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Posted to commits@falcon.apache.org by aj...@apache.org on 2015/09/09 15:49:55 UTC
svn commit: r1702009 [11/14] - in /falcon: site/ site/0.3-incubating/
site/0.4-incubating/ site/0.5-incubating/ site/0.6-incubating/ site/0.6.1/
site/0.7/ site/0.7/css/ site/0.7/images/ site/0.7/images/logos/
site/0.7/images/profiles/ site/0.7/img/ sit...
Modified: falcon/site/restapi/MetadataList.html
URL: http://svn.apache.org/viewvc/falcon/site/restapi/MetadataList.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/restapi/MetadataList.html (original)
+++ falcon/site/restapi/MetadataList.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="../0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="../0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
Modified: falcon/site/restapi/MetadataRelations.html
URL: http://svn.apache.org/viewvc/falcon/site/restapi/MetadataRelations.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/restapi/MetadataRelations.html (original)
+++ falcon/site/restapi/MetadataRelations.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="../0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="../0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
Modified: falcon/site/restapi/ResourceList.html
URL: http://svn.apache.org/viewvc/falcon/site/restapi/ResourceList.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/restapi/ResourceList.html (original)
+++ falcon/site/restapi/ResourceList.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="../0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="../0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
Modified: falcon/site/restapi/Vertex.html
URL: http://svn.apache.org/viewvc/falcon/site/restapi/Vertex.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/restapi/Vertex.html (original)
+++ falcon/site/restapi/Vertex.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="../0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="../0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
Modified: falcon/site/restapi/VertexProperties.html
URL: http://svn.apache.org/viewvc/falcon/site/restapi/VertexProperties.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/restapi/VertexProperties.html (original)
+++ falcon/site/restapi/VertexProperties.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="../0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="../0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
Modified: falcon/site/restapi/Vertices.html
URL: http://svn.apache.org/viewvc/falcon/site/restapi/Vertices.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/restapi/Vertices.html (original)
+++ falcon/site/restapi/Vertices.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="../0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="../0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
Modified: falcon/site/source-repository.html
URL: http://svn.apache.org/viewvc/falcon/site/source-repository.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/source-repository.html (original)
+++ falcon/site/source-repository.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
Modified: falcon/site/team-list.html
URL: http://svn.apache.org/viewvc/falcon/site/team-list.html?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/site/team-list.html (original)
+++ falcon/site/team-list.html Wed Sep 9 13:49:51 2015
@@ -122,6 +122,9 @@
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Documentation <b class="caret"></b></a>
<ul class="dropdown-menu">
+ <li> <a href="0.7/index.html" title="0.7">0.7</a>
+</li>
+
<li> <a href="0.6.1/index.html" title="0.6.1">0.6.1</a>
</li>
@@ -414,7 +417,15 @@
<td>Hortonworks</td>
<td>committer</td>
<td>-08:00</td>
-<td><span id="developer-16">-08:00</span></td></tr></table></div>
+<td><span id="developer-16">-08:00</span></td></tr>
+<tr class="a">
+<td><a name="pallavi"></a>pallavi</td>
+<td>Pallavi Rao</td>
+<td><a class="externalLink" href="mailto:pallavi@apache.org">pallavi@apache.org</a></td>
+<td>Inmobi</td>
+<td>committer</td>
+<td>+05:30</td>
+<td><span id="developer-17">+05:30</span></td></tr></table></div>
<div class="section">
<h3>Contributors<a name="Contributors"></a></h3><a name="Contributors"></a>
<p>There are no contributors listed for this project. Please check back again later.</p><script type="text/javascript">
@@ -446,6 +457,7 @@ function init(){
offsetDate('developer-14', '0');
offsetDate('developer-15', '0');
offsetDate('developer-16', '0');
+ offsetDate('developer-17', '0');
}
window.onLoad = init();
Modified: falcon/trunk/general/src/site/site.xml
URL: http://svn.apache.org/viewvc/falcon/trunk/general/src/site/site.xml?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/trunk/general/src/site/site.xml (original)
+++ falcon/trunk/general/src/site/site.xml Wed Sep 9 13:49:51 2015
@@ -103,6 +103,7 @@
<menu name="Documentation">
<!-- current points to latest release -->
+ <item name="0.7" href="./0.7/index.html"/>
<item name="0.6.1" href="./0.6.1/index.html"/>
<item name="0.6-incubating" href="./0.6-incubating/index.html"/>
<item name="0.5-incubating" href="./0.5-incubating/index.html"/>
Modified: falcon/trunk/pom.xml
URL: http://svn.apache.org/viewvc/falcon/trunk/pom.xml?rev=1702009&r1=1702008&r2=1702009&view=diff
==============================================================================
--- falcon/trunk/pom.xml (original)
+++ falcon/trunk/pom.xml Wed Sep 9 13:49:51 2015
@@ -266,6 +266,17 @@
<organization>Hortonworks</organization>
</developer>
+ <developer>
+ <id>pallavi</id>
+ <name>Pallavi Rao</name>
+ <email>pallavi@apache.org</email>
+ <timezone>+05:30</timezone>
+ <roles>
+ <role>committer</role>
+ </roles>
+ <organization>Inmobi</organization>
+ </developer>
+
</developers>
Added: falcon/trunk/releases/0.7/pom.xml
URL: http://svn.apache.org/viewvc/falcon/trunk/releases/0.7/pom.xml?rev=1702009&view=auto
==============================================================================
--- falcon/trunk/releases/0.7/pom.xml (added)
+++ falcon/trunk/releases/0.7/pom.xml Wed Sep 9 13:49:51 2015
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.falcon</groupId>
+ <artifactId>falcon-website-releases</artifactId>
+ <version>0.2</version>
+ </parent>
+ <artifactId>falcon-website-0.7</artifactId>
