… bottleneck. This is exactly the case with LVM Number of customers have reported the LVM gives very high penalty when snapshots are… any system doing writes to experience the “performance shock” when LVM snapshot is created with greatly reduced capacity which when will… (in particular sequential file reads). If you’ve done some LVM performance tests yourself or will be repeating mine (parameters posted…
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: 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… am saying is knowing remaining time is very important during disaster recovery. Being able to say “we’ll be back…
Post: How Percona does a MySQL Performance Audit
November 24, 2008 By 17 Comments
… the current performance, future performance, scalability, ability to recover from disasters? We also want to know what the operating parameters are…. The last three commands are for giving me information about LVM devices, volume groups, and logical volumes. At this point, unless…
