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## BUFFER POOL | |
# flush | |
https://fromdual.com/understanding-innodb-buffer-pool-flushing | |
# read-aheads | |
https://topic.alibabacloud.com/a/about-the-read-ahead-mechanism-for-mysql-buffer-pool_1_41_30030192.html | |
# AHI | |
https://www.percona.com/blog/2016/04/12/is-adaptive-hash-index-in-innodb-right-for-my-workload/ | |
https://dev.mysql.com/doc/refman/5.7/en/innodb-adaptive-hash.html | |
## temp tables | |
https://www.percona.com/blog/temporary-tables-in-mysql-never-ending-story/ | |
https://www.percona.com/blog/session-temporary-tablespaces-and-disk-space-usage | |
## handlers | |
https://fromdual.com/mysql-handler-read-status-variables | |
## INNODB | |
# stats | |
https://dev.mysql.com/doc/refman/8.0/en/innodb-standard-monitor.html | |
https://www.percona.com/blog/2006/07/17/show-innodb-status-walk-through/ | |
# rw locks contention | |
https://mysqlonarm.github.io/Understanding-InnoDB-rwlock-stats/ | |
# mutex contention | |
https://www.percona.com/blog/2019/12/20/contention-in-mysql-innodb-useful-info-from-the-semaphores-section/ | |
http://dimitrik.free.fr/db_STRESS_MySQL_55_and_btr_search_latch_InnoDB_Oct2010.html | |
# io | |
https://www.percona.com/blog/2019/12/18/give-love-to-your-ssds-reduce-innodb_io_capacity_max/ | |
https://www.percona.com/blog/2020/05/14/tuning-mysql-innodb-flushing-for-a-write-intensive-workload/ | |
# redo logs | |
https://www.percona.com/blog/2008/11/21/how-to-calculate-a-good-innodb-log-file-size/ | |
# undo logs and isolation | |
https://blog.jcole.us/2014/04/16/the-basics-of-the-innodb-undo-logging-and-history-system/ | |
https://blog.jcole.us/2014/04/16/a-little-fun-with-innodb-multi-versioning/ | |
https://www.percona.com/blog/2014/10/17/innodb-transaction-history-often-hides-dangerous-debt/ | |
https://www.percona.com/blog/2017/05/08/chasing-a-hung-transaction-in-mysql-innodb-history-length-strikes-back/ | |
## PRIMARY KEYS | |
# random pk | |
https://blog.jcole.us/2014/10/02/visualizing-the-impact-of-ordered-vs-random-index-insertion-in-innodb/ | |
# varchar pk | |
https://www.percona.com/blog/making-aurora-write-latency-15x-higher-or-more-by-choosing-a-bad-primary-key/ | |
# no pk | |
https://blog.jcole.us/2013/05/02/how-does-innodb-behave-without-a-primary-key/ | |
## REPLICATION | |
# row/mixed | |
https://www.percona.com/blog/is-mysql-statement-based-mixed-replication-really-safe/ |
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