Search Results for: second

percona-millipede – Sub-second replication monitor

I recently helped a client implement a custom replication delay monitor and wanted to share the experience and discuss some of the iterations and decisions that were made. percona-millipede was developed in conjunction with Vimeo with the following high-level goal in mind: implement a millisecond level replication delay monitor and graph the results.  Please visit […]

Seconds_Behind_Master fluctuating wildly? Check for events caught in a loop

Recently I was working with a customer where we noticed that Seconds_Behind_Master fluctuating from an expected value of 0 seconds behind to a fairly high six figure value.  The servers were configured in a master-master relationship and used 5 figure server_id values, and we had just migrated this cluster from one data centre to another […]

Percona Server 5.6.12-60.4 second Release Candidate now available

Percona is glad to announce the second Release Candidate release of Percona Server 5.6.12-60.4 on June 27th, 2013 (Downloads are available here and from the Percona Software Repositories). Based on the recently released MySQL 5.6.12, including all the bug fixes in it, Percona Server 5.6.12-60.4 is the second RC release in the Percona Server 5.6 series. […]

Working on “High Performance MySQL, Second Edition”, how you can help?

As you may already have seen announcement by Baron we’re working on major rewrite of High Performance MySQL book – the most famous book about MySQL Performance on the market… which is getting old though. We’ve been slowly working on the book for over half a year now and were later joined by Arjen Lentz […]

Guess what?! Microsecond slow query timing finally available in MySQL!

Vadim asked me yesterday to update Microslow patch for 5.1.21, because the previous one I wrote for 5.1.20 failed to apply correctly on the new MySQL release. Imagine the expression on my face after I unpacked the sources and found out that MySQL incorporated the patch to their release. So it’s a built-in feature now […]