[ https://issues.apache.org/jira/browse/HDFS-17052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoqiao He resolved HDFS-17052. -------------------------------- Fix Version/s: 3.4.0 Hadoop Flags: Reviewed Resolution: Fixed Committed to trunk. And mark it is contributed by both [~zhtttylzz] and [~zhangshuyan]. Thanks. > Improve BlockPlacementPolicyRackFaultTolerant to avoid choose nodes failed > when no enough Rack. > ----------------------------------------------------------------------------------------------- > > Key: HDFS-17052 > URL: https://issues.apache.org/jira/browse/HDFS-17052 > Project: Hadoop HDFS > Issue Type: Bug > Components: namanode > Affects Versions: 3.4.0 > Reporter: Hualong Zhang > Assignee: Hualong Zhang > Priority: Major > Labels: pull-request-available > Fix For: 3.4.0 > > Attachments: failed reconstruction ec in same rack-1.png, write ec in > same rack.png > > > When writing EC data, if the number of racks matching the storageType is > insufficient, more than one block are allowed to be written to the same rack > !write ec in same rack.png|width=962,height=604! > > > > However, during EC block recovery, it is not possible to recover on the same > rack, which deviates from the expected behavior. > !failed reconstruction ec in same rack-1.png|width=946,height=413! -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org