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
MapReduce >> mail # user >> getting errors on datanode/tasktracker logs


Copy link to this message
-
Re: getting errors on datanode/tasktracker logs
its seems to be a bug in java,run a test jar on ur cluster

fallow

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6727824

::::::::::::::::::::::::::::::::::::::::
Raj K Singh
http://www.rajkrrsingh.blogspot.com
Mobile  Tel: +91 (0)9899821370
On Sat, Aug 10, 2013 at 1:34 PM, Jitendra Yadav
<[EMAIL PROTECTED]>wrote:

> Raj,
>
> Currently java heap size is 1gb, my hdfs cluster is fresh and small.
>
> still I need to increase head size?
>
> Thanks
> On 8/10/13, Raj K Singh <[EMAIL PROTECTED]> wrote:
> > i
> > ncrease your java heap size.
> >
> > ::::::::::::::::::::::::::::::::::::::::
> > Raj K Singh
> > http://www.rajkrrsingh.blogspot.com
> > Mobile  Tel: +91 (0)9899821370
> >
> >
> > On Sat, Aug 10, 2013 at 12:17 AM, Jitendra Yadav
> > <[EMAIL PROTECTED]
> >> wrote:
> >
> >> Hi,
> >>
> >> I'm getting below errors in log file while starting datanode and
> >> tasktracker. I'm using Hadoop 1.1.2 and java 1.7.0_21.
> >>
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >> mmap failed for CEN and END part of zip file
> >>
> >> Please guide.
> >>
> >> 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