[Archivesspace_Users_Group] Server leaking resources? Slows after running a while.

[Rachel Trent]

After implementing the configurations at the tuning page that Trevor linked
to (
https://github.com/archivesspace/tech-docs/blob/master/provisioning/tuning.md#application-settings)
and additional MySQL tweaks, we also found it helpful to set up a chron job
to restart the ASpace every night. This clears some thread/memory that
build up in ASpace, particularly with the java apps.

So far, we haven't run into problems yet with this method, although it's
only been about two weeks so far.


Rachel Trent
Digital Services Manager
Special Collections Research Center
Gelman Library,  George Washington University
2130 H Street NW
Washington DC 20052
202.994.4824
racheltrent at gwu.edu


On Tue, Oct 9, 2018 at 3:07 PM Zachary L Pelli <zachary.pelli at shu.edu>
wrote:

> Hey Blake,
>
> Our server is running Java 1.7.0_181 on RHEL 7.4.
>
> Sadly the log was overwritten when AS was restarted. Silly mistake on my
> part. I'll catch it when it inevitably happens again.
>
> Thanks for the reply.
>
> Regards,
> Zach
>
> -----Original Message-----
> From: archivesspace_users_group-bounces at lyralists.lyrasis.org <
> archivesspace_users_group-bounces at lyralists.lyrasis.org> On Behalf Of
> Blake Carver
> Sent: Tuesday, October 9, 2018 2:00 PM
> To: Archivesspace Users Group <
> archivesspace_users_group at lyralists.lyrasis.org>
> Subject: Re: [Archivesspace_Users_Group] Server leaking resources? Slows
> after running a while.
>
> Hey Zach,
> It's kind of hard to say what happened, seeing some errors in the logs
> would probably answer that.
> It's not a bad idea to give it some more memory, though if it's not a very
> large/busy site, 2 gigs should probably be enough.
> Is this a Windows server?
>
>
>
>
> ________________________________________
> From: archivesspace_users_group-bounces at lyralists.lyrasis.org <
> archivesspace_users_group-bounces at lyralists.lyrasis.org> on behalf of
> Zachary L Pelli <zachary.pelli at shu.edu>
> Sent: Tuesday, October 9, 2018 12:31:39 PM
> To: archivesspace_users_group at lyralists.lyrasis.org
> Subject: [Archivesspace_Users_Group] Server leaking resources? Slows
> after      running a while.
>
> Hey all,
>
> We're having issue with our installation and I'm trying to narrow down
> what the problem is. After the application starts, it runs smoothly. After
> s few days, maybe a week, it slows to a crawl, frequently throwing 502
> errors. I forgot to grab the logs before resetting, but I'll be sure to
> check them next time it happens.
>
> I have set the java heap space to 2500mb on a server with 4gb total
> memory. Running top command when the server was slow showed a constant 100%
> CPU usage and ~80% memory usage. After resetting, it shows 1-20% CPU usage
> and ~38% memory usage.
>
> I have a feeling that  it may be time to upgrade to a more powerful server
> but I want to rule out any application-related issues before making that
> leap.
>
> Regards,
>
> Zach Pelli
> Digital Collections Infrastructure Developer Seton Hall University
> Libraries
> 973.275.2046
>
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