Hello, Do you have trim enabled? Maybe those stalls could happen when the disks are getting trimmed.
Just a random thought. Manuel 2013/6/28, nixofortune <nixofort...@gmail.com>: > Hi guys, > Did you have any experience running MyLSQ or in my case MariaDB 5.5.31 > on FreeBSD on top of zfs? > We are using Samsung Pro 840 SSD drives and experiencing temporary stalls. > Our workload very much skewed towards inserts into big InnoDB tables > (70-100Gig) the dataset overall 1.5T. > I have feeling that ZFS is not mature enough to be used on production. > The speed is not great either 2k-6k/s. > I disabled innodb_checksums = 0 , innodb_doublewrite = 0 but the stalls > up to 8min still there. > Would it be better option to move to EXT4? We need FS snapshots for > backups. > Your thought guys. > Many thanks. > Igor > > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/mysql > > -- Manuel Aróstegui Systems Team tuenti.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql