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Posted to hdfs-issues@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/04/26 07:21:38 UTC

[jira] [Created] (HDFS-8255) Rename getBlockReplication to getPreferredBlockStorageNum

Zhe Zhang created HDFS-8255:
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             Summary: Rename getBlockReplication to getPreferredBlockStorageNum
                 Key: HDFS-8255
                 URL: https://issues.apache.org/jira/browse/HDFS-8255
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Zhe Zhang
            Assignee: Zhe Zhang


We should rename {{BlockCollection#getBlockReplication}} to {{getPreferredBlockStorageNum}} for 2 reasons:
# Currently, this method actually returns the _preferred_ block replication factor instead of the _actual_ number of replicas. The current name is a little ambiguous. 
# With the erasure coding feature, the name doesn't apply to striped blocks. 



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