Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS >> mail # user >> Hadoop jobtracker OOME fix applied and no OOME but JT hanged


Copy link to this message
-
Re: Hadoop jobtracker OOME fix applied and no OOME but JT hanged
>From the command line, can you run 'jmap -heap' ?

http://download.oracle.com/javase/1.5.0/docs/tooldocs/share/jmap.html
On Fri, Nov 15, 2013 at 10:50 AM, Viswanathan J
<[EMAIL PROTECTED]>wrote:

> Hi guys,
>
> I had JT OOME in hadoop version 1.2.1 and applied the patch based on the
> fix given by Apache contributors for jira issue mapreduce-5508.
>
> After applying that fix the heap size gradually increases but after one
> week jobtracker completely hangs and slowdown but didn't get JT OOME. No
> error in JT logs.
>
> Without this fix weekly once JT heap size increases and got OOME.
>
> Please help its our production environment.
>
> Thanks,
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB