System frequently stops responding...

[Mohamed Lrhazi]

Thanks Alan, I will investigate that. From the network captures I had taken
before, I did check for DNS and saw only the LDAP server name being queried
for every so often... which itself indicates the system is not caching DNS,
I'll fix that too, and keep this in mind if the issue re-appears.

Thanks,
Mohamed.

On Sat, Aug 1, 2015 at 3:14 AM, Alan DeKok <aland at deployingradius.com>
wrote:

> On Jul 31, 2015, at 5:58 PM, Mohamed Lrhazi <Mohamed.Lrhazi at georgetown.edu>
> wrote:
> > So, would this be a possible explanation to my original problem:
> >
> > - Processing a request that we send to a remote proxy, blocks a thread.
> If
> > we have many such requests concurrently, we end up blocking all
> threads...
>
>   No.  That is not how the server works.
>
>   My guess is that you have something in the system which does DNS
> lookups, and the DNS server is down.  That is the usual cause of 30 second
> lockups.
>
>   Alan DeKok.
>
>
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