[ https://issues.apache.org/jira/browse/HDFS-9314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Junping Du updated HDFS-9314: ----------------------------- Target Version/s: 2.6.4 > Improve BlockPlacementPolicyDefault's picking of excess replicas > ---------------------------------------------------------------- > > Key: HDFS-9314 > URL: https://issues.apache.org/jira/browse/HDFS-9314 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Ming Ma > Assignee: Xiao Chen > Fix For: 2.8.0, 2.7.3, 2.6.4 > > Attachments: HDFS-9314.001.patch, HDFS-9314.002.patch, > HDFS-9314.003.patch, HDFS-9314.004.patch, HDFS-9314.005.patch, > HDFS-9314.006.patch, HDFS-9314.branch26.patch, HDFS-9314.branch27.patch > > > The test case used in HDFS-9313 identified NullPointerException as well as > the limitation of excess replica picking. If the current replicas are on > {SSD(rack r1), DISK(rack 2), DISK(rack 3), DISK(rack 3)} and the storage > policy changes to HOT_STORAGE_POLICY_ID, BlockPlacementPolicyDefault's won't > be able to delete SSD replica. -- This message was sent by Atlassian JIRA (v6.3.4#6332)