+ <version>0.7</version>
+ <packaging>pom</packaging>
+
+ <name>Apache Falcon - Documentation v0.7</name>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-site-plugin</artifactId>
+ <version>3.3</version>
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.maven.doxia</groupId>
+ <artifactId>doxia-module-twiki</artifactId>
+ <version>1.3</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.maven.wagon</groupId>
+ <artifactId>wagon-ssh-external</artifactId>
+ <version>2.6</version>
+ </dependency>
+ </dependencies>
+ <executions>
+ <execution>
+ <goals>
+ <goal>site</goal>
+ </goals>
+ <phase>prepare-package</phase>
+ </execution>
+ </executions>
+ <configuration>
+ <outputDirectory>../../../site/0.7</outputDirectory>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
Added: falcon/trunk/releases/0.7/src/site/resources/Architecture.png
URL: http://svn.apache.org/viewvc/falcon/trunk/releases/0.7/src/site/resources/Architecture.png?rev=1702009&view=auto
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Added: falcon/trunk/releases/0.7/src/site/resources/EntityDependency.png
URL: http://svn.apache.org/viewvc/falcon/trunk/releases/0.7/src/site/resources/EntityDependency.png?rev=1702009&view=auto
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Added: falcon/trunk/releases/0.7/src/site/resources/FeedSchedule.png
URL: http://svn.apache.org/viewvc/falcon/trunk/releases/0.7/src/site/resources/FeedSchedule.png?rev=1702009&view=auto
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Added: falcon/trunk/releases/0.7/src/site/resources/PrismSetup.png
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Added: falcon/trunk/releases/0.7/src/site/resources/ProcessSchedule.png
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Added: falcon/trunk/releases/0.7/src/site/resources/images/accessories-text-editor.png
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Added: falcon/trunk/releases/0.7/src/site/resources/images/apache-incubator-logo.png
URL: http://svn.apache.org/viewvc/falcon/trunk/releases/0.7/src/site/resources/images/apache-incubator-logo.png?rev=1702009&view=auto
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--- falcon/trunk/releases/0.7/src/site/site.xml (added)
+++ falcon/trunk/releases/0.7/src/site/site.xml Wed Sep 9 13:49:51 2015
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<project name="Falcon" xmlns="http://maven.apache.org/DECORATION/1.3.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/DECORATION/1.3.0 http://maven.apache.org/xsd/decoration-1.3.0.xsd">
+
+ <skin>
+ <groupId>org.apache.maven.skins</groupId>
+ <artifactId>maven-fluido-skin</artifactId>
+ <version>1.3.0</version>
+ </skin>
+
+ <custom>
+ <fluidoSkin>
+ <project>Apache Falcon</project>
+ <sideBarEnabled>false</sideBarEnabled>
+ </fluidoSkin>
+ </custom>
+
+ <bannerLeft>
+ <name>Apache Falcon</name>
+ <src>./images/falcon-logo.png</src>
+ <width>200px</width>
+ <height>45px</height>
+ </bannerLeft>
+
+ <publishDate position="right"/>
+ <version position="right"/>
+
+ <body>
+ <head>
+ <script type="text/javascript">
+ $( document ).ready( function() { $( '.carousel' ).carousel( { interval: 3500 } ) } );
+ </script>
+ </head>
+
+ <breadcrumbs position="left">
+ <item name="Falcon" title="Apache Falcon" href="index.html"/>
+ </breadcrumbs>
+
+ <footer>
+ é 2011-2012 The Apache Software Foundation. Apache Falcon, Falcon, Apache, the Apache feather logo,
+ and the Apache Falcon project logo are trademarks of The Apache Software Foundation.
+ </footer>
+ </body>
+</project>
\ No newline at end of file
Added: falcon/trunk/releases/0.7/src/site/twiki/Appendix.twiki
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--- falcon/trunk/releases/0.7/src/site/twiki/Appendix.twiki (added)
+++ falcon/trunk/releases/0.7/src/site/twiki/Appendix.twiki Wed Sep 9 13:49:51 2015
@@ -0,0 +1,55 @@
+---+ Compatibility
+
+---++ 0.6-incubating Version Compatibility Matrix
+
+ * Hadoop 2.5.0 and above
+ * Oozie 4.0.0 and above
+ * Hive 0.11.0 and above
+ * HCatalog 0.11.0 and above
+ * Active MQ 5.4.3 and above
+ * Titan 0.4.2 and above but below 0.5
+
+
+---++ 0.6-incubating Tested Compatibility
+
+ * Hadoop 2.6.0
+ * Oozie 4.1.0
+ * Hive 0.14.0
+ * HCatalog 0.14.0
+ * Active MQ 5.4.3
+ * Titan 0.4.2
+ * Java 1.6, Java 1.7
+
+ Note : Oozie versions below 4.1.0 are not compatible with Java 1.7
+
+---++ 0.6-incubating Release Notes
+
+Major additions are listed below. Refer to CHANGES.txt for detailed issues addressed in this release.
+
+ * Security - Authorization, SSL
+ * Lineage - More complete with better API
+ * Recipes
+ * Usability improvements - Dry run, entity summary, Pagination, etc.
+ * Operability - Alerts, Audits, etc.
+ * Refactoring - Messaging, Orchestration of workflows, etc.
+ * Extension points for developers
+ * Many bug fixes
+
+
+---++ 0.6-incubating Upgrade Instructions
+
+Please follow these instructions when upgrading from an older release.
+
+---+++ Upgrading from 0.5-incubating
+
+0.6-incubating is backwards *incompatible* with 0.5-incubating. It is recommended that user do not
+migrate from 0.5 to 0.6. However if the user must migrate from 0.5-incubating to 0.6-incubating,
+user should [[https://cwiki.apache.org/confluence/display/FALCON/Index][follow these instructions]
+
+---+++ Upgrading from 0.4-incubating
+
+It is not possible to upgrade to 0.6-incubating from 0.4-incubating.
+
+---+++ Upgrading from 0.3-incubating
+
+It is not possible to upgrade to 0.6-incubating from 0.3-incubating.
Added: falcon/trunk/releases/0.7/src/site/twiki/Configuration.twiki
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+++ falcon/trunk/releases/0.7/src/site/twiki/Configuration.twiki Wed Sep 9 13:49:51 2015
@@ -0,0 +1,113 @@
+---+Configuring Falcon
+
+By default config directory used by falcon is {package dir}/conf. To override this (to use the same conf with multiple
+falcon upgrades), set environment variable FALCON_CONF to the path of the conf dir.
+
+falcon-env.sh has been added to the falcon conf. This file can be used to set various environment variables that you
+need for you services.
+In addition you can set any other environment variables you might need. This file will be sourced by falcon scripts
+before any commands are executed. The following environment variables are available to set.
