http://zapili.net/vps/articles/shpargalka-po-komandam-mysql/
https://dev.mysql.com/doc/mysql-yum-repo-quick-guide/en/#repo-qg-yum-fresh-install
https://artkiev.com/blog/mysql-optimization-query-cache.htm
https://haydenjames.io/mysql-query-cache-size-performance/
https://www.digitalocean.com/community/tutorials/how-to-use-mytop-to-monitor-mysql-performance
https://stackoverflow.com/questions/173726/when-and-why-are-database-joins-expensive
https://www.infoworld.com/article/3210905/10-essential-performance-tips-for-mysql.html
https://www.percona.com/blog/2006/05/26/myisam-mmap-feature-51/
https://www.percona.com/blog/2017/11/09/mysql-linux-context-switches/
High CPU system time usage on MySQL server - Memory allocators
https://www.remoteshaman.com/unix/common/jemalloc-for-all-app-in-linux
https://www.percona.com/blog/2012/07/05/impact-of-memory-allocators-on-mysql-performance/
https://www.percona.com/blog/2013/03/08/mysql-performance-impact-of-memory-allocators-part-2/
https://blog.programs74.ru/how-to-use-jemalloc-and-tcmalloc-in-oracle-mysql-on-debian-9/
https://www.percona.com/blog/2008/08/12/beware-of-myisam-key-cache-mutex-contention/
https://dev.mysql.com/doc/refman/5.6/en/multiple-key-caches.html
https://www.percona.com/blog/2008/11/26/using-multiple-key-caches-for-myisam-scalability/
https://www.percona.com/blog/2006/05/13/to-pack-or-not-to-pack-myisam-key-compression/
https://www.soliantconsulting.com/blog/mysql-optimization-faster-selects-myisam-fixed-row-format/
https://www.percona.com/blog/2006/06/17/using-myisam-in-production/
https://www.percona.com/blog/2006/06/13/myisam-concurrent-insert/
https://www.percona.com/blog/2016/05/10/query-rewrite-plugin-can-harm-performance/
http://mysqlentomologist.blogspot.com/2017/01/perf-basics-for-mysql-profiling.html
https://www.slideshare.net/MySQLGeek/diagnosing-mysql-performance-problems
https://www.tecmint.com/mysql-mariadb-performance-tuning-and-optimization/4/
https://homeunix.nl/manual/mysql/performance-schema.html
https://www.mysql.com/news-and-events/events/VDD-MySQL-July13/profiling_with_performance_schema.pdf
https://www.percona.com/blog/2015/01/06/getting-mutex-information-from-mysqls-performance_schema/
https://www.percona.com/blog/2008/11/24/using-information_schema-instead-of-shell-scripting/
https://www.percona.com/blog/2011/12/23/solving-information_schema-slowness/
https://www.percona.com/blog/2007/10/12/myisam-scalability-and-innodb-falcon-benchmarks/