Difference between revisions of "MariaDB slow queries"
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| Line 13: | Line 13: | ||
log-queries-not-using-indexes | log-queries-not-using-indexes | ||
| − | + | == [[Nagios]] == | |
[[/usr/lib/nagios/plugins/check_mysql]] | [[/usr/lib/nagios/plugins/check_mysql]] | ||
Uptime: 1133648 Threads: 14 Questions: 159793336 Slow queries: 1718223 Opens: 191 Flush tables: 1 Open tables: 184 Queries per second avg: 140.954|Connections=2757900c;;; Open_files=57;;; Open_tables=184;;; Qcache_free_memory=2423328;;; Qcache_hits=38449185c;;; Qcache_inserts=106590640c;;; Qcache_lowmem_prunes=105448285c;;; Qcache_not_cached=342783c;;; Qcache_queries_in_cache=3589;;; Queries=159793336c;;; Questions=159793336c;;; Table_locks_waited=0c;;; Threads_connected=1;;; Threads_running=6;;; Uptime=1133648c;;; | Uptime: 1133648 Threads: 14 Questions: 159793336 Slow queries: 1718223 Opens: 191 Flush tables: 1 Open tables: 184 Queries per second avg: 140.954|Connections=2757900c;;; Open_files=57;;; Open_tables=184;;; Qcache_free_memory=2423328;;; Qcache_hits=38449185c;;; Qcache_inserts=106590640c;;; Qcache_lowmem_prunes=105448285c;;; Qcache_not_cached=342783c;;; Qcache_queries_in_cache=3589;;; Queries=159793336c;;; Questions=159793336c;;; Table_locks_waited=0c;;; Threads_connected=1;;; Threads_running=6;;; Uptime=1133648c;;; | ||
Latest revision as of 09:25, 19 December 2024
https://mariadb.com/kb/en/slow-query-log/
/etc/mysql/mariadb.conf.d/50-server.cnf /var/log/mysql/mariadb-slow.log systemctl restart mariadb && systemctl status mariadb
/etc/mysql/mariadb.conf.d/50-server.cnf #Enable the slow query log to see queries with especially long duration slow_query_log_file = /var/log/mysql/mariadb-slow.log long_query_time = 10 log_slow_rate_limit = 1000 log_slow_verbosity = query_plan log-queries-not-using-indexes
Nagios[edit]
/usr/lib/nagios/plugins/check_mysql Uptime: 1133648 Threads: 14 Questions: 159793336 Slow queries: 1718223 Opens: 191 Flush tables: 1 Open tables: 184 Queries per second avg: 140.954|Connections=2757900c;;; Open_files=57;;; Open_tables=184;;; Qcache_free_memory=2423328;;; Qcache_hits=38449185c;;; Qcache_inserts=106590640c;;; Qcache_lowmem_prunes=105448285c;;; Qcache_not_cached=342783c;;; Qcache_queries_in_cache=3589;;; Queries=159793336c;;; Questions=159793336c;;; Table_locks_waited=0c;;; Threads_connected=1;;; Threads_running=6;;; Uptime=1133648c;;;
Related[edit]
- AWS RDS query logging,
log_statementandlog_min_duration_statement 504 Gateway Time-outpt-query-digestmysqldump --single-transaction- PostgreSQL: log_duration
- mariadb-dumpslow
- mysqldumpslow
- systemctl restart php* && systemctl status php*
- SHOW PROCESSLIST;
- MySQL Workbench
See also[edit]
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