Boogie,
Any example for java_error.sh script? — /Yago Riveiro On Tue, Oct 14, 2014 at 2:48 PM, Boogie Shafer <boogie.sha...@proquest.com> wrote: > a really simple approach is to have the OOM generate an email > e.g. > 1) create a simple script (call it java_oom.sh) and drop it in your tomcat > bin dir > echo `date` | mail -s "Java Error: OutOfMemory - $HOSTNAME" not...@domain.com > 2) configure your java options (in setenv.sh or similar) to trigger heap dump > and the email script when OOM occurs > # config error behaviors > CATALINA_OPTS="$CATALINA_OPTS -XX:+HeapDumpOnOutOfMemoryError > -XX:HeapDumpPath=$TOMCAT_DIR/temp/tomcat-dump.hprof > -XX:OnError=$TOMCAT_DIR/bin/java_error.sh > -XX:OnOutOfMemoryError=$TOMCAT_DIR/bin/java_oom.sh > -XX:ErrorFile=$TOMCAT_DIR/temp/java_error%p.log" > ________________________________________ > From: Mark Miller <markrmil...@gmail.com> > Sent: Tuesday, October 14, 2014 06:30 > To: solr-user@lucene.apache.org > Subject: Re: Recovering from Out of Mem > Best is to pass the Java cmd line option that kills the process on OOM and > setup a supervisor on the process to restart it. You need a somewhat recent > release for this to work properly though. > - Mark >> On Oct 14, 2014, at 9:06 AM, Salman Akram >> <salman.ak...@northbaysolutions.net> wrote: >> >> I know there are some suggestions to avoid OOM issue e.g. setting >> appropriate Max Heap size etc. However, what's the best way to recover from >> it as it goes into non-responding state? We are using Tomcat on back end. >> >> The scenario is that once we face OOM issue it keeps on taking queries >> (doesn't give any error) but they just time out. So even though we have a >> fail over system implemented but we don't have a way to distinguish if >> these are real time out queries OR due to OOM. >> >> -- >> Regards, >> >> Salman Akram