[LUAU] Sendmail Strangeness

[Chris Wong]

On Wed, 24 Feb 1999, The Tuba God wrote:

> >It sounded like the system running out of descriptors... and it shouldn't
> >run out file descriptors anyhow. 256 is plenty.
> 
> % cd /proc/sys/kernel/
> % cat file-max file-nr inode-max inode-nr
> 1024		(max # of openable files in system)
> 1080		(# of actual opened files)
> 3072		(max # of openable inodes in system)
> 3072    2277	(# of actual opened inodes)
> 
> Now, I don't know exactly what this stuff is, but if the kernel list types
> aren't lying, then it would seem I've found my problem -- more opened files
> then are allowed.  I'm not sure how the second number even got to the point
> where it exceeded the first, but I would assume that's the trouble.

Yes... but WHY? What process is eating up all the filehandles?

On my systems (albeit not loaded) the nubmers don't go up past 300...

> So, is the solution now to up those numbers?  The kernel guys think I
> should just echo a new var into "file-max" and "inode-max" to up the number
> of openable files.  Sounds a little non-standard, but hey...

I think that might work... don't know actually but I don't think there's
much harm in it.

What interseting is that the lack of descriptors is happening at a
predefined time. What kind of network activity is going on at that time?

> In the meantime, any advice on getting lsof working?  I would like to see
> what is actually opening all these files, even if I up the number.

None at this time.

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