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From foolbear <foolbea...@gmail.com>
Subject a bug in MRAppMaster?
Date Tue, 23 Dec 2014 12:03:04 GMT
Hi all

I'm using apache hadoop 2.2.0 with yarn.
When running mapreduce job, there are some ERROR log in ApplicationMaster:

2014-12-09 02:31:46,185 ERROR [RMCommunicator Allocator]
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Container
complete event for unknown container id
container_1417821600604_30187_01_000399

Seems that ResourceManager give more containers to ApplicationMaster than
it actually need.
For example, there are only 5 map and 5 reduce, need 10 containers. But
ResourceManager allocate 15 containers, so there will be 5 ERROR log.

Is this a bug? Can't find a jira for this.
Can anyone help?

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