Re: about the exception in mapreduce program?

[Peeyush Bishnoi <pe...@yahoo-inc.com>]

You can also set in the Hbase HeapSize in hbase-env.sh file itself ,
which is located at $HBASE_HOME/conf/hbase-env.sh

---
Peeyush Bishnoi

On Fri, 2008-02-01 at 10:55 +0530, Jaideep Dhok wrote:

> You can change the max memory used by JVM using the -Xmx option. There is
> also a HADOOP_HEAPSIZE option in hadoop-env.sh, which you can increase.
> 
> On Feb 1, 2008 10:22 AM, ma qiang <ma...@gmail.com> wrote:
> 
> > Hi all:
> >      I meet this problem as below:
> >      My map function read from a table in HBase, then merge several
> > string and finally save these string into another table HBase. The
> > number of string and the length of the string  is large. After ten
> > minutes, the  hadoop print error "out of memory, java heap is not
> > enough" . And the program is tested using small string and there is no
> > error.  But when the number and length of string become large, the
> > error happened. I installed the hadoop in non-distributed mode, and
> > the size of my computer's memory is 2G, this size is enough fit for my
> > simple program in theory.
> >     Who can tell me why?
> >     Thank you very much!
> >
> >
> > Best Wishes!
> >
> 
> 
>