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https://issues.apache.org/jira/browse/HDFS-11448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997581#comment-15997581
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Hudson commented on HDFS-11448:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11687 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11687/])
HDFS-11448. JN log segment syncing should support HA upgrade. (arp: rev
07761af357ef4da791df2972d7d3f049d6011c8d)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/TestJournalNodeSync.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JNStorage.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JournalNodeSyncer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/Journal.java
> JN log segment syncing should support HA upgrade
> ------------------------------------------------
>
> Key: HDFS-11448
> URL: https://issues.apache.org/jira/browse/HDFS-11448
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Fix For: 3.0.0-alpha3
>
> Attachments: HDFS-11448.001.patch, HDFS-11448.002.patch,
> HDFS-11448.003.patch
>
>
> HDFS-4025 adds support for sychronizing past log segments to JNs that missed
> them. But, as pointed out by [~jingzhao], if the segment download happens
> when an admin tries to rollback, it might fail ([see
> comment|https://issues.apache.org/jira/browse/HDFS-4025?focusedCommentId=15850633&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15850633]).
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