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https://issues.apache.org/jira/browse/HDFS-7712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14303813#comment-14303813
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Kihwal Lee commented on HDFS-7712:
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{{TestFailureToReadEdits}}: test run-time issue. Port already in use. The test
case hard-codes the port using MiniQJMHACluster.createDefaultTopology().
HDFS-6054 is supposed to fix it.
{{TestOpenFilesWithSnapshot}}: Reported in HDFS-7695.
As for javac warnings I currently (8cb473124c1cf1c6f68ead7bde06558ebf7ce47e)
see 1192 before & after the patch.
+1 on the condition that you confirm this patch does not add new javac warnings.
> Switch blockStateChangeLog to use slf4j
> ---------------------------------------
>
> Key: HDFS-7712
> URL: https://issues.apache.org/jira/browse/HDFS-7712
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.7.0
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Minor
> Attachments: hdfs-7712.001.patch, hdfs-7712.002.patch,
> hdfs-7712.003.patch, hdfs-7712.004.patch
>
>
> As pointed out in HDFS-7706, updating blockStateChangeLog to use slf4j will
> save a lot of string construction costs.
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