+
+<verbatim>
+# The java implementation to use. If JAVA_HOME is not found we expect java and jar to be in path
+#export JAVA_HOME=
+
+# any additional java opts you want to set. This will apply to both client and server operations
+#export FALCON_OPTS=
+
+# any additional java opts that you want to set for client only
+#export FALCON_CLIENT_OPTS=
+
+# java heap size we want to set for the client. Default is 1024MB
+#export FALCON_CLIENT_HEAP=
+
+# any additional opts you want to set for prism service.
+#export FALCON_PRISM_OPTS=
+
+# java heap size we want to set for the prism service. Default is 1024MB
+#export FALCON_PRISM_HEAP=
+
+# any additional opts you want to set for falcon service.
+#export FALCON_SERVER_OPTS=
+
+# java heap size we want to set for the falcon server. Default is 1024MB
+#export FALCON_SERVER_HEAP=
+
+# What is is considered as falcon home dir. Default is the base location of the installed software
+#export FALCON_HOME_DIR=
+
+# Where log files are stored. Default is logs directory under the base install location
+#export FALCON_LOG_DIR=
+
+# Where pid files are stored. Default is logs directory under the base install location
+#export FALCON_PID_DIR=
+
+# where the falcon active mq data is stored. Default is logs/data directory under the base install location
+#export FALCON_DATA_DIR=
+
+# Where do you want to expand the war file. By Default it is in /server/webapp dir under the base install dir.
+#export FALCON_EXPANDED_WEBAPP_DIR=
+</verbatim>
+
+---++Advanced Configurations
+
+---+++Configuring Monitoring plugin to register catalog partitions
+Falcon comes with a monitoring plugin that registers catalog partition. This comes in really handy during migration from
+ filesystem based feeds to hcatalog based feeds.
+This plugin enables the user to de-couple the partition registration and assume that all partitions are already on
+hcatalog even before the migration, simplifying the hcatalog migration.
+
+By default this plugin is disabled.
+To enable this plugin and leverage the feature, there are 3 pre-requisites:
+<verbatim>
+In {package dir}/conf/startup.properties, add
+*.workflow.execution.listeners=org.apache.falcon.catalog.CatalogPartitionHandler
+
+In the cluster definition, ensure registry endpoint is defined.
+Ex:
+<interface type="registry" endpoint="thrift://localhost:1109" version="0.13.3"/>
+
+In the feed definition, ensure the corresponding catalog table is mentioned in feed-properties
+Ex:
+<properties>
+ <property name="catalog.table" value="catalog:default:in_table#year={YEAR};month={MONTH};day={DAY};hour={HOUR};
+ minute={MINUTE}"/>
+</properties>
+</verbatim>
+
+*NOTE : for Mac OS users*
+<verbatim>
+If you are using a Mac OS, you will need to configure the FALCON_SERVER_OPTS (explained above).
+
+In {package dir}/conf/falcon-env.sh uncomment the following line
+#export FALCON_SERVER_OPTS=
+
+and change it to look as below
+export FALCON_SERVER_OPTS="-Djava.awt.headless=true -Djava.security.krb5.realm= -Djava.security.krb5.kdc="
+</verbatim>
+
+
+---+++Activemq
+
+* falcon server starts embedded active mq. To control this behaviour, set the following system properties using -D
+option in environment variable FALCON_OPTS:
+ * falcon.embeddedmq=<true/false> - Should server start embedded active mq, default true
+ * falcon.embeddedmq.port=<port> - Port for embedded active mq, default 61616
+ * falcon.embeddedmq.data=<path> - Data path for embedded active mq, default {package dir}/logs/data
+
+---+++Adding Extension Libraries
+
+Library extensions allows users to add custom libraries to entity lifecycles such as feed retention, feed replication
+and process execution. This is useful for usecases such as adding filesystem extensions. To enable this, add the
+following configs to startup.properties:
+*.libext.paths=<paths to be added to all entity lifecycles>
+
+*.libext.feed.paths=<paths to be added to all feed lifecycles>
+
+*.libext.feed.retentions.paths=<paths to be added to feed retention workflow>
+
+*.libext.feed.replication.paths=<paths to be added to feed replication workflow>
+
+*.libext.process.paths=<paths to be added to process workflow>
+
+The configured jars are added to falcon classpath and the corresponding workflows.
Added: falcon/trunk/releases/0.7/src/site/twiki/Distributed-mode.twiki
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--- falcon/trunk/releases/0.7/src/site/twiki/Distributed-mode.twiki (added)
+++ falcon/trunk/releases/0.7/src/site/twiki/Distributed-mode.twiki Wed Sep 9 13:49:51 2015
@@ -0,0 +1,198 @@
+---+Distributed Mode
+
+
+Following are the steps needed to package and deploy Falcon in Embedded Mode. You need to complete Steps 1-3 mentioned
+ [[InstallationSteps][here]] before proceeding further.
+
+---++Package Falcon
+Ensure that you are in the base directory (where you cloned Falcon). Letâs call it {project dir}
+
+<verbatim>
+$mvn clean assembly:assembly -DskipTests -DskipCheck=true -Pdistributed,hadoop-2
+</verbatim>
+
+
+<verbatim>
+$ls {project dir}/target/
+</verbatim>
+
+It should give an output like below :
+<verbatim>
+apache-falcon-distributed-${project.version}-server.tar.gz
+apache-falcon-distributed-${project.version}-sources.tar.gz
+archive-tmp
+maven-shared-archive-resources
+</verbatim>
+
+ * apache-falcon-distributed-${project.version}-sources.tar.gz contains source files of Falcon repo.
+
+ * apache-falcon-distributed-${project.version}-server.tar.gz package contains project artifacts along with it's
+dependencies, configuration files and scripts required to deploy Falcon.
+
+
+Tar can be found in {project dir}/target/apache-falcon-distributed-${project.version}-server.tar.gz . This is the tar
+used for installing Falcon. Lets call it {falcon package}
+
+Tar is structured as follows.
