lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Yago Riveiro" <>
Subject Re: Recovering from Out of Mem
Date Tue, 14 Oct 2014 14:02:03 GMT

Any example for script?

/Yago Riveiro

On Tue, Oct 14, 2014 at 2:48 PM, Boogie Shafer <>

> a really simple approach is to have the OOM generate an email
> e.g. 
> 1) create a simple script (call it and drop it in your tomcat bin dir
> echo `date` | mail -s "Java Error: OutOfMemory - $HOSTNAME"
> 2) configure your java options (in or similar) to trigger heap dump and the
email script when OOM occurs
> # config error behaviors
> CATALINA_OPTS="$CATALINA_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$TOMCAT_DIR/temp/tomcat-dump.hprof
-XX:OnError=$TOMCAT_DIR/bin/ -XX:OnOutOfMemoryError=$TOMCAT_DIR/bin/
> ________________________________________
> From: Mark Miller <>
> Sent: Tuesday, October 14, 2014 06:30
> To:
> 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
> - Mark
>> On Oct 14, 2014, at 9:06 AM, Salman Akram <>
>> 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
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message