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https://issues.apache.org/jira/browse/HDFS-13609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16513921#comment-16513921
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Erik Krogen commented on HDFS-13609:
------------------------------------

It looks like the shadedclient failure is due to the following error while 
running {{common-test-bats-driver}} within {{hadoop-common}}:
{code}
     [exec] not ok 2 hadoop_stop_daemon_force_kill
     [exec] # (in test file hadoop_stop_daemon.bats, line 43)
     [exec] #   `[ -f ${TMP}/pidfile ]' failed
     [exec] # bindir: 
/testptch/hadoop/hadoop-common-project/hadoop-common/src/test/scripts
     [exec] # sh: 0: Can't open 
/testptch/hadoop/hadoop-common-project/hadoop-common/src/test/scripts/process_with_sigterm_trap.sh
{code}
The error is identical across the branch and the patch so it must be unrelated. 
I don't know enough about this {{common-test-bats-driver}} to dig deeper...

> [Edit Tail Fast Path Pt 3] NameNode-side changes to support tailing edits via 
> RPC
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-13609
>                 URL: https://issues.apache.org/jira/browse/HDFS-13609
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, namenode
>            Reporter: Erik Krogen
>            Assignee: Erik Krogen
>            Priority: Major
>         Attachments: HDFS-13609-HDFS-12943.000.patch, 
> HDFS-13609-HDFS-12943.001.patch, HDFS-13609-HDFS-12943.002.patch
>
>
> See HDFS-13150 for the full design.
> This JIRA is targetted at the NameNode-side changes to enable tailing 
> in-progress edits via the RPC mechanism added in HDFS-13608. Most changes are 
> in the QuorumJournalManager.



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