+
+<verbatim>
+
+|- bin
+ |- falcon
+ |- falcon-start
+ |- falcon-stop
+ |- falcon-status
+ |- falcon-config.sh
+ |- service-start.sh
+ |- service-stop.sh
+ |- service-status.sh
+ |- prism-stop
+ |- prism-start
+ |- prism-status
+|- conf
+ |- startup.properties
+ |- runtime.properties
+ |- client.properties
+ |- prism.keystore
+ |- log4j.xml
+ |- falcon-env.sh
+|- docs
+|- client
+ |- lib (client support libs)
+|- server
+ |- webapp
+ |- falcon.war
+ |- prism.war
+|- oozie
+ |- conf
+ |- libext
+|- hadooplibs
+|- README
+|- NOTICE.txt
+|- LICENSE.txt
+|- DISCLAIMER.txt
+|- CHANGES.txt
+</verbatim>
+
+
+---++Installing & running Falcon
+
+---+++Installing Falcon
+
+Running Falcon in distributed mode requires bringing up both prism and server.As the name suggests Falcon prism splits
+the request it gets to the Falcon servers. It is a good practice to start prism and server with their corresponding
+configurations separately. Create separate directory for prism and server. Let's call them {falcon-prism-dir} and
+{falcon-server-dir} respectively.
+
+*For prism*
+<verbatim>
+$mkdir {falcon-prism-dir}
+$tar -xzvf {falcon package}
+</verbatim>
+
+*For server*
+<verbatim>
+$mkdir {falcon-server-dir}
+$tar -xzvf {falcon package}
+</verbatim>
+
+
+---+++Starting Prism
+
+<verbatim>
+cd {falcon-prism-dir}/falcon-distributed-${project.version}
+bin/prism-start [-port <port>]
+</verbatim>
+
+By default,
+* prism server starts at port 16443. To change the port, use -port option
+
+* falcon.enableTLS can be set to true or false explicitly to enable SSL, if not port that end with 443 will
+automatically put prism on https://
+
+* prism starts with conf from {falcon-prism-dir}/falcon-distributed-${project.version}/conf. To override this (to use
+the same conf with multiple prism upgrades), set environment variable FALCON_CONF to the path of conf dir. You can find
+the instructions for configuring Falcon [[Configuration][here]].
+
+*Enabling prism-client*
+*If prism is not started using default-port 16443 then edit the following property in
+{falcon-prism-dir}/falcon-distributed-${project.version}/conf/client.properties
+falcon.url=http://{machine-ip}:{prism-port}/
+
+
+---+++Starting Falcon Server
+
+<verbatim>
+$cd {falcon-server-dir}/falcon-distributed-${project.version}
+$bin/falcon-start [-port <port>]
+</verbatim>
+
+By default,
+* If falcon.enableTLS is set to true explicitly or not set at all, Falcon starts at port 15443 on https:// by default.
+
+* If falcon.enableTLS is set to false explicitly, Falcon starts at port 15000 on http://.
+
+* To change the port, use -port option.
+
+* If falcon.enableTLS is not set explicitly, port that ends with 443 will automatically put Falcon on https://. Any
+other port will put Falcon on http://.
+
+* server starts with conf from {falcon-server-dir}/falcon-distributed-${project.version}/conf. To override this (to use
+the same conf with multiple server upgrades), set environment variable FALCON_CONF to the path of conf dir. You can find
+ the instructions for configuring Falcon [[Configuration][here]].
+
+*Enabling server-client*
+*If server is not started using default-port 15443 then edit the following property in
+{falcon-server-dir}/falcon-distributed-${project.version}/conf/client.properties. You can find the instructions for
+configuring Falcon here.
+falcon.url=http://{machine-ip}:{server-port}/
+
+*NOTE* : https is the secure version of HTTP, the protocol over which data is sent between your browser and the website
+that you are connected to. By default Falcon runs in https mode. But user can configure it to http.
+
+
+---+++Using Falcon
+
+<verbatim>
+$cd {falcon-prism-dir}/falcon-distributed-${project.version}
+$bin/falcon admin -version
+Falcon server build version: {Version:"${project.version}-SNAPSHOT-rd7e2be9afa2a5dc96acd1ec9e325f39c6b2f17f7",
+Mode:"embedded"}
+
+$bin/falcon help
+(for more details about Falcon cli usage)
+</verbatim>
+
+
+---+++Dashboard
+
+Once Falcon / prism is started, you can view the status of Falcon entities using the Web-based dashboard. You can open
+your browser at the corresponding port to use the web UI.
+
+Falcon dashboard makes the REST api calls as user "falcon-dashboard". If this user does not exist on your Falcon and
+Oozie servers, please create the user.
+
+<verbatim>
+## create user.
+[root@falconhost ~] useradd -U -m falcon-dashboard -G users
+
+## verify user is created with membership in correct groups.
+[root@falconhost ~] groups falcon-dashboard
+falcon-dashboard : falcon-dashboard users
+[root@falconhost ~]
+</verbatim>
+
+
+---+++Stopping Falcon Server
+
+<verbatim>
+$cd {falcon-server-dir}/falcon-distributed-${project.version}
+$bin/falcon-stop
+</verbatim>
+
+---+++Stopping Falcon Prism
+
+<verbatim>
+$cd {falcon-prism-dir}/falcon-distributed-${project.version}
+$bin/prism-stop
+</verbatim>
Added: falcon/trunk/releases/0.7/src/site/twiki/Embedded-mode.twiki
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--- falcon/trunk/releases/0.7/src/site/twiki/Embedded-mode.twiki (added)
+++ falcon/trunk/releases/0.7/src/site/twiki/Embedded-mode.twiki Wed Sep 9 13:49:51 2015
@@ -0,0 +1,198 @@
+---+Embedded Mode
+
+Following are the steps needed to package and deploy Falcon in Embedded Mode. You need to complete Steps 1-3 mentioned
+ [[InstallationSteps][here]] before proceeding further.
+
+---++Package Falcon
+Ensure that you are in the base directory (where you cloned Falcon). Letâs call it {project dir}
+
+<verbatim>
+$mvn clean assembly:assembly -DskipTests -DskipCheck=true
+</verbatim>
+
+<verbatim>
+$ls {project dir}/target/
+</verbatim>
+It should give an output like below :
+<verbatim>
+apache-falcon-${project.version}-bin.tar.gz
+apache-falcon-${project.version}-sources.tar.gz
+archive-tmp
+maven-shared-archive-resources
+</verbatim>
+
+* apache-falcon-${project.version}-sources.tar.gz contains source files of Falcon repo.
+
+* apache-falcon-${project.version}-bin.tar.gz package contains project artifacts along with it's dependencies,
+configuration files and scripts required to deploy Falcon.
