Rohit - for debugging hangs you will can trigger platfom specific dump and analyze it.
On Sep 3, 2011, at 9:39 AM, "Rohit" <ro...@in-rev.com> wrote: > Thanks Simon, did get that part, it was happening because solr was not able > to reserve enough memory when it had hung once. The server has 24G of memory > and I am try to start solr with "-Xms2g -Xmx16g -XX:MaxPermSize=3072m -D64" > option. But, this is not my main concern, how do I find out why solr hangs > and is there a way to automatically kill and restart. > > > Regards, > Rohit > Mobile: +91-9901768202 > About Me: http://about.me/rohitg > > -----Original Message----- > From: simon [mailto:mtnes...@gmail.com] > Sent: 02 September 2011 14:03 > To: solr-user@lucene.apache.org > Subject: Re: Solr Hangs > > That error has nothing to do with Solr - it looks as though you are trying > to start the JVM with a heap size that is too big for the available physical > memory. > > -Simon > > On Fri, Sep 2, 2011 at 2:15 AM, Rohit <ro...@in-rev.com> wrote: > >> Hi All, >> >> >> >> I am using Solr 3.0 and have 4 cores build into it with the following >> statistics, >> >> >> >> Core1 : numDocs : 69402640 maxDoc : 69404745 >> >> Core2 : numDocs : 5669231 maxDoc : 5808496 >> >> Core3 : numDocs : 6654951 maxDoc : 6654954 >> >> Core4: numDocs : 138872 maxDoc : 185723 >> >> >> >> The number of updates are very high into 2 of the cores, solr is running > in >> tomcat with the following JAVA_OPTS values "-Xms2g -Xmx16g >> -XX:MaxPermSize=3072m -D64" . >> >> >> >> When Solr hangs and I try to restart it I am getting the following error, >> which does indicate that it's a memory problem, but how can overcome the >> problem of hanging. >> >> >> >> Error occurred during initialization of VM >> Could not reserve enough space for object heap >> >> >> >> >> >> Regards, >> >> Rohit >> >> Mobile: +91-9901768202 >> >> About Me: <http://about.me/rohitg> http://about.me/rohitg >> >> >> >> >