I had a similar problem - our log read:
/!\ FAILSAFE /!\ Thu Apr 29 10:55:46 -0400 2010
Status: 500 Internal Server Error
Host 'coolhostname.com' is blocked because of many connection
errors; unblock with 'mysqladmin flush-hosts'
so, that mysqladmin flush-hosts cleared up the problem, but then the
problem happened again and again.
We ended up fixing it for good by setting 'max_connect_errors' to 512.
Good luck,
Jason
On Jun 3, 1:02 pm, billv <billvan...@gmail.com> wrote:
> Yes. I just asked our sysadmin. The httpd log shows that max_clients
> limit is reached. When we first ran into the problem, we raised it to
> 256, then to 500. We never have more than 2 or 3 using the server at
> a time, so it seems something is not closing properly.
>
> Thanks.
>
> On Jun 3, 1:30 pm, chewmanfoo <chewman...@gmail.com> wrote:
>
>
>
> > examine your error_log (/var/log/httpd/error_log?) and the
> > production.log. What is the issue? Does it just freeze without a
> > note in the logs?
>
> > On Jun 3, 11:56 am, billv <billvan...@gmail.com> wrote:
>
> > > We have a virtual server running CentOS5 and Rails 2.3.5 with Ruby
> > > 1.8.7. There are two lightly used rails apps in production on the
> > > server. Every so often, maybe once a month, Apache freezes. A
> > > simple service reset restores service. Has anyone else experienced
> > > such a problem? Any ideas as to what it could be? We're new to
> > > rails, so we could easily have missed an important configuration
> > > option in the rails apps, apache or passenger.
>
> > > Thanks in advance.
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