Re: Memory usage for process

[Andrea Pagani]

Hello Martin,

I've attached a tar-gzipped file containing traces for stdout, strace 
and messages.

Best regards.
Andrea

Martin Pala wrote:

> Hi,
>
> i have added more verbose error logging to monit. Please check out the 
> current monit version from cvs using:
>
>  export CVS_RSH="ssh"
>  cvs -z3 -d:ext:address@hidden:/cvsroot/monit co monit
>
> (run monit in debug mode during test via '-v' option)
>
> Thanks :)
> Martin
>
> Andrea Pagani wrote:
>
> > My configure.log reports the following:
> >
> > ...
> > configure:9519: checking for resource support
> > configure:9540: result: enabled
> > ...
> >
> > and doing the configure phase again gave in output 'checking for 
> > resource support... enabled'.
> >
> > Actually, looking at validate.c in check_process(Service_T s), it 
> > seems like it never enters check_process_resources(), while it passes 
> > through check_process_state(s). The piece of code there is as follow:
> >
> >  if(Run.doprocess) {
> >    if(update_process_data(s, ptree, ptreesize, pid)) {
> >      check_process_state(s);
> >      for(pr= s->resourcelist; pr; pr= pr->next) {
> >        check_process_resources(s, pr);
> >      }
> >    } else {
> >      log("'%s' failed to get service data\n", s->name);
> >    }
> >  }
> >
> > As far as I understand, this happens when 's->resourcelist' is NULL, 
> > but can you tell me when does this happen?
> >
> > Best regards.
> > Andrea
> >
> > Martin Pala wrote:
> >
> > > I have tried to replicate the problem but it woks on my computer 
> > > without problems. I tried it on Debian with kernels 2.6.8.1 and 
> > > 2.4.27, single CPU, 512MB RAM.
> > >
> > > In your logs i can see only one strange thing - there is no cpu 
> > > usage entry for monitored process 'heartbeat'. In my case, monit 
> > > reports this statistic, for example:
> > >
> > > [CEST Oct 13 23:01:46] 'slapd' zombie check passed [status_flag=0000]
> > > [CEST Oct 13 23:01:46] 'slapd' cpu usage check passed [current cpu 
> > > usage=0.0%]
> > > [CEST Oct 13 23:01:46] 'slapd' succeeded connecting to 
> > > INET[127.0.0.1:389]
> > > [CEST Oct 13 23:01:46] 'slapd' succeeded testing protocol [LDAP3] at 
> > > INET[127.0.0.1:389]
> > >
> > >
> > > I.e. it may be possible that your monit is compiled without resource 
> > > monitoring support - check that your confiure phase contains 
> > > following line near the end of output:
> > >
> > >          resource monitoring: enabled
> > >
> > > ... and that you are not using --without-resource option.
> > >
> > > Cheers,
> > > Martin
> > >
> > > Andrea Pagani wrote:
> > >
> > > > I activated monit in debug mode but I couldn't see any error and 
> > > > still I got the same strange values for processes' memory size 
> > > > (system memory usage, which was one of the problem solved with 
> > > > official 4.4 version, seems ok).
> > > >
> > > > I tried to follow even Andreas Rust's advice, installing 4.4-beta5, 
> > > > but I observed the same behaviour.
> > > >
> > > > Best regards.
> > > > Andrea
> > > >
> > > > PS : Reported below is a piece of logfile, but even after 
> > > > activating the other services I had no error.
> > > >
> > > > -----------------
> > > >
> > > > Oct  8 18:31:02 ic2sn004 monit: monit: Debug: Adding credentials 
> > > > for user 'admin'.
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: Starting monit daemon with 
> > > > http interface at [*:2812]
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: Starting monit HTTP server 
> > > > at [*:2812]
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: monit HTTP server started
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: 'system' load average 
> > > > [0.00][0.00][0.00]
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: 'system' memory usage 2.6% 
> > > > [158144 kB]
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: 'system' cpu usage 0.0%us 
