> -Xmx1024 > This would be 1024 bytes heap. Maybe you want -Xmx1024m ?
Koji On 1/27/11 6:04 PM, "Jun Young Kim" <[email protected]> wrote: Hi, I have 9 cluster (1 master, 8 slaves) to run a hadoop. when I executed my job in a master, I got the following errors. 11/01/28 10:58:01 INFO mapred.JobClient: Running job: job_201101271451_0011 11/01/28 10:58:02 INFO mapred.JobClient: map 0% reduce 0% 11/01/28 10:58:08 INFO mapred.JobClient: Task Id : attempt_201101271451_0011_m_000041_0, Status : FAILED java.io.IOException: Task process exit with nonzero status of 1. at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:418) 11/01/28 10:58:08 WARN *mapred.JobClient: Error reading task output*http://hatest03.server:50060/tasklog?plaintext=true&taskid=attempt_201101271451_0011_m_000041_0&filter=stdout 11/01/28 10:58:08 WARN *mapred.JobClient: Error reading task output*http://hatest03.server:50060/tasklog?plaintext=true&taskid=attempt_201101271451_0011_m_000041_0&filter=stderr after going the hatest03.server, I've checked the directory which is named attempt_201101271451_0011_m_000041_0. there is an error msg in a stdout file. Error occurred during initialization of VM Too small initial heap my configuration to use a heap size is <property> <name> mapred.child.java.opts </name> <value> -Xmx1024 </value> </property> and the physical memory size is "free -m" $ free -m total used free shared buffers cached Mem: 12001 4711 7290 0 197 4056 -/+ buffers/cache: 457 11544 Swap: 2047 0 2047 how can I fix this problem? -- Junyoung Kim ([email protected])
