lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Zheng Lin Edwin Yeo <edwinye...@gmail.com>
Subject Re: PermGen space OutOfMemory error when Solr is running
Date Mon, 01 Jun 2015 00:55:42 GMT
No worries, will try that out. Thank you so much for the answers.

Regards,
Edwin

On 31 May 2015 at 18:13, Tomasz Borek <tomasz.borek@gmail.com> wrote:

> Sorry for belated answer - travels.
>
> Yes it is. Either via jvisualvm or Java Mission Control and if you want it
> scripted you might want to look at jmap from /bin dir in JDK. If you're on
> Windows debugging tools might be needed for that last part (see man for
> jmap).
>
> pozdrawiam,
> LAFK
>
> 2015-05-19 5:18 GMT+02:00 Zheng Lin Edwin Yeo <edwinyeozl@gmail.com>:
>
> > Thanks for the info.
> >
> > I was afraid that there's a memory leak, although so far the problem
> didn't
> > occur after I enlarge the PermGen size.
> >
> > Is there any way to check the current PermGen size usage and prevent it
> > before the system crash? I've read some articles and they recommend that
> I
> > can include this phase during the startup of the server
> > '-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp/heapDumps'. I've
> > included this but this will only output the dump when the error occurs.
> >
> > Regards,
> > Edwin
> >
> >
> > On 18 May 2015 at 16:54, Tomasz Borek <tomasz.borek@gmail.com> wrote:
> >
> > > The error happens either when you have too large codebase or when you
> are
> > > String-intensive in your application (Solr including) or when your
> > previous
> > > process did not terminate well.
> > >
> > > Can't say for certain what Solr usage scenarios are string intensive
> > > without deep look at it's code. Usually enlarging PermSize helps with
> > this
> > > problem, though if there's a leak, it will only increase the time app
> > > operates prior to crash.
> > >
> > > This is purely from JVM side of things. You may want to read up more on
> > > PermGen to know various problem scenarios.
> > >
> > > pozdrawiam,
> > > LAFK
> > >
> > > 2015-05-18 4:07 GMT+02:00 Zheng Lin Edwin Yeo <edwinyeozl@gmail.com>:
> > >
> > > > Hi,
> > > >
> > > > I've recently upgrade my system to 16GB RAM. While there's no more
> > > > OutofMemory due to the physically memory being full, I get this
> > > > "java.lang.OutOfMemoryError: PermGen space". This doesn't happen
> > > previously
> > > > as I think the physical memory run out first.
> > > >
> > > > This occurs after about 2 days of running the Solr Server
> continuously,
> > > but
> > > > the amout of physically memory used is only between 50% to 60%. I
> have
> > > read
> > > > that we can set -XXMaxPermSize=256M when starting up the server. Will
> > > this
> > > > help and prevent such error to occur?
> > > >
> > > > I'm using Solr-5.1.0 with two shards and a replica for each shard,
> > > together
> > > > with external ZooKeeper 3.4.6
> > > >
> > > >
> > > > Regards,
> > > > Edwin
> > > >
> > >
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message