Hi all, In my cluster, reduce tasks often throw SocketTimeoutException when there are a lot of tasks. The critical log is below
at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.getInputStream(ReduceTask.java:1357) at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.getMapOutput(ReduceTask.java:1293) at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$MapOutputCopier.copyOutput(ReduceTask.java:1196) So I think it may be caused by jetty. How can I get jetty's settings and modify it? Is it really caused by jetty or there are other reason? I need your help, my friends. Thank you. Inifok
