[Spacewalk-list] Really slow unresponsive GUI

[Matthew Madey]

Double check the httpd_error log. I occasionally get errors with AJP
connector timeout, so apache and tomcat stop communicating. I had to make
some modifications to the maxclients settings in the httpd.conf and
spacewalk httpd conf files to reduce these occurrences.

On Sat, Mar 9, 2019 at 1:20 AM Lionel Caignec <caignec at cines.fr> wrote:

> Thanks again for response, but there is no ERR/WARN in catalina log
>
>
> I've noticed when i tried view "kickstart profile" webpage everytime i get
> error 500. Then all the GUI is slow or unreponsive.
> In log i've notice a " kickstartable tree unique constraint violation".
> I'll post exact error message monday when i'll be back at work.
> In the database which table store "kickstart profile" information? Perhaps
> i can try to manually change the link between the profile and another
> kickstart tree?
>
> Last question which service manage the web gui and API? Is it taskomatic?
> What the best way to put log level at debug on taskomatic?
>
>
> Lionel.
>
> ----- Mail original -----
> De: "Robert Paschedag" <robert.paschedag at web.de>
> À: "spacewalk-list" <spacewalk-list at redhat.com>, "Lionel Caignec" <
> caignec at cines.fr>, "spacewalk-list" <spacewalk-list at redhat.com>
> Envoyé: Vendredi 8 Mars 2019 18:08:12
> Objet: Re: [Spacewalk-list] Really slow unresponsive GUI
>
> Am 8. März 2019 16:55:47 MEZ schrieb Lionel Caignec <caignec at cines.fr>:
> >Hi Phil,
> >
> >thank for your help. No error about java heap space, but tried to
> >configure taskomatic memory like you said without success.
> >
> >I setup the kickstart part long time ago, just using satellite redhat
> >doc.
>
> Errors within catalina.log?
>
> Robert
>
> >
> >----- Mail original -----
> >De: "P Cookson" <P.Cookson at bham.ac.uk>
> >À: "spacewalk-list" <spacewalk-list at redhat.com>
> >Envoyé: Vendredi 8 Mars 2019 16:43:23
> >Objet: Re: [Spacewalk-list] Really slow unresponsive GUI
> >
> >Hi Lionel
> >
> >Have you looked in /var/log/rhn/rhn_taskomatic_daemon.log too? After
> >seeing "java.lang.OutOfMemoryError: Java heap space" messages, in
> >there, I changed config for Taskomatic but not sure if this is relevant
> >for you?
> >
> >Current maxmemory (Xmx) can be seen by checking status of Taskomatic:
> >
> ># systemctl status taskomatic.service
> >
> >I increased from 256 to 4096:
> >
> ># grep taskomatic.java.maxmemory /etc/rhn/rhn.conf
> >taskomatic.java.maxmemory=4096
> >#
> >
> >Then re-started Spacewalk:
> >
> ># spacewalk-service restart
> >
> >Also, I've noted you've said something about using Kickstart. After
> >patching for some time I need to start looking at provisioning, too, so
> >if you have any notes/links about setup that would be useful.
> >
> >
> >Regards
> >Phil
> >
> >-----Original Message-----
> >From: spacewalk-list-bounces at redhat.com
> ><spacewalk-list-bounces at redhat.com> On Behalf Of caignec at cines.fr
> >Sent: 08 March 2019 14:59
> >To: spacewalk-list <spacewalk-list at redhat.com>
> >Subject: [Spacewalk-list] Really slow unresponsive GUI
> >
> >Hi,
> >
> >i'm writing here because i've a strange behaviour with no clue on how
> >to resolve it.
> >There is no load on CPU, ram is mostly free, no IO wait, no processus
> >stuck a 100%. In log file (tomcat/postresql,...) nothing about error or
> >warning.
> >No recent modification on the system.
> >
> >When i want to access spacewalk web interface (or API) this one
> >sometimes answer after a very long time, and sometimes get error 500.
> >Same behaviour with the spacecmd cli command.
> >
> >I really don't understand because i've another spacewalk on another
> >server and this one work like a charm.
> >
> >My setup : VM with 2vpcu 8Gb RAM near 200 clients spacewalk 2.8, used
> >only for patching and sometimes kickstart new server.
> > JAVA_OPTS -Xms2048m -Xmx2048m, tried with 4096 but no difference.
> >
> >I don't know which log to put here due to the fact i found no error
> >trace.
> >
> >For now the only solution I imagine is to backup and restore to a new
> >server freshly installed my spacewalk.
> >
> >Thank you for help.
> >
> >--
> >Lionel Caignec
> >
> >Centre Informatique National de l' Enseignement Supérieur
> >950 rue de Saint Priest
> >34097 MONTPELLIER Cedex 5
> >Tel : (33) 04 67 14 14 14
> >Fax : (33)04 67 52 37 63
> >https://www.cines.fr
> >
> >_______________________________________________
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> >Spacewalk-list at redhat.com
> >https://www.redhat.com/mailman/listinfo/spacewalk-list
>
>
> --
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