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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9892) Add info port to ServerName to support multi instances in a node
Date Tue, 17 Dec 2013 05:41:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13850128#comment-13850128
] 

Hadoop QA commented on HBASE-9892:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12619023/HBASE-9892-trunk-v3.diff
  against trunk revision .

    {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 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {color:green}+1 hadoop1.1{color}.  The patch compiles against the hadoop 1.1 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

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

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

    {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:red}-1 site{color}.  The patch appears to cause mvn site goal to fail.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/8197//console

This message is automatically generated.

> Add info port to ServerName to support multi instances in a node
> ----------------------------------------------------------------
>
>                 Key: HBASE-9892
>                 URL: https://issues.apache.org/jira/browse/HBASE-9892
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>            Priority: Minor
>             Fix For: 0.98.0, 0.99.0
>
>         Attachments: HBASE-9892-0.94-v1.diff, HBASE-9892-0.94-v2.diff, HBASE-9892-0.94-v3.diff,
HBASE-9892-0.94-v4.diff, HBASE-9892-0.94-v5.diff, HBASE-9892-trunk-v1.diff, HBASE-9892-trunk-v1.patch,
HBASE-9892-trunk-v1.patch, HBASE-9892-trunk-v2.patch, HBASE-9892-trunk-v3.diff, HBASE-9892-v5.txt
>
>
> The full GC time of  regionserver with big heap(> 30G ) usually  can not be controlled
in 30s. At the same time, the servers with 64G memory are normal. So we try to deploy multi
rs instances(2-3 ) in a single node and the heap of each rs is about 20G ~ 24G.
> Most of the things works fine, except the hbase web ui. The master get the RS info port
from conf, which is suitable for this situation of multi rs  instances in a node. So we add
info port to ServerName.
> a. at the startup, rs report it's info port to Hmaster.
> b, For root region, rs write the servername with info port ro the zookeeper root-region-server
node.
> c, For meta regions, rs write the servername with info port to root region 
> d. For user regions,  rs write the servername with info port to meta regions 
> So hmaster and client can get info port from the servername.
> To test this feature, I change the rs num from 1 to 3 in standalone mode, so we can test
it in standalone mode,
> I think Hoya(hbase on yarn) will encounter the same problem.  Anyone knows how Hoya handle
this problem?
> PS: There are  different formats for servername in zk node and meta table, i think we
need to unify it and refactor the code.



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