June 20, 2013

Post: Experiences with the McAfee MySQL Audit Plugin

…-sys-maint”,”host”:”localhost”,”cmd”:”Connect”,”query“:”Connect”} {“msg-type”:”activity”,”date”:”1369155747373″,”thread-id”:”6439″,”query-id”:”219309″,”user”:”debian-sys…-sys-maint”,”host”:”localhost”,”cmd”:”Quit”,”query“:”Quit”} {“msg-type”:”activity”,”date”:”1369155747383″,”thread-id”:”6440″,”query-id”:”0″,”user”:”debian-sys…

Comment: INSERT INTO ... SELECT Performance with Innodb tables.

… lock(s) MySQL thread id 38, OS thread handle 0x2b3c1c776940, query id 16838101 localhost root Copying to tmp table create table….label_id, cai.inventory_id All 4 tables in the query are locked!

Comment: Maatkit Now Supports Memcached

… value $source in pattern match (m//) at /usr/bin/pt-query-digest line 2676, chunk 1. Pipeline process 3 (TcpdumpParser) caused… value $source in pattern match (m//) at /usr/bin/pt-query-digest line 2676, chunk 2. Pipeline process 3 (TcpdumpParser) caused… /usr/bin/pt-query-digest line 2676, chunk 3. … when running memcached on localhost and running pt-query-digest on the tcpdump…

Comment: MySQL Query Patterns, Optimized - Webinar questions followup

Hi Oleksii, thanks for viewing my webinar and your comments. I use the short index names because the alternative would require the font size on the slides to be very small. I know that abbreviated index names are harder to understand, but hopefully the tradeoff is the right one.

Comment: MySQL Query Patterns, Optimized - Webinar questions followup

… tuples P.S. just an one small thing, yes, I understand – there is just an example, small space etc, but using names…

Post: How to fix your PRM cluster when upgrading to RHEL/CentOS 6.4

…: [ p_mysql:2 ] After the update and after fixing some small issues like the one bellow, you are able to start…

Comment: ZFS on Linux and MySQL

… fast as older SSDs. But the newer SSDs are as big, and much faster than the 300GB HDDs, on MySQL type…

Comment: ZFS on Linux and MySQL

… and production for a few years now. Performance was a big hit to start with. Mainly due to random IO caused…

Post: ZFS on Linux and MySQL

… per controller, I have 2 for the whole setup.  A small but yet interesting saving. All put together, ZFS on Linux…

Post: Percona Playback 0.6 for MySQL now available

… one database server to another. Currently it can read queries from MySQL query-log and MySQL tcpdump files and run them on… feature has been implemented that can be used for dispatching queries to MySQL database servers. This feature introduces new –thread-pool… MySQL database server. Bug fixed #1070824 (Vlad Lesin). Multi-line query parsing has been improved. Bug fixed #1080648 (Vlad Lesin). Missing…