by Peter Zaitsev | Jun 12, 2007 | Hardware and Storage
Just found this wonderful summary of articles by Jeremy and wanted to give some of my thoughts on the topic. First lets speak about death of the RAID. I think this is far from the case especially if you consider Software RAID here. For many workloads you would like to...
by Peter Zaitsev | May 31, 2007 | Insight for DBAs
As of MySQL 5.1 get MySQL slow query log logged in mysql.slow_log table instead of the file as you had in previous versions. We rarely would use this feature as it is incompatible with our slow query analyses patch and tools Fixing this is not trivial while staying...
by Peter Zaitsev | May 28, 2007 | Insight for DBAs
Reading this slashdot article today and two CIO magazine articles linked from it. Such discussions started at right place at right time always attract a lot of flamers and can be fun to read. What hit me this time is quality of the articles in CIO magazine. If this is...
by Peter Zaitsev | May 22, 2007 | Insight for DBAs
Dealing with dumping and recovery of large and partially corrupted database I’ve got couple of feature ideas for mysqldump or similar tool and appropriate import tool Dump in parallel single thread dump is not efficient of course especially on systems with...
by Peter Zaitsev | May 17, 2007 | Percona Events
As you probably know MySQL is Running AdSense Ads on PlanetMySQL.org for last few months. When the project was just started it was Ad free. I’m curious If MySQL Really ask syndicated Blog owners if they would allow that or if they just hope if someone does not...
by Peter Zaitsev | May 2, 2007 | Percona Events
I can’t write I’m just back from MySQL Users Conference both because I’m still in USA visiting customers and because it has ended almost a week ago but I was too busy to write anything about it or post my presentations. This was my 5th MySQL Users...
by Peter Zaitsev | Apr 20, 2007 | Percona Events
So I’m back from RIT2007 which took place April 16,17 in Moscow,Russia. The conference was well organized, while the conference center was a bit small for event – halls were jam packed during the breaks and there was limited sitting available for many...
by Peter Zaitsev | Apr 11, 2007 | Insight for Developers
I’ve got an interesting comment the other day saying “I’ve heard Jay Pipes saying indexes with cardinality lower than 30% are worthless, true?” That is interesting question and it has different answers depending on who is asking. A lot of...
by Peter Zaitsev | Apr 5, 2007 | Insight for DBAs
The MySQL Master-Master replication (often in active-passive mode) is popular pattern used by many companies using MySQL for scale out. Most of the companies would have some internal scripts to handle things as automatic fallback and slave cloning but no Open Source...
by Peter Zaitsev | Mar 19, 2007 | Percona Events
I’ve already wrote we do not generally do a lot of on-site onsite consulting, but as I’m anyway going to be speaking at MySQL Users Conference anyway it may be good time for some onsite jobs. In fact I have already scheduled visits on Friday, Monday and...
by Peter Zaitsev | Mar 18, 2007 | Percona Events
Few days ago MySQL released MySQL 5.0.37 which I would call first real Community Version, because unlike previous versions which were released from the same source tree as Enterprise MySQL this one has some community features added, which is great. Also over last half...
by Peter Zaitsev | Mar 15, 2007 | Insight for DBAs
Reading last few days worth of planet MySQL and commenting on some entries as you can see. The post by Oli catches my attention. There is also PDF with more details available Oli is saying you can use MySQL with Active Active Clustering and MyISAM tables if you follow...
by Peter Zaitsev | Mar 15, 2007 | Percona Events
We’d like to test few things in regards to MySQL and Innodb scalability with multiple CPUs but we seems to be short of boxes right now, all stuff we have access to is in production right now which makes it not good for benchmark. Could anyone lend us access to...
by Peter Zaitsev | Mar 5, 2007 | Insight for DBAs
Where does real power of MySQL Storage Engines, and pluggable storage engines as MySQL 5.1 lays ? It is very much advertised this allows third parties to create their own storage engines and we can see solutions as Solid and PBXT . Plus there is Falcon storage engine...
by Peter Zaitsev | Jan 19, 2007 | Percona Events
It looks like it looks like there are going a lot of discussions about future of MySQL Community Binaries, see for example this post and Kaj’s clarifications. Obviously now it grew to a lot of speculations and many comments are far from real story. It is also...
by Peter Zaitsev | Oct 26, 2006 | Percona Events
I’ll have two sessions on upcoming OpenSource Database Conference in Frankfurt 6-8 November. One session will be general MySQL Performance Optimization workshop the other will be focused on Innodb architecture and optimization. If you’re visiting this...
by Peter Zaitsev | May 3, 2006 | Percona Events
Numerous talks at MySQL Users Conference and a lot of people asking me for my presentations motivated me to speed up launching of this site. I hope it will also motivate me to blog more frequently about performance as blog name implies. If you’re looking for...