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https://issues.apache.org/jira/browse/HBASE-5712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262336#comment-13262336
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Hadoop QA commented on HBASE-5712:
----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12524377/hbase-5712.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
-1 findbugs. The patch appears to introduce 4 new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these unit tests:
org.apache.hadoop.hbase.master.TestSplitLogManager
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/1653//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/1653//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/1653//console
This message is automatically generated.
> Parallelize load of .regioninfo files in diagnostic/repair portion of hbck.
> ---------------------------------------------------------------------------
>
> Key: HBASE-5712
> URL: https://issues.apache.org/jira/browse/HBASE-5712
> Project: HBase
> Issue Type: Sub-task
> Components: hbck
> Affects Versions: 0.90.7, 0.92.2, 0.94.0, 0.96.0
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
> Attachments: hbase-5712-90.patch, hbase-5712.patch
>
>
> On heavily loaded hdfs's some dfs nodes may not respond quickly and backs off
> for 60s before attempting to read data from another datanode. Portions of
> the information gathered from hdfs (.regioninfo files) are loaded serially.
> With HBase with clusters with 100's, or 1000's, or 10000's regions
> encountering these 60s delay blocks progress and can be very painful.
> There is already some parallelization of portions of the hdfs information
> load operations and the goal here is move the reading of .regioninfos into
> the parallelized sections..
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