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https://issues.apache.org/jira/browse/HDFS-11448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17545848#comment-17545848
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JiangHua Zhu commented on HDFS-11448:
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Hi [~hanishakoneru], nice to communicate with you.
I found the new addition of JNStorage#getCurrentDir() here, and yes, that's
good because sd.getCurrentDir() is used in multiple places in the context, but
there is no use of it anywhere.
If you don't mind, I'll modify this to replace sd.getCurrentDir() with
JNStorage#getCurrentDir().
> 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
> Priority: Major
> Fix For: 3.0.0-alpha4
>
> 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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