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Shard-Query turbo charges Infobright community edition (ICE)
Shard-Query is an open source tool kit which helps improve the performance of queries against a MySQL database by distributing the work over multiple machines and/or multiple cores. This is similar to...
View ArticleUsing any general purpose computer as a special purpose SIMD computer
Often times, from a computing perspective, one must run a function on a large amount of input. Often times, the same function must be run on many pieces of input, and this is a very expensive process...
View ArticleImproved InnoDB fast index creation
One of the serious limitations in the fast index creation feature introduced in the InnoDB plugin is that it only works when indexes are explicitly created using ALTER TABLE or CREATE INDEX. Peter has...
View ArticleThe relationship between Innodb Log checkpointing and dirty Buffer pool pages
This is a time-honored topic, and there’s no shortage of articles on the topic on this blog. I wanted to write a post trying to condense and clarify those posts, as it has taken me a while to really...
View ArticleHow to find MySQL queries worth optimizing ?
One question I often get is how one can find out queries which should be optimized. By looking at pt-query-digest report it is easy to find slow queries or queries which cause the large portion of the...
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Adventures in archiving
Archive can solve disk storage issues – but you must always consider the caveats and bugs related to a storage engine before going ahead and using it.One of our Remote DBA service clients recently had...
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pt-online-schema-change and binlog_format
Statement-based or row-based, or mixed? We’ve all seen this discussed at length so I’m not trying to rehash tired arguments. At a high level, the difference is simple:Statement based replication...
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Using the new spatial functions in MySQL 5.6 for geo-enabled applications
Geo-enabled (or location enabled) applications are very common nowadays and many of them use MySQL. The common tasks for such applications are:Find all points of interests (i.e. coffee shops) around...
View ArticleHow to monitor ALTER TABLE progress in MySQL
While working on a recent support issue as a Percona Support Engineer, I got one question from a customer asking how to monitor ALTER TABLE progress. Actually, for MySQL 5.5 and prior versions, it’s...
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Q&A: Even More Deadly Mistakes of MySQL Development
On Wednesday I gave a presentation on “How to Avoid Even More Common (but Deadly) MySQL Development Mistakes” for Percona MySQL Webinars. If you missed it, you can still register to view the recording...
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