Some insight in the gerrit problem

[Itamar Heim]

On 06/06/2013 05:44 PM, David Caro wrote:
> One of the problems that I've seen is that xinetd is configured to a low
> limit of simultaneous connections and it's dropping them when a few
> jenkins jobs are running in parallel.
>
> Changing/adding these options in the /etc/xinit.d/git file should be
> enough (those are the actual values):
> #       Connection per second and time to wait when reached
>          cps             = 50 10
> #       Max number of parallel instances
>          instances       = 50
> #       Max number of connection per source
>          per_source      = 10
>
> Here is the trace of one of the failures:
>
>
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X1
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X2
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X2
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X2
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X2
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X2
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X3
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X4
> Jun  6 10:30:07 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X2
> Jun  6 10:30:08 gerrit xinetd[1153]: FAIL: git service_limit
> from=::ffff:XX.XX.XX.X5
> Jun  6 10:30:08 gerrit xinetd[1153]: EXIT: git status=0 pid=340
> duration=1(sec)
>
> ### The XX.XX.XX.XX are obfuscated ips
>
>
> Also I've seen that the number of open files is stable and between
> reasonable values, that's good :)
> And memory and load seem fine too.
>
>
> I'll keep monitoring it and see if I see something more, but I recommend
> raising the values and see if it's enough of there's another underlying
> problem.
>
>

thanks, please go ahead and do the xinit.d change.