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October 20, 2010
MySQL Limitations Part 1: Single-Threaded Replication
I recently mentioned a few of the big “non-starter” limitations Postgres has overcome for specific use cases. I decided to [...]
October 15, 2010
Replication of MEMORY (HEAP) Tables
Some Applications need to store some transient data which is frequently regenerated and MEMORY table look like a very good [...]
October 14, 2010
Percona Server 5.1.50-rel12.1
Dear Community, Percona Server version 5.1.50-rel12.1 RC is now available for download. Functionality Added or Changed Percona Server 5.1.50-rel12.1 is [...]
October 11, 2010
Percona White Paper: Architecting SaaS Applications with XtraDB
Vadim and I have just published a new technical white paper. It shows how Percona Server with XtraDB can make [...]
October 8, 2010
The story of one MySQL Upgrade
I recently worked on upgrading MySQL from one of very early MySQL 5.0 versions to Percona Server 5.1. This was [...]
October 6, 2010
Percona at WebConf Riga 2010
My colleague Aleksandr Kuzminsky will be speaking at WebConf Riga 2010 next month on XtraBackup: Hot Backups and More and [...]
October 5, 2010
Percona Launches New Support Option for MySQL
We’ve just announced a new support offering for MySQL. There’s a press release here, and product information page here. But [...]
October 5, 2010
Talks in Moscow, Minsk, Samara
I have my schedule pretty busy during a trip to Russia this year. In addition to giving a master class [...]
October 4, 2010
Sharing an auto_increment value across multiple MySQL tables
The title is SEO bait – you can’t do it. We’ve seen a few recurring patterns trying to achieve similar [...]
September 29, 2010
Percona Server scalability on multi-cores server
We now have hardware in our test lab that represents the next generation of commodity servers for databases. It’s a Cisco [...]
September 27, 2010
Diagnosing and fixing MySQL Performance Problems in Russian in Moscow, Russia
During my visit to Moscow, Russia next month I’m going to give a full day training/tutorial presentation on Diagnosing and [...]
September 27, 2010
Percona Server 5.1.50-rel11.4
Dear Community, Percona Server version 5.1.50-rel11.4 is now available for download. The changes in this release include: New features The [...]
September 23, 2010
More on dangers of the caches
I wrote couple of weeks ago on dangers of bad cache design. Today I’ve been troubleshooting the production down case [...]
September 16, 2010
Scenarios where TokuDB’s Loader is Used
TokuDB’s loader uses the available multicore computing resources of the machine to presort and insert the data. In the last [...]
September 15, 2010
Percona Server 5.1.49-rel12.0
Dear Community, Starting with this release, we introduce a new release model for Percona Server. From now on, we will [...]
September 10, 2010
Cache Miss Storm
I worked on the problem recently which showed itself as rather low MySQL load (probably 5% CPU usage and close [...]
September 6, 2010
UDF -vs- MySQL Stored Function
Few days ago I was working on a case where we needed to modify a lot of data before pushing [...]
September 2, 2010
How long Innodb Shutdown may take
How long it may take MySQL with Innodb tables to shut down ? It can be quite a while. In [...]
September 2, 2010
Loading Tables with TokuDB 4.0
Often, the first step in evaluating and deploying a database is to load an existing dataset into the database. In [...]
August 31, 2010
Introducing tcprstat, a TCP response time tool
Ignacio Nin and I (mostly Ignacio) have worked together to create tcprstat[1], a new tool that times TCP requests and [...]