Re: ZFS directory with a large number of files

2011-08-05 Thread Christian Weisgerber
Daniel Kalchev dan...@digsys.bg wrote: On 02.08.11 12:46, Daniel O'Connor wrote: I am pretty sure UFS does not have this problem. i.e. once you delete/move the files out of the directory its performance would be good again. UFS would be the classic example of poor performance if you

Re: ZFS directory with a large number of files

2011-08-05 Thread Patrick M. Hausen
Hi, all, Am 05.08.2011 um 17:12 schrieb Christian Weisgerber: Daniel Kalchev dan...@digsys.bg wrote: On 02.08.11 12:46, Daniel O'Connor wrote: I am pretty sure UFS does not have this problem. i.e. once you delete/move the files out of the directory its performance would be good again.

Re: ZFS directory with a large number of files

2011-08-05 Thread Daniel O'Connor
On 06/08/2011, at 5:17, Patrick M. Hausen wrote: Am 05.08.2011 um 17:12 schrieb Christian Weisgerber: Daniel Kalchev dan...@digsys.bg wrote: On 02.08.11 12:46, Daniel O'Connor wrote: I am pretty sure UFS does not have this problem. i.e. once you delete/move the files out of the directory

Re: ZFS directory with a large number of files

2011-08-05 Thread Doug Barton
On 08/05/2011 20:38, Daniel O'Connor wrote: Ahh, but OP had moved these files away and performance was still poor.. _that_ is the bug. I'm no file system expert, but it seems to me the key questions are; how long does it take the system to recover from this condition, and if it's more than N

Re: ZFS directory with a large number of files

2011-08-05 Thread Hartmann, O.
On 08/05/11 21:47, Patrick M. Hausen wrote: Hi, all, Am 05.08.2011 um 17:12 schrieb Christian Weisgerber: Daniel Kalchevdan...@digsys.bg wrote: On 02.08.11 12:46, Daniel O'Connor wrote: I am pretty sure UFS does not have this problem. i.e. once you delete/move the files out of the