All of Percona’s open-source software products, in one place, to download as much or as little as you need.
CPU governor performance
All of Percona’s open-source software products, in one place, to download as much or as little as you need.
InnoDB crash recovery speed in MySQL 5.6
It has been a while since I have looked at InnoDB crash recovery. A lot has change in the last few years – we have serious crash recovery performance improvements in MySQL 5.5 and MySQL 5.6, we have solid state drives raising as typical high performance IO subsystem and we also have the ability to set much larger log files and often have a much larger InnoDB Buffer Pool to work with. First let me
Performance evaluation of MariaDB 10.1 and MySQL 5.7.4-labs-tplc - MariaDB.org
Performance evaluation of MariaDB 10.1 and MySQL 5.7.4-labs-tplc Introduction Evaluating the performance of database systems is a very demanding task. There are a lot of hard choices to be made, e.g.: What operating system and operating system version is to be used What configuration setup is to be used What benchmarks are to be used and how long are the warm-up and measure times What test setups
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
#isucon で優勝してきました - 酒日記 はてな支店
なんでもありのWebアプリケーション高速化バトル、#isucon に会社の同僚 @Songmu @sugyan と3人で、fujiwara組として参戦してきました。結果、幸いにも優勝を勝ち取ることが出来ました。 こんなに楽しいイベントを企画、運営していただいた Livedoor の皆様、本当にありがとうございます！！ さて、ざっとチューニングした経過などを記録しておきます。 [追記] もっと詳しいレポートを @Songmu が上げているのでそちらもご覧ください おそらくはそれさえも平凡な日々: #isucon で優勝させてもらってきました [さらに追記] #isucon ではどんなことを考えながら作業していたか - 酒日記 はてな支店 自分でももう少し詳しく振り返りエントリ書きました。 まず説明を聞いて、環境を作るところから。IPアドレスでは作業がしにくいし事故も起こりそうなので、host
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GitHub - yahoo/mysql_perf_analyzer: MySQL performance monitoring and analysis.
Linux and H/W optimizations for MySQL