----- Original Message ----- From: "Jeremy Allison" <[EMAIL PROTECTED]> To: "Claus Lund" <[EMAIL PROTECTED]> Cc: <[email protected]>; <[EMAIL PROTECTED]>; "Jeremy Allison" <[EMAIL PROTECTED]> Sent: Wednesday, May 10, 2006 1:27 PM Subject: Re: [Samba] Performance issue on AIX when deleting files in adirectory with a large number of files
> On Wed, May 10, 2006 at 01:14:08PM -0400, Claus Lund wrote: > > > > I agree that it's not a Samba logic problem ... more like a Samba porting > > problem? > > And I don't think we can just blame JFS2 and/or AIX either because deleting > > files in that directory directly on the box or even through NFS is orders of > > magnitudes faster (minutes vs days to delete all the files in a directory > > with 150K files). > > But the nfs or local access isn't performing the same access pattern > that Samba is by being driven by the client. I'm guessing that if you > performed the same actions locally that the client is requesting > Samba perform you'd get the same results (in fact you *must* - as > all of Samba is userspace, there's no magic in what Samba is doing > here - it's doing what the client requests from userspace). > > My money is still on the kernel, as driven in this access pattern. > Yep. I'd be curious what a truss of a smbd process shows for access on that filesystem. Is this jfs2 using an inline log? Just curious... Cheers, Bill > Now the access pattern may be insane, but that's not our fault :-). > > Jeremy. > -- > To unsubscribe from this list go to the following URL and read the > instructions: https://lists.samba.org/mailman/listinfo/samba > -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/listinfo/samba
