On Feb 22, 2012, at 3:55 PM, Quanah Gibson-Mount wrote:
> I would note the only reason this is being hit at all is because slapd has
> been linked to tcpwrappers. I personally frown on such linking, as you can do
> much more sophisticated filtering at the ACL level in OpenLDAP, and all it
> does is create issues such as this one. If you aren't using
> hosts.{allow,deny} then rebuild w/o the tcpwrappers linking, and this problem
> will disappear entirely.
>
> --Quanah
I think this is a reasonable suggestion and iptables is another suitable
alternative for this functionality.
However, this doesn't address my concern by itself. When I removed the link to
tcpwrappers (by setting --disable-wrappers in debian/configure.options) I still
hit a ceiling at ~1130 connections:
> Feb 21 15:08:59 test slapd[449]: daemon: accept(8) failed errno=24 (Too many
> open files)
If I raise the nofiles limit to 2048, I hit the ceiling around 2160
connections. nofiles limit 8192: ceiling ~8300.
-Chris
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