Emergency

Search Results for: mysql 64bit myisam

Logical MySQL backup tool mydumper 0.6.2 now available

We are pleased to announce the third release in the 0.6 series of mydumper, a tool for performing logical MySQL backups. In this release, we focused on simplifying compiling the code and added new features for making …

Read More
 

MySQL automatic data truncation can backfire

I had a fun case today. There is set of cache tables which cache certain content in MyISAM tables and queries for these tables such as:

The “key” is CRC32 of the real key …

Read More
 

Looking deeper into InnoDB’s problem with many row versions

A few days ago I wrote about MySQL performance implications of InnoDB isolation modes and I touched briefly upon the bizarre performance regression I found with InnoDB handling a large amount of versions for a single …

Read More
 

Percona Server 5.1.60-13.1

Percona is glad to announce the release of Percona Server 5.1.60-13.1 on December 16, 2011 (Downloads are available from Percona Server 5.1.60-13.1 downloads and from the Percona Software Repositories). Based on MySQL 5.1.60, including all the bug fixes in it, Percona Server 5.1.60-13.1 …

Read More
 

Percona Server 5.5.17-22.1 released

Percona is glad to announce the release of Percona Server 5.5.17-22.1 on November 19th, 2011 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.17, including all the bug fixes in it, Percona Server 5.5.17-22.1 is now the current …

Read More
 

Innodb Performance Optimization Basics

Note: There is an updated post on this topic here. Interviewing people for our Job Openings I like to ask them a basic question – if you have a server with 16GB of RAM which …

Read More