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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14261) Enhance Chaos Monkey framework by adding zookeeper and datanode fault injections.
Date Fri, 28 Aug 2015 08:10:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718186#comment-14718186

Hadoop QA commented on HBASE-14261:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against branch-1 branch at commit cc1542828de93b8d54cc14497fd5937989ea1b6d.
  ATTACHMENT ID: 12752938

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 30 new or modified

    {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:red}-1 checkstyle{color}.  The applied patch generated 3816 checkstyle
errors (more than the master's current 3815 errors).

    {color:green}+1 findbugs{color}.  The patch does not introduce any  new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 lineLengths{color}.  The patch introduces the following lines longer than
    +    clusterManager.kill(ServiceType.HBASE_REGIONSERVER, serverName.getHostname(), serverName.getPort());
+    clusterManager.stop(ServiceType.HBASE_REGIONSERVER, serverName.getHostname(), serverName.getPort());
+    clusterManager.kill(ServiceType.HBASE_ZOOKEEPER, serverName.getHostname(), serverName.getPort());
+    clusterManager.stop(ServiceType.HBASE_ZOOKEEPER, serverName.getHostname(), serverName.getPort());
+    clusterManager.start(ServiceType.HADOOP_DATANODE, serverName.getHostname(), serverName.getPort());
+    clusterManager.kill(ServiceType.HADOOP_DATANODE, serverName.getHostname(), serverName.getPort());
+    clusterManager.stop(ServiceType.HADOOP_DATANODE, serverName.getHostname(), serverName.getPort());
+   * 1 SSH options, 2 user name , 3 "@" if username is set, 4 host, 5 original command, 6
service user.
+  private static final String DEFAULT_TUNNEL_CMD = "/usr/bin/ssh %1$s %2$s%3$s%4$s \"sudo
-u %6$s %5$s\"";
+      String cmd = String.format(tunnelCmd, sshOptions, sshUserName, at, hostname, remoteCmd,

  {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:

     {color:red}-1 core zombie tests{color}.  There are 5 zombie test(s): 	at org.apache.cloudstack.GetServiceProviderMetaDataCmdTest.testAuthenticate(GetServiceProviderMetaDataCmdTest.java:83)

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/15314//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/15314//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/15314//artifact/patchprocess/checkstyle-aggregate.html

                Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/15314//console

This message is automatically generated.

> Enhance Chaos Monkey framework by adding zookeeper and datanode fault injections.
> ---------------------------------------------------------------------------------
>                 Key: HBASE-14261
>                 URL: https://issues.apache.org/jira/browse/HBASE-14261
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Srikanth Srungarapu
>            Assignee: Srikanth Srungarapu
>         Attachments: HBASE-14261-branch-1.patch, HBASE-14261.branch-1_v2.patch
> One of the shortcomings of existing ChaosMonkey framework is lack of fault injections
for hbase dependencies like zookeeper, hdfs etc. This patch attempts to solve this problem
partially by adding datanode and zk node fault injections.

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