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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12585) Fix refguide so it does hbase 1.0 style API everywhere with callout on how we used to do it in pre-1.0
Date Tue, 10 Feb 2015 05:12:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14313583#comment-14313583

Hadoop QA commented on HBASE-12585:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against master branch at commit 9283b93e225edfaddbb8b24dd1b8214bcd328e97.
  ATTACHMENT ID: 12697648

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

    {color:green}+0 tests included{color}.  The patch appears to be a documentation patch
that doesn't require tests.

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

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac 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: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
    +For more information about how connections are handled in the HBase client, see link:http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/ConnectionFactory.html[ConnectionFactory].
+For applications which require high-end multithreaded access (e.g., web-servers or application
servers that may serve many application threads in a single JVM), you can pre-create a `CConnection`,
as shown in the following example:
+Previous versions of this guide discussed `HTablePool`, which was deprecated in HBase 0.94,
0.95, and 0.96, and removed in 0.98.1, by link:https://issues.apache.org/jira/browse/HBASE-6580[HBASE-6500],
or `HConnection`, which is deprecated in HBase 1.0 by `Connection`.
+Please use link:http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/Connection.html[Connection]
+If <<perf.hbase.client.autoflush>> is turned off on link:http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/Table.html[Table],
``Put``s are sent to RegionServers when the writebuffer is filled.
+For fine-grained control of batching of ``Put``s or ``Delete``s, see the link:http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/Table.html#batch%28java.util.List%29[batch]
methods on Table.
+* Region (move, assign, unassign) For example, when the `Admin` method `disableTable` is
invoked, it is serviced by the Master server.
+* Region (splitRegion, compactRegion, etc.) For example, when the `Admin` method `majorCompact`
is invoked on a table, the client is actually iterating through all regions for the specified
table and requesting a major compaction directly to each region.
+      The timeout (in microseconds), before secondary fallback RPC’s are submitted for
multi-get requests (Table.get(List<Get>)) with Consistency.TIMELINE to the secondary
replicas of the regions. Defaults to 10ms. Setting this lower will increase the number of
RPC’s, but will lower the p99 latencies.
+If multiple ZooKeeper instances make up your ZooKeeper ensemble, they may be specified in
a comma-separated list (just as in the _hbase-site.xml_ file). This populated `Configuration`
instance can then be passed to an link:http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/cl.html[Table],
and so on.

  {color:green}+1 site{color}.  The mvn 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 1 zombie test(s): 	at org.apache.hadoop.hbase.TestChoreService.testCorePoolIncrease(TestChoreService.java:420)

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//artifact/patchprocess/checkstyle-aggregate.html

  Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/12747//console

This message is automatically generated.

> Fix refguide so it does hbase 1.0 style API everywhere with callout on how we used to
do it in pre-1.0
> ------------------------------------------------------------------------------------------------------
>                 Key: HBASE-12585
>                 URL: https://issues.apache.org/jira/browse/HBASE-12585
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation
>            Reporter: stack
>            Assignee: Misty Stanley-Jones
>             Fix For: 1.0.1, 1.1.0
>         Attachments: HBASE-12585.patch
> Over in HBASE-12400, made a start on this project writing up how the new HBase 1.0 API
looks.  I started in on the refguide removing all HTable references replacing with new style
and in the hbase client chapter added leadoff that has users go get a cluster Connection first....
> Doing a thorough job of rinsing the doc of old style foregrounding the new mode is a
big job.
> [~misty] Any chance of help on this one?  Thanks boss.

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