You are viewing a plain text version of this content. The canonical link for it is here.
Posted to solr-user@lucene.apache.org by KNitin <ni...@gmail.com> on 2014/02/28 20:37:47 UTC
Perm Gen issues in SolrCloud
Hi
I am seeing the Perm Gen usage increase as i keep adding more collections.
What kind of strings get interned in solr? (Only schema , fields,
collection metadata or the data itself?)
Will Permgen space (atleast interned strings) increase proportional to the
size of the data in the collections or with the # of collections themselves?
I have temporarily increased the size of PermGen to deal with this but
would love to understand what goes on behind the scenes
Thanks
Nitin
Re: Perm Gen issues in SolrCloud
Posted by Poornima Jay <po...@rocketmail.com>.
Hi Nitin,
Not sure of you have tried these steps.
1. Stop the Tomcat Server.
2.Find catalina.bat
3.Assign following line to JAVA_OPTS variable and add it into catalina.bat file.
set JAVA_OPTS=-server -Xms512M -Xmx768M -XX:MaxPermSize=256m
4. restart
On Saturday, 1 March 2014 6:02 AM, KNitin <ni...@gmail.com> wrote:
Hi Furkan
I have read that before but I haven't added any new classes or changed
anything with my setup. I just created more collections in solr. How will
that increase perm gen space ? Doesn't solr intern strings at all ?
Interned strings also go to the perm gen space right?
- Nitin
On Fri, Feb 28, 2014 at 3:11 PM, Furkan KAMACI <fu...@gmail.com>wrote:
> Hi;
>
> Jack has an answer for a PermGen usages:
>
> "PermGen memory has to do with number of classes loaded, rather than
> documents.
>
> Here are a couple of pages that help explain Java PermGen issues. The
> bottom
> line is that you can increase the PermGen space, or enable unloading of
> classes, or at least trace class loading to see why the problem occurs.
>
>
> http://stackoverflow.com/questions/88235/how-to-deal-with-java-lang-outofmemoryerror-
> permgen-space-error
>
> http://www.brokenbuild.com/blog/2006/08/04/java-jvm-gc-permgen
> -and-memory-options/
> "
>
> You can see the conversation from here:
> http://search-lucene.com/m/iMaR11lgj3Q1/permgen&subj=PermGen+OOM+Error
>
> Thanks;
> Furkan KAMACI
>
>
> 2014-02-28 21:37 GMT+02:00 KNitin <ni...@gmail.com>:
>
> > Hi
> >
> > I am seeing the Perm Gen usage increase as i keep adding more
> collections.
> > What kind of strings get interned in solr? (Only schema , fields,
> > collection metadata or the data itself?)
> >
> > Will Permgen space (atleast interned strings) increase proportional to
> the
> > size of the data in the collections or with the # of collections
> > themselves?
> >
> >
> > I have temporarily increased the size of PermGen to deal with this but
> > would love to understand what goes on behind the scenes
> >
> > Thanks
> > Nitin
> >
>
Re: Perm Gen issues in SolrCloud
Posted by KNitin <ni...@gmail.com>.
Hi Furkan
I have read that before but I haven't added any new classes or changed
anything with my setup. I just created more collections in solr. How will
that increase perm gen space ? Doesn't solr intern strings at all ?
Interned strings also go to the perm gen space right?
- Nitin
On Fri, Feb 28, 2014 at 3:11 PM, Furkan KAMACI <fu...@gmail.com>wrote:
> Hi;
>
> Jack has an answer for a PermGen usages:
>
> "PermGen memory has to do with number of classes loaded, rather than
> documents.
>
> Here are a couple of pages that help explain Java PermGen issues. The
> bottom
> line is that you can increase the PermGen space, or enable unloading of
> classes, or at least trace class loading to see why the problem occurs.
>
>
> http://stackoverflow.com/questions/88235/how-to-deal-with-java-lang-outofmemoryerror-
> permgen-space-error
>
> http://www.brokenbuild.com/blog/2006/08/04/java-jvm-gc-permgen
> -and-memory-options/
> "
>
> You can see the conversation from here:
> http://search-lucene.com/m/iMaR11lgj3Q1/permgen&subj=PermGen+OOM+Error
>
> Thanks;
> Furkan KAMACI
>
>
> 2014-02-28 21:37 GMT+02:00 KNitin <ni...@gmail.com>:
>
> > Hi
> >
> > I am seeing the Perm Gen usage increase as i keep adding more
> collections.
> > What kind of strings get interned in solr? (Only schema , fields,
> > collection metadata or the data itself?)
> >
> > Will Permgen space (atleast interned strings) increase proportional to
> the
> > size of the data in the collections or with the # of collections
> > themselves?
> >
> >
> > I have temporarily increased the size of PermGen to deal with this but
> > would love to understand what goes on behind the scenes
> >
> > Thanks
> > Nitin
> >
>
Re: Perm Gen issues in SolrCloud
Posted by Furkan KAMACI <fu...@gmail.com>.
Hi;
Jack has an answer for a PermGen usages:
"PermGen memory has to do with number of classes loaded, rather than
documents.
Here are a couple of pages that help explain Java PermGen issues. The
bottom
line is that you can increase the PermGen space, or enable unloading of
classes, or at least trace class loading to see why the problem occurs.
http://stackoverflow.com/questions/88235/how-to-deal-with-java-lang-outofmemoryerror-
permgen-space-error
http://www.brokenbuild.com/blog/2006/08/04/java-jvm-gc-permgen
-and-memory-options/
"
You can see the conversation from here:
http://search-lucene.com/m/iMaR11lgj3Q1/permgen&subj=PermGen+OOM+Error
Thanks;
Furkan KAMACI
2014-02-28 21:37 GMT+02:00 KNitin <ni...@gmail.com>:
> Hi
>
> I am seeing the Perm Gen usage increase as i keep adding more collections.
> What kind of strings get interned in solr? (Only schema , fields,
> collection metadata or the data itself?)
>
> Will Permgen space (atleast interned strings) increase proportional to the
> size of the data in the collections or with the # of collections
> themselves?
>
>
> I have temporarily increased the size of PermGen to deal with this but
> would love to understand what goes on behind the scenes
>
> Thanks
> Nitin
>