Strike one against Citrix! :) But seriously - I don't remember anyone saying that (though you might well have - I have memory leaks), and he didn't mention Citrix, so I think he's probably safe in that regard.
Besides, why would anyone implement Citrix on a machine with directories that large anyway? Kurt On Thu, May 12, 2016 at 4:33 PM, Webster <[email protected]> wrote: > In the Citrix world, turning off short file name creation breaks a LOT of > things. At one time that was a recommendation from Citrix Consulting until > support got flooded with calls. > > > Webster > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of Kurt Buff > Sent: Thursday, May 12, 2016 6:23 PM > To: ntsysadm <[email protected]> > Subject: Re: [NTSysADM] RE: Windows 2008 R2 server > > Generally, any directory with more than 10,000 files will be slow to browse > or manipulate. Turn off short file name creation. See this article for some > more details https://technet.microsoft.com/en-us/library/cc781134.aspx > > The article mention 300k files, but I've consistently run into problems with > as few as 10k. > > This article is old, but still mostly good: > http://www.windowsdevcenter.com/pub/a/windows/2005/02/08/NTFS_Hacks.html > > > On Thu, May 12, 2016 at 11:33 AM, Scott Schneider > <[email protected]> wrote: >> Thanks for all the suggestions. >> >> I disabled RSS and Chimney offload, it made no difference. It is a 4 >> port Qlogic (Broadcom) 1 GB card in the server. I updated the drivers >> to latest on Dell’s site. When I put a second network card in the >> backup server and put it on a separate closed switch (only the 2 >> servers attached to the switch), I get the same slow throughput. >> >> The folder I am using for the test has 31 GB, 13694 folders and 517798 >> files. It is consistently slow. A folder that copies quickly has 18 >> GB, >> 31768 files and 795 folders. >> >> I see there is a firmware update for the Qlogic card. I may be able to >> try that after hours. >> >> >> >> From: [email protected] >> [mailto:[email protected]] >> On Behalf Of Rene de Haas >> Sent: Thursday, May 12, 2016 1:47 PM >> To: [email protected] >> Subject: Re: [NTSysADM] RE: Windows 2008 R2 server >> >> >> >> Yes, I read about those as well, however since it's only certain >> folders my guess is it's something else. >> >> Does it matter at what time you do the copy? Any file in that folder? >> To which server? >> >> >> >> On Thu, May 12, 2016 at 6:31 PM, Kennedy, Jim >> <[email protected]> >> wrote: >> >> Check the nic settings. Disable RSS and Chimney offload. >> >> >> >> https://support.microsoft.com/en-us/kb/951037 >> >> >> >> >> >> From: [email protected] >> [mailto:[email protected]] >> On Behalf Of Scott Schneider >> Sent: Thursday, May 12, 2016 12:07 PM >> To: [email protected] >> Subject: [NTSysADM] Windows 2008 R2 server >> >> >> >> Has anyone ever run across a really poor performance copying specific >> folders from 2008 R2? We have a 1 GB backbone with HP switches. I did >> my test copying to a windows 2012 R2 fully patched server (which is >> the same Dell backup server using Arcserve). Both servers are fully >> patched. The production server is a file server, and also an app >> server, using apache and a canned Oracle database. Max connections are >> 50 endpoints. I noticed the performance hit running our nightly >> backups. Overall throughput crawled to around 1 GB per minute, it used >> to run at about 3 GB per minute. I set up a private network for >> copying/backup and the speed didn’t improve. I then experimented with >> trying individual folder copies. That is when I noticed some folders >> would copy at 80 to 100 MB per second, while others would copy at 7 to 8 MB >> per second. >> >> A second almost identical server Dell 2008 R2 server with the Oracle >> database consistently gets 3+ GB throughput for the nightly backup. >> It doesn’t exhibit the slow throughput. No other servers in our >> environment experience the slow throughput. >> >> >> >> Strangely the issue only appears with copying specific folders. Any >> ideas, I’m stumped….. >> >> >> >> Thanks >> >> >> >> Scott Schneider >> >> >> >> >> >> > >
