How to improve InnoDB performance by 55% for write-bound loads
Update: do not do this, this has been proven to corrupt data!During April’s Percona Live MySQL Conference and Expo 2014, I attended a talk on MySQL 5.7 performance an scalability given by Dimitri Kravtchuk, the Oracle MySQL benchmark specialist. He mentioned at some point that the InnoDB double write buffer was a real performance killer. For the ones that don’t know what the innodb double write bu
OOM relation to vm.swappiness=0 in new kernel
I have recently been involved in diagnosing the reasons behind OOM invocation that would kill the MySQL server process. Of course these servers were primarily running MySQL. As such the MySQL server process was the one with the largest amount of memory allocated. But the strange thing was that in all the cases, there was no swapping activity seen and there were enough pages in the page cache. Iron
The MySQL ARCHIVE storage engine - Alternatives
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Percona Toolkit collection: pt-visual-explain
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High Availability Options for MySQL - October 2013 Update
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Home
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Considering TokuDB as an engine for timeseries data
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Schema changes - what's new in MySQL 5.6?
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MySQL 5.6 vs MySQL 5.5 and the Star Schema Benchmark
MySQL 5.6 vs MySQL 5.5 & the Star Schema Benchmark So far most of the benchmarks posted about MySQL 5.6 use the sysbench OLTP workload. I wanted to test a set of queries which, unlike sysbench, utilize joins. I also wanted an easily reproducible set of data which is more rich than the simple sysbench table. The Star Schema Benchmark (SSB) seems ideal for this. I wasn’t going to focus on the per
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