[HDFS-12561] FavoredNodes should shuffle if more than replicas and make writer first if present at BlockPlacementPolicyDefault#chooseTarget - ASF JIRA

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Type: Improvement
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: block placement
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Description

As default behavior,will choose in the front of favorite nodes, may lead to unbalance(IO/Storage)

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HDFS-12561-trunk-001.patch
29/Sep/17 02:30
2 kB
DENG FEI

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relates to

HDFS-11104 BlockPlacementPolicyDefault choose favoredNodes in turn which may cause imbalance

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Assignee:: Unassigned

Reporter:: DENG FEI

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Dates

Created:: 28/Sep/17 11:57

Updated:: 30/Oct/17 01:45