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

Reply via email to