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From Xuan Gong <xg...@hortonworks.com>
Subject Re: a bug in MRAppMaster?
Date Wed, 31 Dec 2014 05:56:36 GMT
Hey, there are several issues which may cause this error. If you could
attached the full RM/NM/AppMaster logs, that will be easier for us to do
the debug.


Xuan Gong

On Tue, Dec 23, 2014 at 4:03 AM, foolbear <foolbeargm@gmail.com> wrote:

> 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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