7GB Sent from my mobile
On 06/11/2010, at 11:00, "Hari Sreekumar" <[email protected]<mailto:[email protected]>> wrote: What's the RAM on each node? On Sat, Nov 6, 2010 at 11:03 AM, Shavit Netzer <[email protected]<mailto:[email protected]>> wrote: Hello, I have a question regarding MapRed jobs. I have 24 nodes, each node have 4 disks (mnt – mnt3), 500GB each mnt. All balanced ( I used the balancer, except mnt, which have 97% used). My question is: I got the following error and I relate it to the disk space (maybe I'm wrong). Maybe there is a configuration that I can add, change in order to have few more retries on separate disk: 10/10/27 21:59:01 INFO mapred.JobClient: map 100% reduce 26% 10/10/27 21:59:02 INFO mapred.JobClient: Task Id : attempt_201010201240_4059_r_000023_0, Status : FAILED java.io.IOException: Task process exit with nonzero status of 134. at org.apache.hadoop.mapred.TaskRunner.runChild(TaskRunner.java:462) at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:403) attempt_201010201240_4059_r_000023_0: # attempt_201010201240_4059_r_000023_0: # A fatal error has been detected by the Java Runtime Environment: attempt_201010201240_4059_r_000023_0: # attempt_201010201240_4059_r_000023_0: # java.lang.OutOfMemoryError: requested 32744 bytes for ChunkPool::allocate. Out of swap space? attempt_201010201240_4059_r_000023_0: # attempt_201010201240_4059_r_000023_0: # Internal Error (allocation.cpp:117), pid=15974, tid=1089702224 attempt_201010201240_4059_r_000023_0: # Error: ChunkPool::allocate attempt_201010201240_4059_r_000023_0: # attempt_201010201240_4059_r_000023_0: # JRE version: 6.0_14-b08 attempt_201010201240_4059_r_000023_0: # Java VM: Java HotSpot(TM) 64-Bit Server VM (14.0-b16 mixed mode linux-amd64 ) attempt_201010201240_4059_r_000023_0: # An error report file with more information is saved as: attempt_201010201240_4059_r_000023_0: # /mnt2/hadoop/mapred/local/taskTracker/jobcache/job_201010201240_4059/attempt_201010201240_4059_r_000023_0/work/hs_err_pid15974.log attempt_201010201240_4059_r_000023_0: # attempt_201010201240_4059_r_000023_0: # If you would like to submit a bug report, please visit: attempt_201010201240_4059_r_000023_0: # http://java.sun.com/webapps/bugreport/crash.jsp attempt_201010201240_4059_r_000023_0: # Regards, Shavit
