May 23, 2012

Comment: Benchmarking single-row insert performance on Amazon EC2

… that by watching IOstat. Tim’s measurements (http://www.tokutek.com/2012/01/1-billion-insertions-%E2%80%93-the-wait…. The correct URL for version you used is http://tokutek.com/downloads/iiBench-1.0.3.1.tar.gz One of…

Comment: What to tune in MySQL Server after installation

….StandardSocketFactory.connect(StandardSocketFactory.java:156) at com.mysql.jdbc.MysqlIO.(MysqlIO.java:276) at com.mysql.jdbc.Connection.createNewIO(Connection.java:2641) at com.mysql.jdbc.Connection.(Connection.java:1531) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266…

Comment: Testing Intel SSD 520

… stupid step from Intel. On this page http://www.intel.com/content/www/us/en/solid-state-drives/solid-state-drives… just figured that Intel 520 uses compression. http://www.intel.com/content/www/us/en/solid-state-drives/ssd-520-tech…

Comment: Side load may massively impact your MySQL Performance

http://bugs.mysql.com/bug.php?id=45015 (InnoDB buffer pool can be severely affected by table scans)

Post: Announcement of Percona XtraDB Cluster 5.5.23

…) 5 and 6, and Debian packages. Downloads: http://www.percona.com/downloads/Percona-XtraDB-Cluster/ Documentation Codership Wiki General Discussion group…

Comment: TPC-H Run on MySQL 5.1 and 6.0

Hi Peter, Re utilising multi cores, MySQL does claim to be capable of utilising multiple CPU cores. (http://dev.mysql.com/doc/refman/5.5/en/faqs-general.html#qandaitem-B-1-1-8). Is that a different kind of assessment or different benchmarking? Cheers.

Post: Testing Fusion-io ioDrive2 Duo

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Comment: How to convert MySQL's SHOW PROFILES into a real profile

There is this bug report: http://bugs.mysql.com/bug.php?id=61328

Comment: How to convert MySQL's SHOW PROFILES into a real profile

I wasn’t aware of that problem. Maybe there is a bug filed on bugs.mysql.com that will shed more light on workarounds.

Post: New distribution of random generator for sysbench - Zipf

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