Your application uses too much memory. Try increasing the child heap space for mapreduce applications. (It's in the hadoop configuration file, mapred.child.java.opts)
Thibaut Edward J. Yoon-2 wrote: > > While run mapred, I received below error. The size of RowResult seems > too large. What do you think? > > ---- > 08/11/27 13:42:49 INFO mapred.JobClient: map 0% reduce 0% > 08/11/27 13:42:55 INFO mapred.JobClient: map 50% reduce 0% > 08/11/27 13:43:09 INFO mapred.JobClient: map 50% reduce 8% > 08/11/27 13:43:13 INFO mapred.JobClient: map 50% reduce 16% > 08/11/27 13:43:15 INFO mapred.JobClient: Task Id : > attempt_200811271320_0006_m_000000_0, Status : FAILED > java.lang.OutOfMemoryError: Java heap space > at java.util.Arrays.copyOf(Arrays.java:2786) > at > java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94) > at java.io.DataOutputStream.write(DataOutputStream.java:90) > at > org.apache.hadoop.hbase.util.Bytes.writeByteArray(Bytes.java:65) > at org.apache.hadoop.hbase.io.Cell.write(Cell.java:152) > at > org.apache.hadoop.hbase.io.HbaseMapWritable.write(HbaseMapWritable.java:196) > at org.apache.hadoop.hbase.io.RowResult.write(RowResult.java:245) > at > org.apache.hadoop.hbase.util.Writables.getBytes(Writables.java:49) > at > org.apache.hadoop.hbase.util.Writables.copyWritable(Writables.java:134) > > -- > Best Regards, Edward J. Yoon @ NHN, corp. > [EMAIL PROTECTED] > http://blog.udanax.org > > -- View this message in context: http://www.nabble.com/java.lang.OutOfMemoryError%3A-Java-heap-space-tp20714065p20736470.html Sent from the HBase User mailing list archive at Nabble.com.
