by Peter Zaitsev | Jan 17, 2007 | Insight for Developers
What is often underestimated is impact of MySQL Performance by complex queries on large data sets(ie some large aggregate queries) and batch jobs. It is not rare to see queries which were taking milliseconds to stall for few seconds, especially in certain OS...
by Peter Zaitsev | Jan 16, 2007 | Percona Events
Just got email from Jay today about two of my talks being accepted to MySQL Users Conference 2007 “MySQL Server Settings Tuning” and “MySQL Performance Cookbook”. This is great as MySQL Conferences are always fun and great way to get to know...
by Peter Zaitsev | Jan 16, 2007 | Percona Events
A friend pointed out to me number of our our articles were translated and included in PHPInside.RU – electronic magazine about PHP and surrounding technologies which of course include MySQL. You can download PDF for free right here. We love our articles being...
by Vadim Tkachenko | Jan 12, 2007 | Percona Events
Update 3 June 2008: We have removed the builds below, since they are quite obsolete and no one has posted comments about them since more than a year ago. Great news are MySQL finally released new Community release – MySQL 5.0.33, which however as promised comes...
by Peter Zaitsev | Jan 12, 2007 | Insight for DBAs
Now as new MySQL Storage engine – Falcon is public I can write down my thought about its design, which I previously should have kept private as I partially got them while working for MySQL. These thought base on my understanding, reading docs, speaking to Jim,...
by Peter Zaitsev | Jan 11, 2007 | Percona Events
We’re looking to implement CJK Support in Open Source Full Text search engine Sphinx . Initially we’re thinking to base search ob bi-gram indexing to keep it simple, especially as according to research papers it offers decent quality for most cases. This...
by Peter Zaitsev | Jan 10, 2007 | Benchmarks, Insight for Developers
To check for query performance improvements followed indexing/query changes or MySQL configuration changes our customers often decide to run the query and see if there is any significant improvement. Leaving aside question of checking single query alone might not be...
by Peter Zaitsev | Jan 9, 2007 | Insight for Developers
I had a fun case today. There is set of cache tables which cache certain content in MyISAM tables and queries for these tables such as: select data from cache0003 where `key`=2342526263 and real_key='cp_140797_6460aad5d2e50d3e859e8649007686ac'; 1 select data from...
by Vadim Tkachenko | Jan 9, 2007 | Insight for DBAs
I just want to write few tips how to get MySQL from development BitKeeper tree, as there are several tricks. First of all you need a fresh free client – bk-client2.0 http://www.bitkeeper.com/Hosted.Downloading.html . Once you get it, you can clone latest tree:...
by Peter Zaitsev | Jan 8, 2007 | Percona Events
We’re happy to announce Andrew Aksyonoff, developer of popular OpenSource full text search software Sphinx joins our team. Andrew will now have more time to dedicate to Sphinx development so cool new features will come sooner. Having Andrew on board we’ll...
by Vadim Tkachenko | Jan 8, 2007 | Benchmarks
Several days ago MySQL AB made new storage engine Falcon available for wide auditory. We cannot miss this event and executed several benchmarks to see how Falcon performs in comparison to InnoDB and MyISAM. The second goal of benchmark was a popular myth that MyISAM...
by Vadim Tkachenko | Jan 3, 2007 | Benchmarks
There was several changes in InnoDB to fix scalabilty problems, so I ran benchmark to check new results and also compare overall performance of InnoDB in 5.0 and 5.1 before and after fixes. Problems in InnoDB that were fixed: Thread trashing issues with count of...
by Peter Zaitsev | Jan 3, 2007 | Benchmarks
This is not freshest news ever but I simply have not yet had a time to comment on it. I already wrote about interesting benchmarks Tweakers.net have done for MySQL and PostgreSQL with different CPUs. I was in contact with Tweakers.net team to see if they miss...
