… The performance without LVM snapshot was 159 io/sec which is quite expected for single thread and no BBU. With LVM snapshot enabled the performance was 25 io/sec which is about 6 times lower ! I honestly do not understand what LVM could… this run I got approximately 200 ios/sec without LVM snapshot enabled while with snapshot I got: 33.20 Requests/sec executed 46…
Post: An argument for not using mysqldump
November 8, 2010 By 24 Comments
… time to restore. If I restore from a raw backup (LVM snapshot, xtrabackup, innodb hot backup), it is very easy to model… am saying is knowing remaining time is very important during disaster recovery. Being able to say “we’ll be back…
Comment: Is your server's performance about to degrade?
May 20, 2010 By 13 Comments
http://www.mysqlperformanceblog.com/2009/02/05/disaster-lvm-performance-in-snapshot-mode/ I was wrong, it’s not Vadim, it’s Peter.
Post: How Percona does a MySQL Performance Audit
November 24, 2008 By 17 Comments
…performance, future performance, scalability, ability to recover from disasters? We also want to know what the … three commands are for giving me information about LVM devices, volume groups, and logical volumes. At this…done with that, I’ll grab a few snapshots of SHOW FULL PROCESSLIST, and look for …
