[Jenkins-infra] Restarted ci.jenkins.io service

[Andrew Bayer]

We also ended up finding someone hitting /api/json about 2000 times a day.
So there's that.

A.

On Tue, Sep 6, 2016 at 12:31 PM, R. Tyler Croy <tyler at monkeypox.org> wrote:

> (replies inline)
>
> On Fri, 02 Sep 2016, Dean Yu wrote:
>
> > Java 8 + G1GC solved a ton of problems we had compared to Java 7 + CMS.
> Java 8 is much better at cleaning non-heap memory than Java 7 was at
> cleaning PermGen. I???m attaching a graph of our instance to show the
> difference between 7 and 8.
> >
> > We switched in mid-June, where the green line ends. With Java 8, our
> instance runs at 60% heap utilization compared to Java 7. Those green lines
> down to 0 are restarts when we ran out of space in PermGen. With Java 8,
> we???ve had 0 restarts due to memory issues.
>
>
>
> Mmmhmmm delicious data. This helps convince me to switch to JDK8. Filed
> under
> https://issues.jenkins-ci.org/browse/INFRA-916
>
> I will have to root around for proper packages for JDK8 on 14.04 LTS.
>
>
> - R. Tyler Croy
>
> ------------------------------------------------------
>      Code: <https://github.com/rtyler>
>   Chatter: <https://twitter.com/agentdero>
>
>   % gpg --keyserver keys.gnupg.net --recv-key 1426C7DC3F51E16F
> ------------------------------------------------------
>
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