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Posted to hdfs-issues@hadoop.apache.org by "Plamen Jeliazkov (JIRA)" <ji...@apache.org> on 2018/03/22 22:13:00 UTC

[jira] [Created] (HDFS-13331) Add lastSeenStateId to RpcRequestHeader.

Plamen Jeliazkov created HDFS-13331:
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             Summary: Add lastSeenStateId to RpcRequestHeader.
                 Key: HDFS-13331
                 URL: https://issues.apache.org/jira/browse/HDFS-13331
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Plamen Jeliazkov
            Assignee: Plamen Jeliazkov


HDFS-12977 added a stateId into the RpcResponseHeader which is returned by NameNode and stored by DFSClient.

This JIRA is to followup on that work and have the DFSClient send their stored "lastSeenStateId" in the RpcRequestHeader so that ObserverNodes can then compare with their own and act accordingly.

This JIRA work focuses on just the part of making DFSClient send their state through RpcRequestHeader.



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