On Fri, Dec 08, 2006 at 12:15:27AM -0800, Ben Rockwood wrote:
> Clearly ZFS file creation is just amazingly heavy even with ZIL 
> disabled.  If creating 4,000 files in a minute squashes 4 2.6Ghz Opteron 
> cores we're in big trouble in the longer term.  In the meantime I'm 
> going to find a new home for our IMAP Mail so that the other things 
> served from that NFS server at least aren't effected.

For local tests, this is not true of ZFS.  It seems that file creation
only swamps us when coming over NFS.  We can do thousands of files a
second on a Thumper with room to spare if NFS isn't involved.

Next step is to figure out why NFS kills us.


--Bill

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