Maria DB Optimization ( for WordPress)

oempire · Jun 30, 2020

Hi all

hoping someone can help we have a huge server for just a couple of sites but are not getting the performance we would expect (the site is a big one)

we've run mySQL tuner and would love some input.

The server we are on has 256 GB ram and SSD drives 10 core / 20 thread CPU Intel(R) Xeon(R) CPU E5-2640 v4 @ 2.40GHz

Also running litespeed and LSCACHE

Bash:

 >>  MySQLTuner 1.7.19 - Major Hayden <[email protected]>
 >>  Bug reports, feature requests, and downloads at http://mysqltuner.com/
 >>  Run with '--help' for additional options and output filtering

[--] Skipped version check for MySQLTuner script
[OK] Currently running supported MySQL version 10.3.23-MariaDB-log
[OK] Operating on 64-bit architecture

-------- Log file Recommendations ------------------------------------------------------------------
[OK] Log file /var/lib/mysql/magi.xxxxxxxx.com.err exists
[--] Log file: /var/lib/mysql/magi.xxxxxxxx.com.err(1M)
[OK] Log file /var/lib/mysql/magi.xxxxxxxx.com.err is readable.
[OK] Log file /var/lib/mysql/magi.xxxxxxxx.com.err is not empty
[OK] Log file /var/lib/mysql/magi.xxxxxxxx.com.err is smaller than 32 Mb
[!!] /var/lib/mysql/magi.xxxxxxxx.com.err contains 7929 warning(s).
[!!] /var/lib/mysql/magi.xxxxxxxx.com.err contains 5880 error(s).
[--] 38 start(s) detected in /var/lib/mysql/magi.xxxxxxxx.com.err
[--] 1) 2020-06-21 20:36:52 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 2) 2020-06-15 22:25:05 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 3) 2020-05-29 21:23:24 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 4) 2020-05-13 21:23:16 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 5) 2020-05-13 21:23:06 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 6) 2020-04-30 21:27:24 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 7) 2020-01-29 21:22:30 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 8) 2020-01-29 21:22:17 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 9) 2019-12-18 21:22:04 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 10) 2019-12-12 21:22:21 0 [Note] /usr/sbin/mysqld: ready for connections.
[--] 37 shutdown(s) detected in /var/lib/mysql/magi.xxxxxxxx.com.err
[--] 1) 2020-06-21 20:36:51 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 2) 2020-06-15 22:25:04 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 3) 2020-05-29 21:23:23 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 4) 2020-05-13 21:23:14 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 5) 2020-05-13 21:23:04 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 6) 2020-04-30 21:27:22 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 7) 2020-01-29 21:22:28 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 8) 2020-01-29 21:22:16 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 9) 2019-12-18 21:22:02 0 [Note] /usr/sbin/mysqld: Shutdown complete
[--] 10) 2019-12-12 21:22:20 0 [Note] /usr/sbin/mysqld: Shutdown complete

-------- Storage Engine Statistics -----------------------------------------------------------------
[--] Status: +Aria +CSV +InnoDB +MEMORY +MRG_MyISAM +MyISAM +PERFORMANCE_SCHEMA +SEQUENCE
[--] Data in MyISAM tables: 272.3M (Tables: 105)
[--] Data in InnoDB tables: 9.7G (Tables: 548)
[OK] Total fragmented tables: 0

-------- Analysis Performance Metrics --------------------------------------------------------------
[--] innodb_stats_on_metadata: OFF
[OK] No stat updates during querying INFORMATION_SCHEMA.

-------- Security Recommendations ------------------------------------------------------------------
[OK] There are no anonymous accounts for any database users
[OK] All database users have passwords assigned
[!!] There is no basic password file list!

-------- CVE Security Recommendations --------------------------------------------------------------
[--] Skipped due to --cvefile option undefined

-------- Performance Metrics -----------------------------------------------------------------------
[--] Up for: 9d 0h 2m 51s (2B q [3K qps], 906K conn, TX: 2373G, RX: 624G)
[--] Reads / Writes: 98% / 2%
[--] Binary logging is disabled
[--] Physical Memory     : 251.6G
[--] Max MySQL memory    : 73.1G
[--] Other process memory: 0B
[--] Total buffers: 8.4G global + 258.9M per thread (256 max threads)
[--] P_S Max memory usage: 0B
[--] Galera GCache Max memory usage: 0B
[OK] Maximum reached memory usage: 23.3G (9.26% of installed RAM)
[OK] Maximum possible memory usage: 73.1G (29.06% of installed RAM)
[OK] Overall possible memory usage with other process is compatible with memory available
[OK] Slow queries: 0% (2K/2B)
[OK] Highest usage of available connections: 23% (59/256)
[OK] Aborted connections: 0.05%  (421/906181)
[!!] name resolution is active : a reverse name resolution is made for each new connection and can reduce performance
[!!] Query cache may be disabled by default due to mutex contention.
[!!] Query cache efficiency: 0.0% (0 cached / 2B selects)
[OK] Query cache prunes per day: 0
[OK] Sorts requiring temporary tables: 0% (745 temp sorts / 2B sorts)
[!!] Joins performed without indexes: 21052
[!!] Temporary tables created on disk: 72% (8M on disk / 11M total)
[OK] Thread cache hit rate: 99% (59 created / 906K connections)
[OK] Table cache hit rate: 38% (874 open / 2K opened)
[!!] table_definition_cache(400) is lower than number of tables(918)
[OK] Open file limit used: 0% (264/40K)
[OK] Table locks acquired immediately: 99% (9M immediate / 9M locks)

-------- Performance schema ------------------------------------------------------------------------
[--] Performance schema is disabled.
[--] Memory used by P_S: 0B
[--] Sys schema is installed.

