Sunil G f9e0cc8cdc YARN-7116. CapacityScheduler Web UI: Queue's AM usage is always show on per-user's AM usage. Contributed by Wangda Tan. 8 роки тому
..
bin 1a1bf6b7d0 HADOOP-13595. Rework hadoop_usage to be broken up by clients/daemons/etc. Contributed by Allen Wittenauer. 8 роки тому
conf 433ee44b58 YARN-6691. Update YARN daemon startup/shutdown scripts to include Router service. (Giovanni Matteo Fumarola via asuresh). 8 роки тому
dev-support c61f2c4198 YARN-6955. Handle concurrent register AM requests in FederationInterceptor. (Botong Huang via Subru). 8 роки тому
hadoop-yarn-api 3d00c8f394 Made fixes for whitespace errors and checstyle warnings before merge. 8 роки тому
hadoop-yarn-applications 3d00c8f394 Made fixes for whitespace errors and checstyle warnings before merge. 8 роки тому
hadoop-yarn-client ce79f7be29 YARN-7094. Document the current known issue with server-side NM graceful decom (rkanter) 8 роки тому
hadoop-yarn-common cc23514aba YARN-7115. Move BoundedAppender to org.hadoop.yarn.util pacakge 8 роки тому
hadoop-yarn-registry ac9489f7fc YARN-6804. Allow custom hostname for docker containers in native services. Contributed by Billie Rinaldi 8 роки тому
hadoop-yarn-server f9e0cc8cdc YARN-7116. CapacityScheduler Web UI: Queue's AM usage is always show on per-user's AM usage. Contributed by Wangda Tan. 8 роки тому
hadoop-yarn-site ce79f7be29 YARN-7094. Document the current known issue with server-side NM graceful decom (rkanter) 8 роки тому
hadoop-yarn-ui 7ddc7aa26e YARN-6386. Show decommissioning nodes in new YARN UI. Contributed by Elek Marton. 8 роки тому
shellprofile.d 730bc746f9 HADOOP-12930. Dynamic subcommands for hadoop shell scripts (aw) 9 роки тому
README 8451ab5c01 HADOOP-9872. Improve protoc version handling and detection. (tucu) 12 роки тому
pom.xml ce797a1706 HDFS-12221. Replace xcerces in XmlEditsVisitor. (Ajay Kumar via lei) 8 роки тому

README

YARN (YET ANOTHER RESOURCE NEGOTIATOR or YARN Application Resource Negotiator)
------------------------------------------------------------------------------

Requirements
-------------
Java: JDK 1.6
Maven: Maven 3

Setup
-----
Install protobuf 2.5.0 (Download from http://code.google.com/p/protobuf/downloads/list)
- install the protoc executable (configure, make, make install)
- install the maven artifact (cd java; mvn install)


Quick Maven Tips
----------------
clean workspace: mvn clean
compile and test: mvn install
skip tests: mvn install -DskipTests
skip test execution but compile: mvn install -Dmaven.test.skip.exec=true
clean and test: mvn clean install
run selected test after compile: mvn test -Dtest=TestClassName (combined: mvn clean install -Dtest=TestClassName)
create runnable binaries after install: mvn assembly:assembly -Pnative (combined: mvn clean install assembly:assembly -Pnative)

Eclipse Projects
----------------
http://maven.apache.org/guides/mini/guide-ide-eclipse.html

1. Generate .project and .classpath files in all maven modules
mvn eclipse:eclipse
CAUTION: If the project structure has changed from your previous workspace, clean up all .project and .classpath files recursively. Then run:
mvn eclipse:eclipse

2. Import the projects in eclipse.

3. Set the environment variable M2_REPO to point to your .m2/repository location.

NetBeans Projects
-----------------

NetBeans has builtin support of maven projects. Just "Open Project..."
and everything is setup automatically. Verified with NetBeans 6.9.1.


Custom Hadoop Dependencies
--------------------------

By default Hadoop dependencies are specified in the top-level pom.xml
properties section. One can override them via -Dhadoop-common.version=...
on the command line. ~/.m2/settings.xml can also be used to specify
these properties in different profiles, which is useful for IDEs.

Modules
-------
YARN consists of multiple modules. The modules are listed below as per the directory structure:

hadoop-yarn-api - Yarn's cross platform external interface

hadoop-yarn-common - Utilities which can be used by yarn clients and server

hadoop-yarn-server - Implementation of the hadoop-yarn-api
hadoop-yarn-server-common - APIs shared between resourcemanager and nodemanager
hadoop-yarn-server-nodemanager (TaskTracker replacement)
hadoop-yarn-server-resourcemanager (JobTracker replacement)

Utilities for understanding the code
------------------------------------
Almost all of the yarn components as well as the mapreduce framework use
state-machines for all the data objects. To understand those central pieces of
the code, a visual representation of the state-machines helps much. You can first
convert the state-machines into graphviz(.gv) format by
running:
mvn compile -Pvisualize
Then you can use the dot program for generating directed graphs and convert the above
.gv files to images. The graphviz package has the needed dot program and related
utilites.For e.g., to generate png files you can run:
dot -Tpng NodeManager.gv > NodeManager.png