Judgenode Down issue
jaap at jaapeldering.nl
Fri Aug 5 14:24:58 CEST 2016
On 05-08-16 06:34, Aneesh R wrote:
> Yes you are right the contest time is 10 AM to 1 PM,but we are using
> only one judgenode, before and after the contest the judge node will
> going down each 5 to 10 minutes.So is there ny way to reslove this.
> Now in the same server trying to upload 18.8MB sized test cases
> unfortunately we are getting warning message like :warning: No image
> file specified for new testcase, ignoring. We have already changed Mysql
> configuration file maximum allow size is from 16MB to 500MB, up to 15 MB
> sized test cases can successfully uploaded .So can ypu please help me to
> resolve this issue.
You can safely ignore the image warning. Probably we should suppress
Did you also raise the relevant PHP limits? See the DOMjudge config
> On Thu, Aug 4, 2016 at 7:33 PM, Jaap Eldering <jaap at jaapeldering.nl
> <mailto:jaap at jaapeldering.nl>> wrote:
> On 04-08-16 01:10, Br. Anand Shenoi wrote:
> > Hi Jaap!
> > Please find the Judgehost log for the contest we had held on 27th.
> I assume the contest ran approximately between 9am - 1pm? Before and
> after those times I see many errors that the judgedaemon cannot connect
> to the host (i.e. the domserver), but also during the contest there are
> a couple of times this is reported, see attached lines filtered from the
> judgedaemon log.
> It looks like that the connection was not always up and the judgedaemon
> couldn't reach the server. Alternatively, it could be that the server
> was under high load (but then I'd expect to see timeouts as well) or
> that it had a too low maximum connection count configured.
> Did you see the same problem with other judgehosts?
> > *From: *Jaap Eldering <mailto:jaap at jaapeldering.nl
> <mailto:jaap at jaapeldering.nl>>
> > *Sent: *27 July 2016 06:18 PM
> > *To: *Aneesh R <mailto:aneeshktr.amrita at gmail.com
> <mailto:aneeshktr.amrita at gmail.com>>;
> > domjudge-devel at domjudge.org <mailto:domjudge-devel at domjudge.org>
> <mailto:domjudge-devel at domjudge.org
> <mailto:domjudge-devel at domjudge.org>>
> > *Cc: *Anand Shenoi <mailto:shenoianand at gmail.com
> <mailto:shenoianand at gmail.com>>
> > *Subject: *Re: Judgenode Down issue
> > Hi Aneesh,
> > On 27-07-16 08:01, Aneesh R wrote:
> >> Dear Team
> >> We have hosted Domjudge 5.0.1 in our university, on 27-07-16 we have
> >> conducted practice test for our students , we are facing some
> issue in
> >> judgenode each 10-15 minutes it will goes down , i here attached the
> >> screen shots of apache error log file,anyone can help me to
> resolve the
> >> judgehost node down issue . We have separate technical wing is
> here ,i
> >> just enquire with them they told it occur due to the problem set time
> >> limit . For example one problem time limit have 1 minut after
> that the
> >> judgenode will goes down
> >> I think appache error log is not much for identify this problem, if
> >> anything more please specify i will update here
> > Could you attach the judge log file from one of the judgehosts
> that has
> > experienced this problem at least a few times?
> > Also, was the DOMjudge website in any way slow to respond when this
> > occurred? Since my first guess would be a timeout issue when the
> > judgedaemons are trying to contact the server via the REST API.
> > Jaap
> > _______________________________________________
> > DOMjudge-devel mailing list
> > DOMjudge-devel at domjudge.org <mailto:DOMjudge-devel at domjudge.org>
> > https://www.domjudge.org/mailman/listinfo/domjudge-devel
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