[jira] [Updated] (HDFS-17154) EC: Fix bug in updateBlockForPipeline after failover
[ https://issues.apache.org/jira/browse/HDFS-17154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Shilun Fan updated HDFS-17154: -- Component/s: erasure-coding Target Version/s: 3.4.0 Affects Version/s: 3.4.0 > EC: Fix bug in updateBlockForPipeline after failover > > > Key: HDFS-17154 > URL: https://issues.apache.org/jira/browse/HDFS-17154 > Project: Hadoop HDFS > Issue Type: Bug > Components: erasure-coding >Affects Versions: 3.4.0 >Reporter: Shuyan Zhang >Assignee: Shuyan Zhang >Priority: Major > Labels: pull-request-available > Fix For: 3.4.0 > > > In the method `updateBlockForPipeline`, NameNode uses the > `BlockUnderConstructionFeature` of a BlockInfo to generate the member > `blockIndices` of `LocatedStripedBlock`. > And then, NameNode uses `blockIndices` to generate block tokens for client. > However, if there is a failover, the location info in > BlockUnderConstructionFeature may be incomplete, which results in the absence > of the corresponding block tokens. > When the client receives these incomplete block tokens, it will throw a NPE > because `updatedBlks[i]` is null. > NameNode should just return block tokens for all indices to the client. > Client can pick whichever it likes to use. > -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Updated] (HDFS-17154) EC: Fix bug in updateBlockForPipeline after failover
[ https://issues.apache.org/jira/browse/HDFS-17154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated HDFS-17154: -- Labels: pull-request-available (was: ) > EC: Fix bug in updateBlockForPipeline after failover > > > Key: HDFS-17154 > URL: https://issues.apache.org/jira/browse/HDFS-17154 > Project: Hadoop HDFS > Issue Type: Bug >Reporter: Shuyan Zhang >Assignee: Shuyan Zhang >Priority: Major > Labels: pull-request-available > > In the method `updateBlockForPipeline`, NameNode uses the > `BlockUnderConstructionFeature` of a BlockInfo to generate the member > `blockIndices` of `LocatedStripedBlock`. > And then, NameNode uses `blockIndices` to generate block tokens for client. > However, if there is a failover, the location info in > BlockUnderConstructionFeature may be incomplete, which results in the absence > of the corresponding block tokens. > When the client receives these incomplete block tokens, it will throw a NPE > because `updatedBlks[i]` is null. > NameNode should just return block tokens for all indices to the client. > Client can pick whichever it likes to use. > -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