-------- ThreadPool Metrics ------------------------------------------------------------------------
[--] ThreadPool stat is enabled.
[--] Thread Pool Size: 40 thread(s).
[--] Using default value is good enough for your version (10.3.23-MariaDB-log)

-------- MyISAM Metrics ----------------------------------------------------------------------------
[!!] Key buffer used: 31.5% (42M used / 134M cache)
[OK] Key buffer size / total MyISAM indexes: 128.0M/91.7M
[OK] Read Key buffer hit rate: 100.0% (318M cached / 74K reads)
[!!] Write Key buffer hit rate: 67.9% (4M cached / 3M writes)

-------- InnoDB Metrics ----------------------------------------------------------------------------
[--] InnoDB is enabled.
[--] InnoDB Thread Concurrency: 0
[OK] InnoDB File per table is activated
[!!] InnoDB buffer pool / data size: 8.0G/9.7G
[!!] Ratio InnoDB log file size / InnoDB Buffer pool size (50 %): 2.0G * 2/8.0G should be equal to 25%
[OK] InnoDB buffer pool instances: 8
[--] Number of InnoDB Buffer Pool Chunk : 64 for 8 Buffer Pool Instance(s)
[OK] Innodb_buffer_pool_size aligned with Innodb_buffer_pool_chunk_size & Innodb_buffer_pool_instances
[OK] InnoDB Read buffer efficiency: 100.00% (501040406306 hits/ 501040918568 total)
[OK] InnoDB Write log efficiency: 99.63% (209546395 hits/ 210315550 total)
[OK] InnoDB log waits: 0.00% (0 waits / 769155 writes)

-------- AriaDB Metrics ----------------------------------------------------------------------------
[--] AriaDB is enabled.
[OK] Aria pagecache size / total Aria indexes: 128.0M/1B
[OK] Aria pagecache hit rate: 98.4% (754M cached / 12M reads)

-------- TokuDB Metrics ----------------------------------------------------------------------------
[--] TokuDB is disabled.

-------- XtraDB Metrics ----------------------------------------------------------------------------
[--] XtraDB is disabled.

-------- Galera Metrics ----------------------------------------------------------------------------
[--] Galera is disabled.

-------- Replication Metrics -----------------------------------------------------------------------
[--] Galera Synchronous replication: NO
[--] No replication slave(s) for this server.
[--] Binlog format: MIXED
[--] XA support enabled: ON
[--] Semi synchronous replication Master: OFF
[--] Semi synchronous replication Slave: OFF
[--] This is a standalone server

-------- Recommendations ---------------------------------------------------------------------------
General recommendations:
    Control warning line(s) into /var/lib/mysql/magi.mysticmedusa.com.err file
    Control error line(s) into /var/lib/mysql/magi.mysticmedusa.com.err file
    Configure your accounts with ip or subnets only, then update your configuration with skip-name-resolve=1
    We will suggest raising the 'join_buffer_size' until JOINs not using indexes are found.
             See https://dev.mysql.com/doc/internals/en/join-buffer-size.html
             (specially the conclusions at the bottom of the page).
    When making adjustments, make tmp_table_size/max_heap_table_size equal
    Reduce your SELECT DISTINCT queries which have no LIMIT clause
    Performance schema should be activated for better diagnostics
    Before changing innodb_log_file_size and/or innodb_log_files_in_group read this: https://bit.ly/2TcGgtU
Variables to adjust:
    query_cache_size (=0)
    query_cache_type (=0)
    query_cache_limit (> 1M, or use smaller result sets)
    join_buffer_size (> 256.0K, or always use indexes with JOINs)
    tmp_table_size (> 128M)
    max_heap_table_size (> 128M)
    table_definition_cache(400) > 918 or -1 (autosizing if supported)
    performance_schema = ON enable PFS
    innodb_buffer_pool_size (>= 9.7G) if possible.
    innodb_log_file_size should be (=1G) if possible, so InnoDB total log files size equals to 25% of buffer pool size.

cPanelLauren · Jun 30, 2020

Have you made any modifications based off the recommendations of MySQL tuner at this point?

ZenHostingTravis · Jul 1, 2020

That's a powerful server.

The Litespeed team would be able to assist you with fine-tuning.

oempire · Jul 1, 2020

cPanelLauren said:
Have you made any modifications based off the recommendations of MySQL tuner at this point?

no not yet, was getting some advice first

Also we were thinking of installing LSMCD

oempire · Jul 1, 2020

ZenHostingTravis said:
That's a powerful server.

The Litespeed team would be able to assist you with fine-tuning.

Im not sure where to get the support for litespeed sides of things - do i get it through cpanel or litespeed i sifgned up through cpanel easyapache/store so dont have a login to litespeed directly

cPanelLauren · Jul 1, 2020

So I can say usually going with their recommendations is usually the best bet. There are some others here who may be able to provide you with additional advice. You could also hire a sysadmin service to optimize it as well, if you don't have one you might find one here: System Administration Services

For Litespeed, if you purchased your license through us you are welcome to open a ticket with us, or ask your question here

oempire · Jul 15, 2020

Hi Lauren actually i checked my my.cnf and its empty is there a standard one you could recommend as a minimum ??

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Maria DB Optimization ( for WordPress)

oempire

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cPanelLauren

Product Owner II

ZenHostingTravis

Well-Known Member

oempire

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oempire

Member

cPanelLauren

Product Owner II

oempire

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