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ISSUE-64. Hadoop 3.0 NN drops replicas silently. - #65
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jojochuang wants to merge 1 commit into
Open
jojochuang wants to merge 1 commit into
jojochuang wants to merge 1 commit into
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Hi Eric,
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Fixes #64
This PR changes blockMap of dyno DN from hash map to tree map. The fix was verified internally at Cloudera. Additional stress test will be needed to understand the performance impact of this change. But it is functionally correct for Hadoop 3.0/CDH5.7.