Re: FreeBSD question.

On Mon, 30 Jan 2012, Matthew D. Fuller wrote:

|->On Mon, Jan 30, 2012 at 10:19:23AM -0800 I heard the voice of
|->Keith, and lo! it spake thus:
|->>
|->> So if the files are all owned by one person, its fine.
|->
|->[...]
|->
|->> Micheal suggested nscd, which I am looking into, but I have never
|->> had to use it before on any of the servers I have run.
|->
|->Shouldn't be necessary at that scale.  Try changing nsswitch.conf over
|->to just using 'files' for group and passwd.  It may be sneaking off
|->through NIS routines and eating giant chunks of time.

Hi.

I was able to figure this out a few mins before I got your suggestion.

A post to freebsd-stable in 2007, a fellow had the same problem and
the fix was to do exactly what you suggest. Once I had an idea where
the slowness was coming from I was able to google-fu my way through it.

I did do a ktrace, and with nsswitch in compat and files mode.

I ctrl-c'd ktrace when it went on for more than about 5 mins and using
nsswitch with compat I got an 11G trace. When using files instead of
compat, I got a 9M trace file.

Thanks!

Keith


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