… not an easy move for a MySQL dba to steal 20GB memory from the Innodb buffer pool to give it to the…
Post: Choosing a MySQL HA Solution - Post-Webinar Q&A
June 7, 2013 By Leave a Comment
… is my recommendation for MySQL 5.6? Is MHA ready for MySQL 5.6? A: My personal recommendation for MySQL 5.6, based… volume mounted, and went to try to install MySQL. It failed miserably on the mysql_install_db process. Every time I tried…: Incorrect information in file: ‘./mysql/servers.frm’ ERROR: 1033 Incorrect information in file: ‘./mysql/servers.frm’ Running mysql_install_db under strace, I…
Post: Percona Server 5.6.11-60.3 first Release Candidate now available
June 3, 2013 By 3 Comments
… id=”attachment_13396″ align=”alignright” width=”247″] Percona Server for MySQL version 5.6.11-60.3[/caption] Percona is glad… available here and from the Percona Software Repositories). Based on MySQL 5.6.11, including all the bug fixes in it… #1177780, bug fixed #1154954. Release notes for Percona Server for MySQL 5.6.11-60.3 are available in our online…
Post: MySQL Query Patterns, Optimized - Webinar questions followup
June 3, 2013 By 2 Comments
On Friday I gave a presentation on “MySQL Query Patterns, Optimized” for Percona MySQL Webinars. If you missed it, you can still… queries. The query optimizer analyzes queries for common patterns the MySQL designers know can be improved. But there’s a finite…-12, 2013. We also look forward to the Percona Live MySQL Conference and Expo in Santa Clara, California starting March 31…
Post: The small improvements of MySQL 5.6: Duplicate Index Detection
May 31, 2013 By Leave a Comment
… affected (0.25 sec) Records: 0 Duplicates: 0 Warnings: 0 mysql> SHOW CREATE TABLE test\G *************************** 1. row *************************** Table: test Create Table… warning (0.56 sec) Records: 0 Duplicates: 0 Warnings: 1 mysql> SHOW WARNINGS\G *************************** 1. row *************************** Level: Note Code: 1831 Message: Duplicate…
Post: Replication in MySQL 5.6: GTIDs benefits and limitations - Part 2
May 30, 2013 By 6 Comments
… slave; # For s1, s3 and s4 mysql> stop slave; mysql> change master to master_port=10002; mysql> start slave; Those of you who… try! # For s0,s1, s3, s4 mysql> stop slave; mysql> change master to master_port=10002; mysql> start slave; # And then check the…. This can even be made easier with mysqlfailover from the MySQL Utilities (this will be the topic of a future post…
Comment: Percona XtraBackup 2.1.3 for MySQL available for download
May 30, 2013 By 3 Comments
… any bugs at http://bugs.percona.com/ key_buffer_size=52428800 read_buffer_size=131072 max_used_connections=13 max_threads=2002… possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 4432877 K bytes of memory…:53:56 mysqld_safe mysqld from pid file /var/lib/mysql/srv-d2-mysql02.pid ended in an another environment I…
Post: Choosing a MySQL HA Solution - MySQL Webinar: June 5
May 28, 2013 By 1 Comment
…. We will then explore some of the more well-known MySQL HA tools and technologies available today (largely grouped into those which use traditional MySQL replication, those which use some other MySQL-level replication, and those which replicate at…
Post: ZFS on Linux and MySQL
May 24, 2013 By 17 Comments
… server can easily handle the write load of all the MySQL instances. The original idea was to configure them with raid… together, ZFS on Linux is a very interesting solution for MySQL backup servers. All backup solutions have an impact on performance…
Comment: Benchmarking Percona Server TokuDB vs InnoDB
May 22, 2013 By 32 Comments
Does Percona have improvements to keep the InnoDB insert buffer from getting full (as in do background reads for ibuf merges when it is getting full)? That is the key to sustaining good throughput for InnoDB on iibench.
