Re: PostgreSQL 7.1 (current release) - frequent errno:55 (buffer space error)

* Tom Lane <tgl@sss.pgh.pa.us> [010511 00:13]:
> Keith Bussey <kbussey@wisol.com> writes:
> > I am running PostgreSQL on a FreeBSD machine with 1 Gig of ram, and dual
> > P3-733mhz CPUs. This server also runs Apache and is a production/web server.
>
> > I frequently run into the errno:55 on my site, if I simply click refresh it
> > goes away. Anyone have any ideas what is causing this, or how to fix it ?
>

It's a system error, I quote from man 2 intro

---------------------------------------------------
     55 ENOBUFS No buffer space available.  An operation on a socket or pipe
             was not performed because the system lacked sufficient buffer
             space or because a queue was full.
---------------------------------------------------

which sounds like you're running low on system resources,
is the box thrashing itself ot death when you get this error?

(Take this off-list if you want as it sounds system related, not
application-specific)

> AFAIK there is no part of Postgres that would report something like
> "errno:55"; we prefer textual error messages ;-).  No do I have the
> foggiest idea what you mean by "click refresh".  I suspect your problem
> does not lie with Postgres but with some other software --- Apache maybe?
>
>             regards, tom lane
>
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