+
+Tar can be found in {project dir}/target/apache-falcon-${project.version}-bin.tar.gz
+
+Tar is structured as follows :
+
+<verbatim>
+
+|- bin
+ |- falcon
+ |- falcon-start
+ |- falcon-stop
+ |- falcon-status
+ |- falcon-config.sh
+ |- service-start.sh
+ |- service-stop.sh
+ |- service-status.sh
+|- conf
+ |- startup.properties
+ |- runtime.properties
+ |- prism.keystore
+ |- client.properties
+ |- log4j.xml
+ |- falcon-env.sh
+|- docs
+|- client
+ |- lib (client support libs)
+|- server
+ |- webapp
+ |- falcon.war
+|- data
+ |- falcon-store
+ |- graphdb
+ |- localhost
+|- examples
+ |- app
+ |- hive
+ |- oozie-mr
+ |- pig
+ |- data
+ |- entity
+ |- filesystem
+ |- hcat
+|- oozie
+ |- conf
+ |- libext
+|- logs
+|- hadooplibs
+|- README
+|- NOTICE.txt
+|- LICENSE.txt
+|- DISCLAIMER.txt
+|- CHANGES.txt
+</verbatim>
+
+
+---++Installing & running Falcon
+
+Running Falcon in embedded mode requires bringing up server.
+
+<verbatim>
+$tar -xzvf {falcon package}
+$cd falcon-${project.version}
+</verbatim>
+
+
+---+++Starting Falcon Server
+<verbatim>
+$cd falcon-${project.version}
+$bin/falcon-start [-port <port>]
+</verbatim>
+
+By default,
+* If falcon.enableTLS is set to true explicitly or not set at all, Falcon starts at port 15443 on https:// by default.
+
+* If falcon.enableTLS is set to false explicitly, Falcon starts at port 15000 on http://.
+
+* To change the port, use -port option.
+
+* If falcon.enableTLS is not set explicitly, port that ends with 443 will automatically put Falcon on https://. Any
+other port will put Falcon on http://.
+
+* Server starts with conf from {falcon-server-dir}/falcon-distributed-${project.version}/conf. To override this (to use
+the same conf with multiple server upgrades), set environment variable FALCON_CONF to the path of conf dir. You can find
+ the instructions for configuring Falcon [[Configuration][here]].
+
+
+---+++Enabling server-client
+If server is not started using default-port 15443 then edit the following property in
+{falcon-server-dir}/falcon-${project.version}/conf/client.properties
+
+falcon.url=http://{machine-ip}:{server-port}/
+
+
+---+++Using Falcon
+<verbatim>
+$cd falcon-${project.version}
+$bin/falcon admin -version
+Falcon server build version: {Version:"${project.version}-SNAPSHOT-rd7e2be9afa2a5dc96acd1ec9e325f39c6b2f17f7",Mode:
+"embedded",Hadoop:"${hadoop.version}"}
+
+$bin/falcon help
+(for more details about Falcon cli usage)
+</verbatim>
+
+*Note* : https is the secure version of HTTP, the protocol over which data is sent between your browser and the website
+that you are connected to. By default Falcon runs in https mode. But user can configure it to http.
+
+
+---+++Dashboard
+
+Once Falcon server is started, you can view the status of Falcon entities using the Web-based dashboard. You can open
+your browser at the corresponding port to use the web UI.
+
+Falcon dashboard makes the REST api calls as user "falcon-dashboard". If this user does not exist on your Falcon and
+Oozie servers, please create the user.
+
+<verbatim>
+## create user.
+[root@falconhost ~] useradd -U -m falcon-dashboard -G users
+
+## verify user is created with membership in correct groups.
+[root@falconhost ~] groups falcon-dashboard
+falcon-dashboard : falcon-dashboard users
+[root@falconhost ~]
+</verbatim>
+
+
+---++Running Examples using embedded package
+<verbatim>
+$cd falcon-${project.version}
+$bin/falcon-start
+</verbatim>
+Make sure the Hadoop and Oozie endpoints are according to your setup in
+examples/entity/filesystem/standalone-cluster.xml
+The cluster locations,staging and working dirs, MUST be created prior to submitting a cluster entity to Falcon.
+*staging* must have 777 permissions and the parent dirs must have execute permissions
+*working* must have 755 permissions and the parent dirs must have execute permissions
+<verbatim>
+$bin/falcon entity -submit -type cluster -file examples/entity/filesystem/standalone-cluster.xml
+</verbatim>
+Submit input and output feeds:
+<verbatim>
+$bin/falcon entity -submit -type feed -file examples/entity/filesystem/in-feed.xml
+$bin/falcon entity -submit -type feed -file examples/entity/filesystem/out-feed.xml
+</verbatim>
+Set-up workflow for the process:
+<verbatim>
+$hadoop fs -put examples/app /
+</verbatim>
+Submit and schedule the process:
+<verbatim>
+$bin/falcon entity -submitAndSchedule -type process -file examples/entity/filesystem/oozie-mr-process.xml
+$bin/falcon entity -submitAndSchedule -type process -file examples/entity/filesystem/pig-process.xml
+</verbatim>
+Generate input data:
+<verbatim>
+$examples/data/generate.sh <<hdfs endpoint>>
+</verbatim>
+Get status of instances:
+<verbatim>
+$bin/falcon instance -status -type process -name oozie-mr-process -start 2013-11-15T00:05Z -end 2013-11-15T01:00Z
+</verbatim>
+
+HCat based example entities are in examples/entity/hcat.
+
+
+---+++Stopping Falcon Server
+<verbatim>
+$cd falcon-${project.version}
+$bin/falcon-stop
+</verbatim>
Added: falcon/trunk/releases/0.7/src/site/twiki/EntitySpecification.twiki
URL: http://svn.apache.org/viewvc/falcon/trunk/releases/0.7/src/site/twiki/EntitySpecification.twiki?rev=1702009&view=auto
==============================================================================
--- falcon/trunk/releases/0.7/src/site/twiki/EntitySpecification.twiki (added)
+++ falcon/trunk/releases/0.7/src/site/twiki/EntitySpecification.twiki Wed Sep 9 13:49:51 2015
@@ -0,0 +1,835 @@
+---++ Contents
+ * <a href="#Cluster_Specification">Cluster Specification</a>
+ * <a href="#Feed_Specification">Feed Specification</a>
+ * <a href="#Process_Specification">Process Specification</a>
+
+---++ Cluster Specification
+The cluster XSD specification is available here:
+A cluster contains different interfaces which are used by Falcon like readonly, write, workflow and messaging.
