Re: [zfs-discuss] L2ARC L2_Size kstat fluctuate

2010-04-09 Thread Tomas Ögren
On 09 April, 2010 - Abdullah Al-Dahlawi sent me these 5,3K bytes: > Hi Tomas > > > I understand from previous post > http://www.mail-archive.com/zfs-discuss@opensolaris.org/msg36914.html > > that if the data gets invalidated, the l2arc size that is shown by zpool > iostat is the one that change

Re: [zfs-discuss] L2ARC L2_Size kstat fluctuate

2010-04-09 Thread Abdullah Al-Dahlawi
Hi Tomas I understand from previous post http://www.mail-archive.com/zfs-discuss@opensolaris.org/msg36914.html that if the data gets invalidated, the l2arc size that is shown by zpool iostat is the one that changed (always growing because of COW) not the actual size shown by kstat which represe

Re: [zfs-discuss] L2ARC L2_Size kstat fluctuate

2010-04-09 Thread Tomas Ögren
On 09 April, 2010 - Abdullah Al-Dahlawi sent me these 27K bytes: > Hi all > > I ran an OLTP-Filebench workload > > I set Arc max size = 2 gb > l2arc ssd device size = 32gb > workingset(dataset) = 10gb , 10 files , 1gb each > > after running the workload for 6 hours and monitoring kstat , I hav

[zfs-discuss] L2ARC L2_Size kstat fluctuate

2010-04-09 Thread Abdullah Al-Dahlawi
Hi all I ran an OLTP-Filebench workload I set Arc max size = 2 gb l2arc ssd device size = 32gb workingset(dataset) = 10gb , 10 files , 1gb each after running the workload for 6 hours and monitoring kstat , I have noticed that l2_size from kstat has reached 10gb which is great . however, l2_size