From d832db4ac26135bd979168f470906c8fefec3346 Mon Sep 17 00:00:00 2001 From: Nikolas Kanakis Date: Fri, 29 Jun 2018 06:18:11 +0300 Subject: [PATCH] Replace broken SQL tuning links (#163) --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 1b4673b..b22f83c 100644 --- a/README.md +++ b/README.md @@ -928,11 +928,11 @@ Benchmarking and profiling might point you to the following optimizations. ##### Tune the query cache -* In some cases, the [query cache](http://dev.mysql.com/doc/refman/5.7/en/query-cache) could lead to [performance issues](https://www.percona.com/blog/2014/01/28/10-mysql-performance-tuning-settings-after-installation/). +* In some cases, the [query cache](https://dev.mysql.com/doc/refman/5.7/en/query-cache.html) could lead to [performance issues](https://www.percona.com/blog/2016/10/12/mysql-5-7-performance-tuning-immediately-after-installation/). ##### Source(s) and further reading: SQL tuning -* [Tips for optimizing MySQL queries](http://20bits.com/article/10-tips-for-optimizing-mysql-queries-that-dont-suck) +* [Tips for optimizing MySQL queries](http://aiddroid.com/10-tips-optimizing-mysql-queries-dont-suck/) * [Is there a good reason i see VARCHAR(255) used so often?](http://stackoverflow.com/questions/1217466/is-there-a-good-reason-i-see-varchar255-used-so-often-as-opposed-to-another-l) * [How do null values affect performance?](http://stackoverflow.com/questions/1017239/how-do-null-values-affect-performance-in-a-database-search) * [Slow query log](http://dev.mysql.com/doc/refman/5.7/en/slow-query-log.html)