Fifo scheduler does not match host requests with host:port correctly
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Key: MAPREDUCE-3501
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3501
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: scheduler
Affects Versions: 0.23.0, 0.24.0
Reporter: Robert Joseph Evans
Priority: Minor
When the Fifo scheduler receives a heartbeat from a NM the NM appears as a
HOST:PORT. When a request is made to the scheduler to have a container run on
a given host that request is given just as HOST. Right now the FIFO scheduler
does not use just the HOST part of HOST:PORT for the comparison. This is minor
because very few people will run with the FIFO scheduler on a cluster at all,
but it still needs ot be fixed.
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