[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: failed to get process data

From: Luca Cazzaniga
Subject: Re: failed to get process data
Date: Mon, 22 Nov 2021 13:39:57 +0100

sorry i miss to say I also double check the load of the server on
grafana, and it was not on heavy load for what I can see..
We will evaluate to upgrade monit release if it would be helpful to
solve the issue

On Mon, 22 Nov 2021 at 13:38, Luca Cazzaniga <> wrote:
> Hi Lutz, the pid was saved in a bin directory on a xfs fs, the pidfile
> was removed by the script of the application server, or at least I
> suppose so, in that occasion there's been a service stop via monit and
> the daemon log reported the service was successfully terminated.
> After that there's been an upgrade of the os, a restart of the server
> and at the boot monit should have started the daemon again but it
> looped with the error "sistd failed to get process data" for one
> application server. Anyway it did its work for other services
> configured with pidfile without problem.
> Really strange..
> Not sure how procfs is updated/flushed, it's an interface to the
> kernel structures for process statistics written on a cache.. i wonder
> if it could be deleted or unavailable for some reason..
> On Mon, 22 Nov 2021 at 08:21, Lutz Mader <> wrote:
> >
> > Hello Luca Cazzaniga,
> > thanks for your answer, response. I can not reproduce my problems too,
> > but the problem will came back from time to time, on some of my systems.
> >
> > > In our case the server was just restarted and the problem had persisted 
> > > all
> > > over the week end. The annoying part is that no alert was triggered also 
> > > if
> > > the process wasn't actually running... I don't think the server was
> > > overloaded upon restart anyway but I can't reproduce the problem 
> > > neither...
> > > Maybe an event should be launched in that kinds of situation. Just to let
> > > the sysop know
> >
> > Where are the pid files stored, is a tmpfs used?
> > Do you remove old pid files?
> > Your Linux version is?
> >
> > This is an old version of Monit, any plan to use a new one?
> >
> > >> The monit release on the server is 5.25.3
> >
> > With regards,
> > Lutz
> >

reply via email to

[Prev in Thread] Current Thread [Next in Thread]