The content of this article is outdated, look here for more up to date information. Over the last year, the frustration of many of us at Percona regarding issues with MMM has grown to a level where we started looking at other ways of achieving higher availability using MySQL replication. One of the weakness of [...]
Percona Replication Manager, a solution for MySQL high availability with replication using Pacemaker
November 29, 2011 By 102 Comments
Aligning IO on a hard disk RAID – the Theory
June 9, 2011 By 18 Comments
Now that flash storage is becoming more popular, IO alignment question keeps popping up more often than it used to when all we had were rotating hard disk drives. I think the reason is very simple – when systems only had one bearing hard disk drive (HDD) as in RAID1 or one disk drive at [...]
High availability for MySQL on Amazon EC2 – Part 2 – Setting up the initial instances
June 29, 2010 By 9 Comments
This post is the second of a series that started here. The first step to build the HA solution is to create two working instances, configure them to be EBS based and create a security group for them. A third instance, the client, will be discussed in part 7. Since this will be a proof [...]
Percona Welcomes Morgan Tocker and Matt Yonkovit
July 13, 2009 By 1 Comment
The Percona team has kept on expanding. We are very pleased to announce the addition of Morgan Tocker and Matt Yonkovit!
Morgan has been with us for a while. Before joining Percona, Morgan worked as a Technical Instructor for MySQL (and then Sun Microsystems) in…1990′s as a DBA, System Administrator, and all around techie. Before joining Percona, Matt worked at MySQL and Sun Microsystems as a Solution Architect helping to…. He will be a valuable member of both our consulting and development teams.
Morgan and Matt, a big welcome — we are fortunate indeed that you’re…
New SpecJAppServer results at MySQL and Sun.
November 12, 2008 By Leave a Comment
As you likely have seen Sun has posted the new SpecJAppServer Results More information from Tom Daly can be found here These results are quite interesting for me as I worked on some of the previous SpecJAppServer Benchmarks several years ago while being employed by MySQL. These are great results, plus they can be relevant [...]
Rendundant Array of Inexpensive Servers
August 21, 2008 By 15 Comments
So you need to design highly available MySQL powered system… how do you approach that ? Too often I see the question is approached by focusing on expensive hardware which in theory should be reliable. And this really can work quite well for small systems. It is my experience – with quality commodity hardware (Dell,HP,IBM [...]
Site was down today, support and web hosting.
August 31, 2007 By 27 Comments
During last one and a half year we had pretty good track record with MySQL Performance Blog – there were times when site was slow (especially when backup was running) but I do not remember significant downtime, until today we went down for few hours. All this time the site was running on dedicated server [...]
MySQL Query Cache
July 27, 2006 By 70 Comments
MySQL has a great feature called “Query Cache” which is quite helpful for MySQL Performance optimization tasks but there are number of things you need to know. First let me clarify what MySQL Query Cache is – I’ve seen number of people being confused, thinking MySQL Query Cache is the same as Oracle Query Cache [...]
