YARN-7946. Update TimelineServerV2 doc as per YARN-7919. (Haibo Chen)

Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/3087e891
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/3087e891
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/3087e891

Branch: refs/heads/HDFS-7240
Commit: 3087e89135365cad7f28f1bf8c9a1c483e245988
Parents: 7853ec8
Author: Haibo Chen <haiboc...@apache.org>
Authored: Wed Apr 4 11:59:31 2018 -0700
Committer: Haibo Chen <haiboc...@apache.org>
Committed: Wed Apr 4 11:59:31 2018 -0700

 BUILDING.txt                                            | 12 ++++++++++++
 .../src/site/markdown/TimelineServiceV2.md              |  8 ++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/BUILDING.txt b/BUILDING.txt
index dbf2cb8..3b9a2ef 100644
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -138,6 +138,18 @@ Maven build goals:
   * Use -DskipShade to disable client jar shading to speed up build times (in
     development environments only, not to build release artifacts)
+ YARN Application Timeline Service V2 build options:
+   YARN Timeline Service v.2 chooses Apache HBase as the primary backing 
storage. The supported
+   versions of Apache HBase are 1.2.6 (default) and 2.0.0-beta1.
+  * HBase 1.2.6 is used by default to build Hadoop. The official releases are 
ready to use if you
+    plan on running Timeline Service v2 with HBase 1.2.6.
+  * Use -Dhbase.profile=2.0 to build Hadoop with HBase 2.0.0-beta1. Provide 
this option if you plan
+    on running Timeline Service v2 with HBase 2.0.
  Snappy build options:
    Snappy is a compression library that can be utilized by the native code.

diff --git 
index f097b60..312c10b 100644
@@ -190,9 +190,9 @@ Each step is explained in more detail below.
 ##### <a name="Set_up_the_HBase_cluster"> </a>Step 1) Set up the HBase cluster
 The first part is to set up or pick an Apache HBase cluster to use as the 
storage cluster. The
-version of Apache HBase that is supported with Timeline Service v.2 is 1.2.6. 
The 1.0.x versions
-do not work with Timeline Service v.2. Later versions of HBase have not been 
tested with
-Timeline Service.
+supported versions of Apache HBase are 1.2.6 (default) and 2.0.0-beta1.
+The 1.0.x versions do not work with Timeline Service v.2. By default, Hadoop 
releases are built
+with HBase 1.2.6. To use HBase 2.0.0-beta1, build from source with option 
 HBase has different deployment modes. Refer to the HBase book for 
understanding them and pick a
 mode that is suitable for your setup.
@@ -236,7 +236,7 @@ is needed for the `flowrun` table creation in the schema 
creator. The default HD
 For example,
     hadoop fs -mkdir /hbase/coprocessor
-    hadoop fs -put 
+    hadoop fs -put 

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