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Add more galera metrics #10675

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merged 3 commits into from
Dec 7, 2021
Merged

Add more galera metrics #10675

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97157c9
add more galera useful metric for mysql
aymeric-ledizes Nov 18, 2021
66fe356
add wresp_received, wresp_local_state and wresp_local_cert_failures
aymeric-ledizes Nov 22, 2021
9adb0ce
set wsrep_local_cert_failures as MONOTONIC
aymeric-ledizes Dec 6, 2021
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5 changes: 5 additions & 0 deletions mysql/datadog_checks/mysql/const.py
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Expand Up @@ -235,6 +235,11 @@
'wsrep_flow_control_sent': ('mysql.galera.wsrep_flow_control_sent', MONOTONIC),
'wsrep_cert_deps_distance': ('mysql.galera.wsrep_cert_deps_distance', GAUGE),
'wsrep_local_send_queue_avg': ('mysql.galera.wsrep_local_send_queue_avg', GAUGE),
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'wsrep_replicated_bytes': ('mysql.galera.wsrep_replicated_bytes', GAUGE),
'wsrep_received_bytes': ('mysql.galera.wsrep_received_bytes', GAUGE),
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'wsrep_received': ('mysql.galera.wsrep_received', GAUGE),
'wsrep_local_state': ('mysql.galera.wsrep_local_state', GAUGE),
'wsrep_local_cert_failures': ('mysql.galera.wsrep_local_cert_failures', MONOTONIC),
}

PERFORMANCE_VARS = {
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5 changes: 5 additions & 0 deletions mysql/metadata.csv
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Expand Up @@ -192,6 +192,11 @@ mysql.galera.wsrep_flow_control_recv,count,,,,"Shows the number of times the gal
mysql.galera.wsrep_flow_control_sent,count,,,,"Shows the number of times the galera node has sent a pausing Flow Control message to others",0,mysql,mysql galera wsrep_flow_control_sent
mysql.galera.wsrep_cert_deps_distance,gauge,,,,"Shows the average distance between the lowest and highest sequence number, or seqno, values that the node can possibly apply in parallel.",0,mysql,mysql galera wsrep_cert_deps_distance
mysql.galera.wsrep_local_send_queue_avg,gauge,,,,"Show an average for the send queue length since the last FLUSH STATUS query.",0,mysql,mysql galera wsrep_local_send_queue_avg
mysql.galera.wsrep_replicated_bytes,gauge,,,,"Total size (in bytes) of writesets sent to other nodes.",0,mysql,mysql galera wsrep_replicated_bytes
mysql.galera.wsrep_received_bytes,gauge,,,,"Total size (in bytes) of writesets received from other nodes.",0,mysql,mysql galera wsrep_received_bytes
mysql.galera.wsrep_received,gauge,,,,"Total number of write-sets received from other nodes.",0,mysql,mysql galera wsrep_received
mysql.galera.wsrep_local_state,gauge,,,,"Internal Galera cluster state number",0,mysql,mysql galera wsrep_local_state
mysql.galera.wsrep_local_cert_failures,count,,,,"Total number of local transactions that failed certification test.",0,mysql,mysql galera wsrep_local_cert_failures
mysql.performance.qcache.utilization,gauge,,fraction,,Fraction of the query cache memory currently being used.,0,mysql,mysql performance qcache utilization
mysql.performance.digest_95th_percentile.avg_us,gauge,,microsecond,,Query response time 95th percentile per schema.,0,mysql,mysql response time 95th
mysql.performance.query_run_time.avg,gauge,,microsecond,,Avg query response time per schema.,0,mysql,mysql response time avg
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