> > > > 0.0%sy 0.0%wa
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: 'heartbeat' process is not 
> > > > running
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: 'heartbeat' trying to restart
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: Monitoring disabled -- 
> > > > service heartbeat
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: 'heartbeat' start: 
> > > > /etc/init.d/heartbeat
> > > > Oct  8 18:31:02 ic2sn004 monit[25083]: Monitoring enabled -- 
> > > > service heartbeat
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25135]: info: 
> > > > **************************
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25135]: info: Configuration 
> > > > validated. Starting heartbeat 1.3.0
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25136]: info: heartbeat: version 
> > > > 1.3.0
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25136]: info: Heartbeat 
> > > > generation: 22
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25136]: info: UDP Broadcast 
> > > > heartbeat started on port 694 (694) interface eth1
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25136]: info: UDP Broadcast 
> > > > heartbeat started on port 694 (694) interface eth0
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25136]: info: pid 25136 locked 
> > > > in memory.
> > > > Oct  8 18:31:02 ic2sn004 heartbeat[25136]: info: Local status now 
> > > > set to: 'up'
> > > > Oct  8 18:31:03 ic2sn004 heartbeat[25142]: info: pid 25142 locked 
> > > > in memory.
> > > > Oct  8 18:31:03 ic2sn004 heartbeat[25139]: info: pid 25139 locked 
> > > > in memory.
> > > > Oct  8 18:31:03 ic2sn004 heartbeat[25141]: info: pid 25141 locked 
> > > > in memory.
> > > > Oct  8 18:31:03 ic2sn004 heartbeat[25140]: info: pid 25140 locked 
> > > > in memory.
> > > > Oct  8 18:31:03 ic2sn004 heartbeat[25143]: info: pid 25143 locked 
> > > > in memory.
> > > > Oct  8 18:31:03 ic2sn004 heartbeat[25136]: info: Link ic2sn004:eth0 
> > > > up.
> > > > Oct  8 18:31:03 ic2sn004 heartbeat[25136]: info: Link ic2sn004:eth1 
> > > > up.
> > > > Oct  8 18:31:12 ic2sn004 monit[25083]: 'system' load average 
> > > > [0.00][0.00][0.00]
> > > > Oct  8 18:31:12 ic2sn004 monit[25083]: 'system' memory usage 2.6% 
> > > > [158980 kB]
> > > > Oct  8 18:31:12 ic2sn004 monit[25083]: 'system' cpu usage 0.0%us 
> > > > 0.9%sy 15.9%wa
> > > > Oct  8 18:31:12 ic2sn004 monit[25083]: 'heartbeat' process is 
> > > > running with pid 25136
> > > > Oct  8 18:31:12 ic2sn004 monit[25083]: 'heartbeat' zombie check 
> > > > passed [status_flag=0000]
> > > > Oct  8 18:31:22 ic2sn004 monit[25083]: 'system' load average 
> > > > [0.00][0.00][0.00]
> > > > Oct  8 18:31:22 ic2sn004 monit[25083]: 'system' memory usage 2.6% 
> > > > [158980 kB]
> > > > Oct  8 18:31:22 ic2sn004 monit[25083]: 'system' cpu usage 0.0%us 
> > > > 0.0%sy 1.9%wa
> > > > Oct  8 18:31:22 ic2sn004 monit[25083]: 'heartbeat' zombie check 
> > > > passed [status_flag=0000]
> > > >
> > > >
> > > > address@hidden wrote:
> > > >
> > > > > Date: Thu, 07 Oct 2004 20:22:22 +0200
> > > > > From: Martin Pala <address@hidden>
> > > > > Subject: Re: Memory usage for process
> > > > > To: This is the general mailing list for monit
> > > > >     <address@hidden>
> > > > > Message-ID: <address@hidden>
> > > > > Content-Type: text/plain; charset=us-ascii; format=flowed
> > > > >
> > > > > Are there some error messages in monit log? (please run monit in 
> > > > > debug mode)
> > > > >
> > > > > Thanks,
> > > > > Martin
> > > > >
> > > > > Andrea Pagani wrote:
> > > > >  
> > > > >
> > > > > > Hello,
> > > > > >
> > > > > > I'm running monit version 4.4 on a RedHat Linux AS 3.0 (kernel
> > > > > > 2.4.21-15.ELsmp) on top of a HP-ProLiant DL380 and I've noticed
> > > > > > that at runtime many of monit services of type process are
> > > > > > showing "Memory" values which have non-sense, like shown below:
