Clik here to view.
Pretending to fix broken group commit
The problem with broken group commit was discusses many times, bug report was reported 3.5Â years ago and still not fixed in MySQLÂ 5.0/5.1 (and most likely will not be in MySQLÂ 5.1). Although the...
View ArticleLimiting InnoDB Data Dictionary
One of InnoDB’s features is that memory allocated for internal tables definitions is not limited and may grow indefinitely. You may not notice it if you have an usual application with say 100-1000...
View ArticleMaking replication a bit more reliable
Running MySQL slave is quite common and regular task which we do every day, taking backups from slave is often recommended solution. However the current state of MySQL replication makes restoring slave...
View ArticlePercona at PHP Quebec 09
Percona presented two talks at PHP Quebec last week – one on A Tour of MySQL High Availability, and another on Performance Tuning MySQL. There was a great reaction to showcasing some of the quick-wins...
View ArticleGlobal Transaction ID and other patches available!
I do not know if you noticed it, but Google (Mark Callaghan, Justin Tolmer and their internal mysql-team) made a great contribution to MySQL. Patches global transaction IDs, binlog event checksums and...
View ArticleFew more ideas for InnoDB features
As you see MySQL is doing great in InnoDB performance improvements, so we decided to concentrate more on additional InnoDB features, which will make difference.Beside ideas I put before...
View ArticleClik here to view.
Performance improvements in Percona 5.0.83 and XtraDB
There was small delay in our releases, part of this time we worked on features I mentioned before: – Moving InnoDB tables between servers – Improve InnoDB recovery time and rest time we played with...
View ArticleClik here to view.
Tuning for heavy writing workloads
For the my previous post, there was comment to suggest to test db_STRESS benchmark on XtraDB by Dimitri. And I tested and tuned for the benchmark. I will show you the tunings. It should be also tuning...
View ArticleClik here to view.
Introducing percona-patches for 5.1
Our patches for 5.0 have attracted significant interest. You can read about SecondLife’s experience here, as well as what Flickr had to say on their blog. The main improvements come in both...
View ArticleSecurity fixes for MySQL 4.0 and 4.1
In Percona Server security fix releases I mentioned patches for MySQL 4.0 and 4.1.I am happy to announce that GoDaddy.com released patches for MySQL 4.0 and MySQL 4.1 under GPL license and you can get...
View ArticleClik here to view.
Pretending to fix broken group commit
The problem with broken group commit was discusses many times, bug report was reported 3.5Â years ago and still not fixed in MySQLÂ 5.0/5.1 (and most likely will not be in MySQLÂ 5.1). Although the...
View ArticleLimiting InnoDB Data Dictionary
One of InnoDB’s features is that memory allocated for internal tables definitions is not limited and may grow indefinitely. You may not notice it if you have an usual application with say 100-1000...
View ArticleMaking replication a bit more reliable
Running MySQL slave is quite common and regular task which we do every day, taking backups from slave is often recommended solution. However the current state of MySQL replication makes restoring slave...
View ArticlePercona at PHP Quebec 09
Percona presented two talks at PHP Quebec last week – one on A Tour of MySQL High Availability, and another on Performance Tuning MySQL. There was a great reaction to showcasing some of the quick-wins...
View ArticleGlobal Transaction ID and other patches available!
I do not know if you noticed it, but Google (Mark Callaghan, Justin Tolmer and their internal mysql-team) made a great contribution to MySQL. Patches global transaction IDs, binlog event checksums and...
View ArticleFew more ideas for InnoDB features
As you see MySQL is doing great in InnoDB performance improvements, so we decided to concentrate more on additional InnoDB features, which will make difference.Beside ideas I put before...
View ArticleClik here to view.
Performance improvements in Percona 5.0.83 and XtraDB
There was small delay in our releases, part of this time we worked on features I mentioned before: – Moving InnoDB tables between servers – Improve InnoDB recovery time and rest time we played with...
View ArticleClik here to view.
Tuning for heavy writing workloads
For the my previous post, there was comment to suggest to test db_STRESS benchmark on XtraDB by Dimitri. And I tested and tuned for the benchmark. I will show you the tunings. It should be also tuning...
View ArticleClik here to view.
Introducing percona-patches for 5.1
Our patches for 5.0 have attracted significant interest. You can read about SecondLife’s experience here, as well as what Flickr had to say on their blog. The main improvements come in both...
View ArticleSecurity fixes for MySQL 4.0 and 4.1
In Percona Server security fix releases I mentioned patches for MySQL 4.0 and 4.1.I am happy to announce that GoDaddy.com released patches for MySQL 4.0 and MySQL 4.1 under GPL license and you can get...
View Article