Difference between revisions of "MariaDB slow queries"
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| Line 5: | Line 5: | ||
[[systemctl restart mariadb]] && [[systemctl status mariadb]] | [[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 | #Enable the slow query log to see queries with especially long duration | ||
slow_query_log_file = [[/var/log/mysql/mariadb-slow.log]] | slow_query_log_file = [[/var/log/mysql/mariadb-slow.log]] | ||
Revision as of 16:20, 27 September 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
/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
- AWS RDS query logging,
log_statementandlog_min_duration_statement 504 Gateway Time-outpt-query-digestmysqldump --single-transaction- PostgreSQL: log_duration
See also
- MariaDB:
mariadbcheck,mariabackup,mysqldump, MyRocks,show (MariaDB)MariaDB Changelog,50-server.cnf, MariaDB engines, .ibd, .myd, .myi,/var/log/mysql/error.log, /var/log/mysql/mariadb-slow.log, MariaDB files:.frm,.ibd,/etc/mysql/mariadb.conf.d/50-server.cnf, replication, MariaDB slow queries,show databases;, Aria, MyISAM, MariaDB SkySQL, binary log, 3306,/etc/mysql/
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