+A cluster is referenced by feeds and processes which are on-boarded to Falcon by its name.
+
+Following are the tags defined in a cluster.xml:
+<verbatim>
+<cluster colo="gs" description="" name="corp" xmlns="uri:falcon:cluster:0.1"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+</verbatim>
+The colo specifies the colo to which this cluster belongs to and name is the name of the cluster which has to
+be unique.
+
+
+---+++ Interfaces
+
+A cluster has various interfaces as described below:
+<verbatim>
+ <interface type="readonly" endpoint="hftp://localhost:50010" version="0.20.2" />
+</verbatim>
+A readonly interface specifies the endpoint for Hadoop's HFTP protocol,
+this would be used in the context of feed replication.
+
+<verbatim>
+<interface type="write" endpoint="hdfs://localhost:8020" version="0.20.2" />
+</verbatim>
+A write interface specifies the interface to write to hdfs, it's endpoint is the value of fs.defaultFS.
+Falcon uses this interface to write system data to hdfs and feeds referencing this cluster are written to hdfs
+using the same write interface.
+
+<verbatim>
+<interface type="execute" endpoint="localhost:8021" version="0.20.2" />
+</verbatim>
+An execute interface specifies the interface for job tracker, it's endpoint is the value of mapreduce.jobtracker.address.
+Falcon uses this interface to submit the processes as jobs on !JobTracker defined here.
+
+<verbatim>
+<interface type="workflow" endpoint="http://localhost:11000/oozie/" version="4.0" />
+</verbatim>
+A workflow interface specifies the interface for workflow engine, example of its endpoint is the value for OOZIE_URL.
+Falcon uses this interface to schedule the processes referencing this cluster on workflow engine defined here.
+
+<verbatim>
+<interface type="registry" endpoint="thrift://localhost:9083" version="0.11.0" />
+</verbatim>
+A registry interface specifies the interface for metadata catalog, such as Hive Metastore (or HCatalog).
+Falcon uses this interface to register/de-register partitions for a given database and table. Also,
+uses this information to schedule data availability events based on partitions in the workflow engine.
+Although Hive metastore supports both RPC and HTTP, Falcon comes with an implementation for RPC over thrift.
+
+<verbatim>
+<interface type="messaging" endpoint="tcp://localhost:61616?daemon=true" version="5.4.6" />
+</verbatim>
+A messaging interface specifies the interface for sending feed availability messages, it's endpoint is broker url with tcp address.
+
+---+++ Locations
+
+A cluster has a list of locations defined:
+<verbatim>
+<location name="staging" path="/projects/falcon/staging" />
+<location name="working" path="/projects/falcon/working" /> <!--optional-->
+</verbatim>
+Location has the name and the path, name is the type of locations .Allowed values of name are staging, temp and working.
+Path is the hdfs path for each location.
+Falcon would use the location to do intermediate processing of entities in hdfs and hence Falcon
+should have read/write/execute permission on these locations.
+These locations MUST be created prior to submitting a cluster entity to Falcon.
+*staging* should have 777 permissions and is a mandatory location .The parent dirs must have execute permissions so multiple
+users can write to this location. *working* must have 755 permissions and is a optional location.
+If *working* is not specified, falcon creates a sub directory in the *staging* location with 755 perms.
+The parent dir for *working* must have execute permissions so multiple
+users can read from this location
+
+---+++ ACL
+
+A cluster has ACL (Access Control List) useful for implementing permission requirements
+and provide a way to set different permissions for specific users or named groups.
+<verbatim>
+ <ACL owner="test-user" group="test-group" permission="*"/>
+</verbatim>
+ACL indicates the Access control list for this cluster.
+owner is the Owner of this entity.
+group is the one which has access to read.
+permission indicates the permission.
+
+---+++ Custom Properties
+
+A cluster has a list of properties:
+A key-value pair, which are propagated to the workflow engine.
+<verbatim>
+<property name="brokerImplClass" value="org.apache.activemq.ActiveMQConnectionFactory" />
+</verbatim>
+Ideally JMS impl class name of messaging engine (brokerImplClass)
+should be defined here.
+
+---++ Feed Specification
+The Feed XSD specification is available here.
+A Feed defines various attributes of feed like feed location, frequency, late-arrival handling and retention policies.
+A feed can be scheduled on a cluster, once a feed is scheduled its retention and replication process are triggered in a given cluster.
+<verbatim>
+<feed description="clicks log" name="clicks" xmlns="uri:falcon:feed:0.1"
+xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+</verbatim>
+A feed should have a unique name and this name is referenced by processes as input or output feed.
+
+---+++ Storage
+Falcon introduces a new abstraction to encapsulate the storage for a given feed which can either be
+expressed as a path on the file system, File System Storage or a table in a catalog such as Hive, Catalog Storage.
+
+<verbatim>
+ <xs:choice minOccurs="1" maxOccurs="1">
+ <xs:element type="locations" name="locations"/>
+ <xs:element type="catalog-table" name="table"/>
+ </xs:choice>
+</verbatim>
+
+Feed should contain one of the two storage options. Locations on File System or Table in a Catalog.
+
+---++++ File System Storage
+
+<verbatim>
+ <clusters>
+ <cluster name="test-cluster">
+ <validity start="2012-07-20T03:00Z" end="2099-07-16T00:00Z"/>
+ <retention limit="days(10)" action="delete"/>
+ <sla slaLow="hours(3)" slaHigh="hours(4)"/>
+ <locations>
+ <location type="data" path="/hdfsDataLocation/${YEAR}/${MONTH}/${DAY}/${HOUR}/${MINUTE}"/>
+ <location type="stats" path="/projects/falcon/clicksStats" />
+ <location type="meta" path="/projects/falcon/clicksMetaData" />
+ </locations>
+ </cluster>
+..... more clusters </clusters>
+</verbatim>
+Feed references a cluster by it's name, before submitting a feed all the referenced cluster should be submitted to Falcon.
+type: specifies whether the referenced cluster should be treated as a source or target for a feed. A feed can have multiple source and target clusters. If the type of cluster is not specified then the cluster is not considered for replication.
