Re: [zfs-discuss] Copying thousands of small files on an expanded ZFS pool crawl to a poor performance-not on other pools.

2009-03-24 Thread Roch
Hi Noel. zpool iostat -v For a working pool and for a problem pool would help to see the type of pool and it's capacity. I assume the problem is not the source of the data. To read large number of small files typically requires lots and lots of threads (say 100 per source disks). Is

Re: [zfs-discuss] Copying thousands of small files on an expanded ZFS pool crawl to a poor performance-not on other pools.

2009-03-24 Thread Nobel Shelby
Jim, There is no space constraints nor quotas... Thanks, -Nobel Jim Mauro wrote: Cross-posting to the public ZFS discussion alias. There's nothing here that requires confidentiallity, and the public alias is a much broader audience with a larger number of experienced ZFS users... As to the

Re: [zfs-discuss] Copying thousands of small files on an expanded ZFS pool crawl to a poor performance-not on other pools.

2009-03-23 Thread Jim Mauro
Cross-posting to the public ZFS discussion alias. There's nothing here that requires confidentiallity, and the public alias is a much broader audience with a larger number of experienced ZFS users... As to the issue - what is the free space disparity across the pools? Is the one particular