Hello guys/gals, Could you guys please remove this email address from your list. Even though I am Linux junkie myself and the topics are interesting, this is my new work email address and I am being forwarded email from the account of the previous Network Admin who is no longer here. Thanks ----- Original Message ----- From: "Jeremy Allison" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Wednesday, February 02, 2005 8:38 PM Subject: People with applications needing directories containing largenumbers of files.
> I've been working (inspired by James Peach of SGI) on the > problem of using Samba3 with applications that need large > numbers of file (100,000 or more) per directory. > > I think the current code in SVN in the SAMBA_3_0 branch > may hold the fix for this problem, so I'd like to request > people who need this functionality to give it a try. > > The key was fixing the directory handling to read only > the current list requested instead of the old (up to 3.0.11) > behaviour of reading the entire directory into memory before > doling out names. Normally this would have broken OS/2 > applications which have *very* strange delete semantics :-), > but by stealing logic from Samba4 (thanks tridge) I think > the current code in SVN handles this correctly. > > So here's how to set up an application that needs large > number of files per directory in a way that doesn't damage > performance. > > Firstly, you need to canonicalize all the files in the > directory to have one case, upper or lower - take your > pick (I chose upper as all my files were already upper > case names). Then set up a new custom share for the > application as follows : > > [bigshare] > path = /home/jeremy/tmp/manyfilesdir > read only = no > default case = upper > preserve case = no > short preserve case = no > > Of course, use your own path and settings, but set the > case options to match the case of all the files in your > directory. The path should point at the large directory > needed for the application - any new files created in > there and in any paths under it will be forced by smbd > into upper case - but smbd will no longer have to scan > the directory for names - it knows that if a file doesn't > exist in upper case then it doesn't exist at all. > > So please give this a test if you have problems with > Samba and large sized directories. Remember this is in SVN code > only, it isn't in the 3.0.11 pre releases or rc candidates, > as we need to ensure this new code is correct. If you > can help me test it it'll be in 3.0.12 (security problems > notwithstanding :-). > > Cheers, > > Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/listinfo/samba