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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Mon, 11 Feb 2013 05:42:31 -0000
Message-ID: <20130211054231.91837.47107@eos.apache.org>
Subject: 
 =?utf-8?q?=5BHadoop_Wiki=5D_Update_of_=22QwertyManiac/BuildingHadoopTrunk?=
 =?utf-8?q?=22_by_QwertyManiac?=
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The "QwertyManiac/BuildingHadoopTrunk" page has been changed by QwertyMania=
c:
http://wiki.apache.org/hadoop/QwertyManiac/BuildingHadoopTrunk?action=3Ddif=
f&rev1=3D12&rev2=3D13

Comment:
Fix some formatting

  =

  =3D Building trunk =3D
  =

- The {{trunk}} branch is where the base of all development happens. All ne=
w features and improvements, aside of usual bug fixing, happens on trunk fi=
rst and then is backported ({{copied over}}) to a release branch (such as b=
ranch-2 or branch-1).
+ The {{{trunk}}} branch is where the base of all development happens. All =
new features and improvements, aside of usual bug fixing, happens on trunk =
first and then is backported ({{{copied over}}}) to a release branch (such =
as branch-2 or branch-1).
  =

- If you are planning to develop a new thing for Apache Hadoop, trunk is wh=
at you need to familiarize yourself with.
+ If you are planning to develop a new thing for Apache Hadoop, {{{trunk}}}=
 is what you need to familiarize yourself with.
  =

  1. Checkout the sources (Use any method below):
    * Using GitHub mirror: {{{git clone git@github.com:apache/hadoop-common=
.git hadoop}}}
@@ -49, +49 @@

  =

  =3D Building branch-2 =3D
  =

- The {{branch-2}} branch of Apache Hadoop is where all the 2.x based relea=
ses are made, such as the 2.0.0-alpha release, etc.. The 2.x release line i=
s the current future of Apache Hadoop releases.
+ The {{{branch-2}}} branch of Apache Hadoop is where all the 2.x based rel=
eases are made, such as the 2.0.0-alpha release, etc.. The 2.x release line=
 is the current future of Apache Hadoop releases.
  =

  This is similar to building trunk, but checkout the "'''branch-2'''" bran=
ch before you run the commands.
  =

@@ -64, +64 @@

  =

  =3D Building branch-0.23 =3D
  =

- The branch-0.23 is similar to branch-2 but lacks two important changes: P=
rotocol buffer RPCs for services, and High-Availability HDFS. This branch i=
s maintained by Yahoo!'s Hadoop team for their internal distribution of Apa=
che Hadoop deployment and is currently active. All work put in branch-0.23 =
as part of bug fixing, also makes it to branch-2, thereby making this a sub=
set of branch-2. When branch-2 approaches a stable release, work on this br=
anch is expected to be ended/abandoned.
+ The branch-0.23 is similar to branch-2 but lacks two specific, important =
changes: Protocol buffer RPCs for services, and High-Availability HDFS. Thi=
s branch is maintained by Yahoo!'s Hadoop team for their internal distribut=
ion of Apache Hadoop deployment and is currently active. All work put in br=
anch-0.23 as part of bug fixing, also makes it to branch-2, thereby making =
this a subset of branch-2. When branch-2 approaches a stable release, work =
on this branch is expected to be ended/abandoned by Yahoo! as 2.x gets depl=
oyed into their clusters.
  =

- Note that this is the last remaining active branch that does not follow t=
he new 1, 2, 3=E2=80=A6 style of version numbering and chooses to use the o=
lder style of 0.2x. Do not let that confuse you - its just that they couldn=
't get a proper first-class numbering by the time they began work on this s=
ubset.
+ Note that this is the last remaining active branch that does not follow t=
he new 1, 2, 3=E2=80=A6 style of version numbering and chooses to use the o=
lder style of 0.2x. Do not let that confuse you - its just that they couldn=
't get a proper first-class numbering by the time they chose to continue wo=
rk on this subset.
  =

  This is similar to building trunk, but checkout the "'''branch-0.23'''" b=
ranch before you run the commands.
  =

@@ -81, +81 @@

  =

  =3D Building branch-0.22 =3D
  =

- Although not officially stated anywhere yet, the {{branch-0.22}} is appar=
ently abandoned or unmaintained currently. As of the current wiki update he=
re, the last commit to have hit the branch-0.22 was half a year ago, and th=
e last release the branch made was even further back.
+ Although not officially stated anywhere yet, the {{{branch-0.22}}} is app=
arently abandoned or unmaintained currently. As of the current wiki update =
here, the last commit to have hit the branch-0.22 was half a year ago, and =
the last release the branch made was even further back.
  =

- Officially the last branch and higher release of Apache Hadoop to include=
 MR1 (JobTracker/TaskTrackers), when YARN arrived, this branch was stopped =
committing upon and work moved onto {{branch-2}}.
+ Officially the last branch and higher release of Apache Hadoop to include=
 MR1 (JobTracker/TaskTrackers), when YARN arrived, this branch was stopped =
full-time development upon and work moved onto {{branch-2}}.
  =

  0.22 and below used [[http://ant.apache.org|Apache Ant]] as the build too=
l. You need the latest '''Apache Ant''' installed and the 'ant' executable =
available on your PATH before continuing.
 =20