of free pages in the InnoDB buffer pool.
type: long
mysql.status.innodb.buffer_pool.pages.latched- The number of latched pages in the InnoDB buffer pool.
type: long
mysql.status.innodb.buffer_pool.pages.misc- The number of pages in the InnoDB buffer pool that are busy because they have been allocated for administrative overhead, such as row locks or the adaptive hash index.
type: long
mysql.status.innodb.buffer_pool.pages.total- The total size of the InnoDB buffer pool, in pages.
type: long
mysql.status.innodb.buffer_pool.read.ahead- The number of pages read into the InnoDB buffer pool by the read-ahead background thread.
type: long
mysql.status.innodb.buffer_pool.read.ahead_evicted- The number of pages read into the InnoDB buffer pool by the read-ahead background thread that were subsequently evicted without having been accessed by queries.
type: long
mysql.status.innodb.buffer_pool.read.ahead_rnd- The number of "random" read-aheads initiated by InnoDB.
type: long
mysql.status.innodb.buffer_pool.read.requests- The number of logical read requests.
type: long
mysql.status.innodb.buffer_pool.pool.reads- The number of logical reads that InnoDB could not satisfy from the buffer pool, and had to read directly from disk.
type: long
mysql.status.innodb.buffer_pool.pool.resize_status- The status of an operation to resize the InnoDB buffer pool dynamically, triggered by setting the innodb_buffer_pool_size parameter dynamically.
type: long
mysql.status.innodb.buffer_pool.pool.wait_free- Normally, writes to the InnoDB buffer pool happen in the background. When InnoDB needs to read or create a page and no clean pages are available, InnoDB flushes some dirty pages first and waits for that operation to finish. This counter counts instances of these waits.
type: long
mysql.status.innodb.buffer_pool.write_requests- The number of writes done to the InnoDB buffer pool.
type: long