Date: Wed, 12 Sep 2001 22:52:34 +0100 From: ian j hart <ianjhart@ntlworld.com> To: ports@FreeBSD.ORG Subject: Re: samba PDC / kernel tuning Message-ID: <3B9FD922.2203878C@ntlworld.com> References: <3B9D0F47.7F15113A@ntlworld.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Replies to self - how sad. ian j hart wrote: > > Can anyone running samba (PDC) with more than a token number > of users help me? > > Something is limiting network connections/open files/ number of > processes/size of processes/something else I didn't think of. > The result is that any more than a dozen or so logins at the > same time causes the connections to fail. Clients hang at the > login batch script, or when reading shares. I assume I'm > hitting one of the kernel limits, but which one? > > I have 512Mb RAM, maxusers 256. I've tried adding 10000 to both > kern.maxfiles and kern.maxfilesperproc just in case, even > though I seem to be short of the limits (8232). kern.ipc.nmbufs > is 18432. I also tried MAXDSIZ and DFLDSIZ set to 512*1024*1024, > no joy. I revoked this as it didn't fix and ran slower. It looks like it _was_ the MAXDSIZ, DFLDSIZ options, which default to 128Mb. I guess I didn't load the server hard enough when I tested this. Now I have a different problem - see separate post. > > I've been looking for tools to help and the best I could come > up with is > > fstat | wc -l > netstat -m > > lsof doesn't seem any better than fstat in this case. Nothing > in the logs either (log level 10). (I was getting file table > full, but that was with 32 users). I did have every smbd process > core, but that was when I stopped samba (oops) - so I don't think > that indicates any problem with the program. > > There is something like 380Mb free so it looks to me like > samba cannot 'grow' to accommodate all the connections > > Please, please, please somebody help me. If I cannot fix this soon > (tomorrow!) I'll be forced to install NT <shudder>. > > IIRC 4.4-RC from Thursday, samba 2.2.1a_1 > > -- > ian j hart -- ian j hart To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ports" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3B9FD922.2203878C>