Production Weekly Rolling Tomcat Restarts

[Rhys Smith]

Agreed. The members of my IdP cluster (which uses terracotta) are set to reload config files automagically without restarting the container. And so the only time my tomcat instances (6.0) have *ever* been restarted in probably the last two years is when I've done kernel updates on the underlying OS, which I probably do a few times a year.

Many moons ago I restarted them every few weeks, but as Dave said, that was because of memory leak issues that were fixed a long time ago.

Rhys.
--
Dr Rhys Smith
Identity, Access, and Middleware Specialist
Cardiff University & Janet - the UK's research and education network

email: smith at cardiff.ac.uk / rhys.smith at ja.net
GPG: 0xDE2F024C

On 26 Feb 2013, at 20:43, David Langenberg <davel at uchicago.edu> wrote:

> On Feb 26, 2013, at 1:21 PM, David Gersic <dgersic at niu.edu> wrote:
> 
>>>>> On 2/26/2013 at 01:14 PM, "Royder, Kyle D" <kroyder at austin.utexas.edu> wrote: 
>>> shib users:
>>> 
>>> I've inherited a Shibboleth service that includes 3 IdP.  There is a cron 
>>> job on each machine to restart tomcat automatically once a week, on different 
>>> days, for each machine.  I can't find any discussion as to why this was setup 
>>> this way.
>> 
>> Likely it was a workaround for a problem, probably one that has long since been resolved.
> 
> Agreed, long ago there was something in ours that was leaking memory, but that's been fixed for years.
> 
>> 
>> 
>>> Is it normal or recommended for a high traffic IdP tomcat instance 
>>> to be restarted regularly
>> 
>> I'm going with "no" here. I don't restart mine unless there's a problem requiring it, and then I work to ensure that whatever the problem was that it gets resolved and stays resolved so that I don't have to do it again.
> 
> Only reason we restart ours is for system patches or due to config changes that we haven't yet setup to auto-apply.
> 
> Dave
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