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https://issues.apache.org/jira/browse/HDFS-12773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16395836#comment-16395836
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Wei Yan commented on HDFS-12773:
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It looks to me like a very particular implementation detail.
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Make sense.
[^HDFS-12773.004.patch] LGTM. One minor:
{code:java|title=StateStoreFileImpl.java}
LOG.error("The root directory is not available, using {}", dir); {code}
Here would better be "LOG.warn()", as the process still proceeds.
> RBF: Improve State Store FS implementation
> ------------------------------------------
>
> Key: HDFS-12773
> URL: https://issues.apache.org/jira/browse/HDFS-12773
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Attachments: HDFS-12773.000.patch, HDFS-12773.001.patch,
> HDFS-12773.002.patch, HDFS-12773.003.patch, HDFS-12773.004.patch
>
>
> HDFS-10630 introduced a filesystem implementation of the State Store for unit
> tests. However, this implementation doesn't handle multiple writers
> concurrently.
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