[ https://issues.apache.org/jira/browse/HDFS-11708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinayakumar B updated HDFS-11708: --------------------------------- Status: Patch Available (was: Open) > positional read will fail if replicas moved to different DNs after stream is > opened > ----------------------------------------------------------------------------------- > > Key: HDFS-11708 > URL: https://issues.apache.org/jira/browse/HDFS-11708 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs-client > Affects Versions: 2.7.3 > Reporter: Vinayakumar B > Assignee: Vinayakumar B > Priority: Critical > Attachments: HDFS-11708-01.patch > > > Scenario: > 1. File was written to DN1, DN2 with RF=2 > 2. File stream opened to read and kept. Block Locations are [DN1,DN2] > 3. One of the replica (DN2) moved to another datanode (DN3) due to datanode > dead/balancing/etc. > 4. Latest block locations in NameNode will be DN1 and DN3. > 5. DN1 went down, but not yet detected as dead in NameNode. > 6. Client start reading using positional read api "read(pos, buf[], offset, > length)" -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org