[Gluster-devel] [Gluster-infra] Unexpected jenkins restart

[Smit Thakkar]

Adding new builders can be done via the UI right? Can’t Jenkins API help
with that too? As reloading jenkins everytime you add builder is a bit too
much IMO

On Tue, May 26, 2020 at 15:04 Michael Scherer <mscherer at redhat.com> wrote:

> Le mardi 26 mai 2020 à 12:50 +0200, Michael Scherer a écrit :
> > Le mardi 26 mai 2020 à 12:33 +0200, Michael Scherer a écrit :
> > > Hi,
> > >
> > > while working on the jenkins automation (mostly adding new host
> > > with
> > > CLI), I did a jenkins-cli reload-configuration. Turn out that this
> > > is,
> > > contrary to what I expected, also seems to have blocked jenkins
> > > somehow.
> > >
> > > I am trying to figure exactly what is happening, cause I do not
> > > expect
> > > that to be so long.
> >
> > My current hypothesis is that jenkins is still running, but currently
> > reloading the config seems to imply "read all xml files in
> > /var/lib/jenkins" or something. I do not know where this do come
> > from,
> > but this also mean that the server is busy parsing all builds results
> > in /var/lib/jenkins/jobs, a 72G directory with around 148652 files if
> > I
> > can trust find and wc.
> >
> > I will dig a bit more before interrupting the server brutally
>
> Seems jenkins did manage to come back by itself, after 20 minutes.
>
> The good news is that it seems that after 3 days of work, we found a
> way (minus some ansible hack to be fixed) to dynamically add builders.
> The bad new is that jenkins reload is busted, cause 20 minutes of
> downtime do not seems optimal at all, and we would need to fix that
> before going on.
>
> For folks who are eager on reading java, that's somewhere here:
>
>
> https://github.com/jenkinsci/jenkins/blob/master/core/src/main/java/jenkins/model/Jenkins.java#L3234
>
> ( from ./core/src/main/java/hudson/cli/ReloadConfigurationCommand.java
> to doReload, to reload to loadTasks).
>
> --
> Michael Scherer / He/Il/Er/Él
> Sysadmin, Community Infrastructure
>
>
>
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