Tim Robertson created HBASE-6111:
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Summary: CLONE - Map tasks not local to RS
Key: HBASE-6111
URL: https://issues.apache.org/jira/browse/HBASE-6111
Project: HBase
Issue Type: Bug
Components: mapred, master, regionserver
Affects Versions: 0.20.0, 0.19.3
Environment: DN, TT and RS running on the same nodes.
Reporter: Tim Robertson
Fix For: 0.20.0
The number of data local map tasks while scanning a table is only about 10% of
the total map tasks...
My table had 280 regions and 13M records... The number of map tasks in the scan
job were equal to the number of regions (280). Only 25 of them were data local
tasks.
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