+Validity of a feed on cluster specifies duration for which this feed is valid on this cluster.
+Retention specifies how long the feed is retained on this cluster and the action to be taken on the feed after the expiry of retention period.
+The retention limit is specified by expression frequency(times), ex: if feed should be retained for at least 6 hours then retention's limit="hours(6)".
+The field partitionExp contains partition tags. Number of partition tags has to be equal to number of partitions specified in feed schema. A partition tag can be a wildcard(*), a static string or an expression. Atleast one of the strings has to be an expression.
+sla specifies sla for the feed on this cluster. This is an optional parameter and sla can be same or different from the
+global sla tag (mentioned outside the clusters tag ). This tag provides the user to flexibility to have
+different sla for different clusters e.g. in case of replication. If this attribute is missing then the default global
+sla is picked from the feed definition.
+Location specifies where the feed is available on this cluster. This is an optional parameter and path can be same or different from the global locations tag value ( it is mentioned outside the clusters tag ) . This tag provides the user to flexibility to have feed at different locations on different clusters. If this attribute is missing then the default global location is picked from the feed definition. Also the individual location tags data, stats, meta are optional.
+<verbatim>
+ <location type="data" path="/projects/falcon/clicks" />
+ <location type="stats" path="/projects/falcon/clicksStats" />
+ <location type="meta" path="/projects/falcon/clicksMetaData" />
+</verbatim>
+A location tag specifies the type of location like data, meta, stats and the corresponding paths for them.
+A feed should at least define the location for type data, which specifies the HDFS path pattern where the feed is generated
+periodically. ex: type="data" path="/projects/TrafficHourly/${YEAR}-${MONTH}-${DAY}/traffic"
+The granularity of date pattern in the path should be at least that of a frequency of a feed.
+Other location type which are supported are stats and meta paths, if a process references a feed then the meta and stats
+paths are available as a property in a process.
+
+---++++ Catalog Storage (Table)
+
+A table tag specifies the table URI in the catalog registry as:
+<verbatim>
+catalog:$database-name:$table-name#partition-key=partition-value);partition-key=partition-value);*
+</verbatim>
+
+This is modeled as a URI (similar to an ISBN URI). It does not have any reference to Hive or HCatalog. Its quite
+generic so it can be tied to other implementations of a catalog registry. The catalog implementation specified
+in the startup config provides implementation for the catalog URI.
+
+Top-level partition has to be a dated pattern and the granularity of date pattern should be at least that
+of a frequency of a feed.
+
+<verbatim>
+ <xs:complexType name="catalog-table">
+ <xs:annotation>
+ <xs:documentation>
+ catalog specifies the uri of a Hive table along with the partition spec.
+ uri="catalog:$database:$table#(partition-key=partition-value);+"
+ Example: catalog:logs-db:clicks#ds=${YEAR}-${MONTH}-${DAY}
+ </xs:documentation>
+ </xs:annotation>
+ <xs:attribute type="xs:string" name="uri" use="required"/>
+ </xs:complexType>
+</verbatim>
+
+Examples:
+<verbatim>
+<table uri="catalog:default:clicks#ds=${YEAR}-${MONTH}-${DAY}-${HOUR};region=${region}" />
+<table uri="catalog:src_demo_db:customer_raw#ds=${YEAR}-${MONTH}-${DAY}-${HOUR}" />
+<table uri="catalog:tgt_demo_db:customer_bcp#ds=${YEAR}-${MONTH}-${DAY}-${HOUR}" />
+</verbatim>
+
+---+++ Partitions
+
+<verbatim>
+ <partitions>
+ <partition name="country" />
+ <partition name="cluster" />
+ </partitions>
+</verbatim>
+A feed can define multiple partitions, if a referenced cluster defines partitions then the number of partitions in feed has to be equal to or more than the cluster partitions.
+
+*Note:* This will only apply for !FileSystem storage but not Table storage as partitions are defined and maintained in
+Hive (HCatalog) registry.
+
+---+++ Groups
+
+<verbatim>
+ <groups>online,bi</groups>
+</verbatim>
+A feed specifies a list of comma separated groups, a group is a logical grouping of feeds and a group is said to be
+available if all the feeds belonging to a group are available. The frequency of all the feed which belong to the same group
+must be same.
+
+---+++ Availability Flags
+
+<verbatim>
+ <availabilityFlag>_SUCCESS</availabilityFlag>
+</verbatim>
+An availabilityFlag specifies the name of a file which when present/created in a feeds data directory,
+the feed is termed as available. ex: _SUCCESS, if this element is ignored then Falcon would consider the presence of feed's
+data directory as feed availability.
+
+---+++ Frequency
+
+<verbatim>
+ <frequency>minutes(20)</frequency>
+</verbatim>
+A feed has a frequency which specifies the frequency by which this feed is generated.
+ex: it can be generated every hour, every 5 minutes, daily, weekly etc.
+valid frequency type for a feed are minutes, hours, days, months. The values can be negative, zero or positive.
+
+---+++ SLA
+<verbatim>
+ <sla slaLow="hours(40)" slaHigh="hours(44)" />
+</verbatim>
+
+A feed can have SLA and each SLA has two properties - slaLow and slaHigh. Both slaLow and slaHigh are written using
+expressions like frequency. slaLow is intended to serve for alerting for feed instances which are in danger of missing their
+availability SLAs. slaHigh is intended to serve for reporting the feeds which missed their SLAs. SLAs are relative to
+feed instance time.
+
+
+---+++ Late Arrival
+
+<verbatim>
+ <late-arrival cut-off="hours(6)" />
+</verbatim>
+A late-arrival specifies the cut-off period till which the feed is expected to arrive late and should be honored be processes referring to it as input feed by rerunning the instances in case the data arrives late with in a cut-off period.
+The cut-off period is specified by expression frequency(times), ex: if the feed can arrive late
+upto 8 hours then late-arrival's cut-off="hours(8)"
+
+*Note:* This will only apply for !FileSystem storage but not Table storage until a future time.
+
+---+++ ACL
+
+A feed has ACL (Access Control List) useful for implementing permission requirements
+and provide a way to set different permissions for specific users or named groups.
+<verbatim>
+ <ACL owner="test-user" group="test-group" permission="*"/>
+</verbatim>
+ACL indicates the Access control list for this cluster.
