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https://issues.apache.org/jira/browse/HBASE-14370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14736981#comment-14736981
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Hadoop QA commented on HBASE-14370:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12754878/14370-wait-nofity-v2.txt
against master branch at commit 27d3ab43efeabe2a0e1173858b6994b17b5c355b.
ATTACHMENT ID: 12754878
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 hadoop versions{color}. The patch compiles with all
supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.7.0 2.7.1)
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 protoc{color}. The applied patch does not increase the
total number of protoc compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 checkstyle{color}. The applied patch does not increase the
total number of checkstyle errors
{color:red}-1 findbugs{color}. The patch appears to cause Findbugs
(version 2.0.3) to fail.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 lineLengths{color}. The patch does not introduce lines
longer than 100
{color:green}+1 site{color}. The mvn post-site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/15501//testReport/
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/15501//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/15501//console
This message is automatically generated.
> Use separate thread for calling ZKPermissionWatcher#refreshNodes()
> ------------------------------------------------------------------
>
> Key: HBASE-14370
> URL: https://issues.apache.org/jira/browse/HBASE-14370
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.0
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: 14370-v1.txt, 14370-v3.txt, 14370-wait-nofity-v2.txt,
> 14370-wait-nofity.txt
>
>
> I came off a support case (0.98.0) where main zk thread was seen doing the
> following:
> {code}
> at
> org.apache.hadoop.hbase.security.access.ZKPermissionWatcher.refreshAuthManager(ZKPermissionWatcher.java:152)
> at
> org.apache.hadoop.hbase.security.access.ZKPermissionWatcher.refreshNodes(ZKPermissionWatcher.java:135)
> at
> org.apache.hadoop.hbase.security.access.ZKPermissionWatcher.nodeChildrenChanged(ZKPermissionWatcher.java:121)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:348)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
> {code}
> There were 62000 nodes under /acl due to lack of fix from HBASE-12635,
> leading to slowness in table creation because zk notification for region
> offline was blocked by the above.
> The attached patch separates refreshNodes() call into its own thread.
> Thanks to Enis and Devaraj for offline discussion.
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