> > > > > >
> > > > > > Process 'heartbeat'
> > > > > > status                            running
> > > > > > monitoring status                 monitored
> > > > > > pid                               16385
> > > > > > parent pid                        1
> > > > > > uptime                            1d 19h 23m 
> > > > > > childrens                         5
> > > > > > memory kilobytes                  -1112
> > > > > > memory kilobytes total            -7612
> > > > > > memory percent                    72401.9%
> > > > > > memory percent total              72401.8%
> > > > > > cpu percent                       0.0%
> > > > > > cpu percent total                 0.0%
> > > > > > data collected                    Wed Oct  6 14:16:36 2004
> > > > > >
> > > > > > Process 'postgresql'
> > > > > > status                            running
> > > > > > monitoring status                 monitored
> > > > > > pid                               27386
> > > > > > parent pid                        1
> > > > > > uptime                            2h 11m 
> > > > > > childrens                         4
> > > > > > memory kilobytes                  -1460
> > > > > > memory kilobytes total            -5376
> > > > > > memory percent                    72401.9%
> > > > > > memory percent total              72401.9%
> > > > > > cpu percent                       0.0%
> > > > > > cpu percent total                 0.0%
> > > > > > port response time                0.000s to localhost:5000 [DEFAULT]
> > > > > > data collected                    Wed Oct  6 14:16:36 2004
> > > > > >
> > > > > > Process 'as'
> > > > > > status                            running
> > > > > > monitoring status                 monitored
> > > > > > pid                               27370
> > > > > > parent pid                        1
> > > > > > uptime                            2h 11m 
> > > > > > childrens                         1
> > > > > > memory kilobytes                  -512
> > > > > > memory kilobytes total            372
> > > > > > memory percent                    72401.9%
> > > > > > memory percent total              0.0%
> > > > > > cpu percent                       0.0%
> > > > > > cpu percent total                 0.0%
> > > > > > data collected                    Wed Oct  6 14:16:36 2004
> > > > > >
> > > > > > Process 'as_jvm'
> > > > > > status                            running
> > > > > > monitoring status                 monitored
> > > > > > pid                               27392
> > > > > > parent pid                        27370
> > > > > > uptime                            1h 44m 
> > > > > > childrens                         0
> > > > > > memory kilobytes                  884
> > > > > > memory kilobytes total            884
> > > > > > memory percent                    0.0%
> > > > > > memory percent total              0.0%
> > > > > > cpu percent                       0.0%
> > > > > > cpu percent total                 0.0%
> > > > > > data collected                    Wed Oct  6 14:16:36 2004
> > > > > >
> > > > > > What's the matter with them? Is there something wrong with my
> > > > > > configuration or is it a wrong memory usage computation?
> > > > > >
> > > > > > Best regards.
> > > > > > Andrea
> > > > > >
> > > > > >
> > > > > >   
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > To unsubscribe:
> > > > http://lists.nongnu.org/mailman/listinfo/monit-general
> > >
> > >
> > >
> > >
> > >
> > >
> > > --
> > > To unsubscribe:
> > > http://lists.nongnu.org/mailman/listinfo/monit-general
>
>
>
> --
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--
Andrea Pagani

Italtel S.p.A. - Technology & Product Development Unit
BUPR-TPD-ASPD Castelletto C18 - 20019 Settimo Milanese (MI) - ITALY
phone: +39.2.4388.3469, fax: +39.2.4388.8431, e-mail: address@hidden

monitlog.tgz
Description: application/compressed