Tag - query cache

ProxySQL Query Cache: What It Is, How It Works

ProxySQL query cache

In this blog post, I’ll present the ProxySQL query cache functionality. This is a query caching mechanism on top of ProxySQL. As there are already many how-tos regarding the ProxySQL prerequisites and installation process, we are going to skip these steps. For those who are already familiar with ProxySQL query cache configuration, let’s go […]

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How to Fully Disable Query Cache in MySQL

disable query cache in MySQL.

This blog post was motivated by an internal discussion about how to fully disable query cache in MySQL.
According to the manual, we should be able to disable “Query Cache” on the fly by changing
query_cache_type to 0, but as we will show this is not fully true. This blog will show you how to properly disable “query […]

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Measure the impact of MySQL configuration changes with Percona Cloud Tools

When you make a change to your MySQL configuration in production it would be great to know the impact (a “before and after” type of picture). Some changes are obvious. For many variables proper values can be determined beforehand, i.e. innodb_buffer_pool_size or innodb_log_file_size. However, there is 1 configuration variable which is much less obvious for many […]

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Advanced MySQL Query Tuning: Webinar followup Q&A

Thanks to all who attended my “MySQL Query Tuning” webinar on July 24.  If you missed it, you can you can download the slides and also watch the recorded video. Thank you for the excellent questions after the webinar as well. Query tuning is a big topic and, due to the limited time, I […]

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