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Hadoop, mail # user - Heap Size is 27.25 MB/888.94 MB


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Re: Heap Size is 27.25 MB/888.94 MB
madhu phatak 2011-06-21, 10:12
Its related with the amount of memory available to Java Virtual machine that
is created for hadoop jobs.

On Fri, Jun 17, 2011 at 1:18 AM, Harsh J <[EMAIL PROTECTED]> wrote:

> The 'heap size' is a Java/program and memory (RAM) thing; unrelated to
> physical disk space that the HDFS may occupy (which can be seen in
> configured capacity).
>
> More reading on what a Java heap size is about:
> http://en.wikipedia.org/wiki/Java_Virtual_Machine#Heap
>
> On Fri, Jun 17, 2011 at 1:07 AM,  <[EMAIL PROTECTED]> wrote:
> >
> > So its saying my heap size is  (Heap Size is 27.25 MB/888.94 MB)
> >
> >
> > but my configured capacity is 971GB (4 nodes)
> >
> >
> >
> > Is heap size on the main page just for the namenode or do I need to
> > increase it to include the datanodes
> >
> >
> >
> > Cheers -
> >
> >
> >
> > Jeffery Schmitz
> > Projects and Technology
> > 3737 Bellaire Blvd Houston, Texas 77001
> > Tel: +1-713-245-7326 Fax: +1 713 245 7678
> > Email: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> >
> > "TK-421, why aren't you at your post?"
> >
> >
> >
> >
> >
> >
>
>
>
> --
> Harsh J
>