ArrayLists inside the class and outside method bodies.
The logic is to keep adding the values received in these ArrayLists, until
top-K values are found.
when I add second value in these ArrayLists, I get the error
java.lang.OutOfMemoryError: Java heap space
I have tried to increase heap-size, to
variables in this class, i.e., there are two
ArrayLists inside the class and outside method bodies.
The logic is to keep adding the values received in these ArrayLists, until
top-K values are found.
when I add second value in these ArrayLists, I get the error
java.lang.OutOfMemoryError: Java heap space
You should try to utilize maximum of your RAM to map tasks. You can do that
by changing the parameters at mapred-site.xml file. add the below
statements to set 6.5 GB of RAM for map tasks
mapred.map.child.java.opts
-Xmx6500m
heap size for map tasks
On Mon, Oct 21, 2013 at 11:33 A
Hello:
I have a graph of size 2B edges, 200M vertices. I am trying to compute
pagerank of this graph. I have 10 node cluster, 8G memory.
I am unable to run giraph job successfully. My question is more generic:
1. How should one choose right amount of heap space? .. is there a way of
telling gira
;
>
>
> On Wed, Aug 7, 2013 at 11:43 AM, Puneet Agarwal wrote:
> 2013-08-07 20:07:30,119 FATAL org.apache.hadoop.mapred.Child: Error running
> child : java.lang.OutOfMemoryError: Java heap space
>
> 2013-08-07 20:07:30,210 FATAL org.apache.giraph.graph.GraphMapper:
>
: Java heap space
>
> 2013-08-07 20:07:30,210 FATAL org.apache.giraph.graph.GraphMapper:
> uncaughtException: OverrideExceptionHandler on thread Thread for syncLogs,
> msg = Java heap space, exiting...
> java.lang.OutOfMemoryError: Java heap space
>
>
> Hi All,
>
> Can
2013-08-07 20:07:30,119 FATAL org.apache.hadoop.mapred.Child: Error running
child : java.lang.OutOfMemoryError: Java heap space 2013-08-07 20:07:30,210
FATAL org.apache.giraph.graph.GraphMapper: uncaughtException:
OverrideExceptionHandler on thread Thread for syncLogs, msg = Java heap space