+owner is the Owner of this entity.
+group is the one which has access to read.
+permission indicates the permission.
+
+---+++ Custom Properties
+
+<verbatim>
+ <properties>
+ <property name="tmpFeedPath" value="tmpFeedPathValue" />
+ <property name="field2" value="value2" />
+ <property name="queueName" value="hadoopQueue"/>
+ <property name="jobPriority" value="VERY_HIGH"/>
+ <property name="timeout" value="hours(1)"/>
+ <property name="parallel" value="3"/>
+ <property name="maxMaps" value="8"/>
+ <property name="mapBandwidth" value="1"/>
+ <property name="overwrite" value="true"/>
+ <property name="ignoreErrors" value="false"/>
+ <property name="skipChecksum" value="false"/>
+ <property name="removeDeletedFiles" value="true"/>
+ <property name="preserveBlockSize" value="true"/>
+ <property name="preserveReplicationNumber" value="true"/>
+ <property name="preservePermission" value="true"/>
+ <property name="order" value="LIFO"/>
+ </properties>
+</verbatim>
+A key-value pair, which are propagated to the workflow engine. "queueName" and "jobPriority" are special properties
+available to user to specify the Hadoop job queue and priority, the same values are used by Falcon's launcher job.
+"timeout", "parallel" and "order" are other special properties which decides replication instance's timeout value while
+waiting for the feed instance, parallel decides the concurrent replication instances that can run at any given time and
+order decides the execution order for replication instances like FIFO, LIFO and LAST_ONLY.
+DistCp options can be passed as custom properties, which will be propagated to the DistCp tool. "maxMaps" represents
+the maximum number of maps used during replication. "mapBandwidth" represents the bandwidth in MB/s
+used by each mapper during replication. "overwrite" represents overwrite destination during replication.
+"ignoreErrors" represents ignore failures not causing the job to fail during replication. "skipChecksum" represents
+bypassing checksum verification during replication. "removeDeletedFiles" represents deleting the files existing in the
+destination but not in source during replication. "preserveBlockSize" represents preserving block size during
+replication. "preserveReplicationNumber" represents preserving replication number during replication.
+"preservePermission" represents preserving permission during
+
+---++ Process Specification
+A process defines configuration for a workflow. A workflow is a directed acyclic graph(DAG) which defines the job for the workflow engine. A process definition defines the configurations required to run the workflow job. For example, process defines the frequency at which the workflow should run, the clusters on which the workflow should run, the inputs and outputs for the workflow, how the workflow failures should be handled, how the late inputs should be handled and so on.
+
+The different details of process are:
+---+++ Name
+Each process is identified with a unique name.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+</process>
+</verbatim>
+
+---+++ Tags
+An optional list of comma separated tags which are used for classification of processes.
+Syntax:
+<verbatim>
+...
+ <tags>consumer=consumer@xyz.com, owner=producer@xyz.com, department=forecasting</tags>
+</verbatim>
+
+---+++ Pipelines
+An optional list of comma separated word strings, specifies the data processing pipeline(s) to which this process belongs.
+Only letters, numbers and underscore are allowed for pipeline string.
+Syntax:
+<verbatim>
+...
+ <pipelines>test_Pipeline, dataReplication, clickStream_pipeline</pipelines>
+</verbatim>
+
+---+++ Cluster
+The cluster on which the workflow should run. A process should contain one or more clusters. Cluster definition for the cluster name gives the end points for workflow execution, name node, job tracker, messaging and so on. Each cluster inturn has validity mentioned, which tell the times between which the job should run on that specified cluster.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <clusters>
+ <cluster name="test-cluster1">
+ <validity start="2012-12-21T08:15Z" end="2100-01-01T00:00Z"/>
+ </cluster>
+ <cluster name="test-cluster2">
+ <validity start="2012-12-21T08:15Z" end="2100-01-01T00:00Z"/>
+ </cluster>
+ ....
+ ....
+ </clusters>
+
+...
+</process>
+</verbatim>
+
+---+++ Parallel
+Parallel defines how many instances of the workflow can run concurrently. It should be a positive integer > 0.
+For example, parallel of 1 ensures that only one instance of the workflow can run at a time. The next instance will start only after the running instance completes.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <parallel>[parallel]</parallel>
+...
+</process>
+</verbatim>
+
+---+++ Order
+Order defines the order in which the ready instances are picked up. The possible values are FIFO(First In First Out), LIFO(Last In First Out), and ONLYLAST(Last Only).
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <order>[order]</order>
+...
+</process>
+</verbatim>
+
+---+++ Timeout
+A optional Timeout specifies the maximum time an instance waits for a dataset before being killed by the workflow engine, a time out is specified like frequency.
+If timeout is not specified, falcon computes a default timeout for a process based on its frequency, which is six times of the frequency of process or 30 minutes if computed timeout is less than 30 minutes.
+<verbatim>
+<process name="[process name]">
+...
+ <timeout>[timeunit]([frequency])</timeout>
+...
+</process>
+</verbatim>
+
+---+++ Frequency
+Frequency defines how frequently the workflow job should run. For example, hours(1) defines the frequency as hourly, days(7) defines weekly frequency. The values for timeunit can be minutes/hours/days/months and the frequency number should be a positive integer > 0.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <frequency>[timeunit]([frequency])</order>
+...
+</process>
+</verbatim>
+
+---+++ SLA
+<verbatim>
+ <sla shouldStartIn="hours(2)" shouldEndIn="hours(4)"/>
+</verbatim>
+A process can have SLA which is defined by 2 optional attributes - shouldStartIn and shouldEndIn. All the attributes
+are written using expressions like frequency. shouldStartIn is the time by which the process should have started.
+shouldEndIn is the time by which the process should have finished.
+
+
+---+++ Validity
+Validity defines how long the workflow should run. It has 3 components - start time, end time and timezone. Start time and end time are timestamps defined in yyyy-MM-dd'T'HH:mm'Z' format and should always be in UTC. Timezone is used to compute the next instances starting from start time. The workflow will start at start time and end before end time specified on a given cluster. So, there will not be a workflow instance at end time.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <validity start=[start time] end=[end time] timezone=[timezone]/>
+...
+</process>
+</verbatim>
+
+Examples:
+<verbatim>
+<process name="sample-process">
+...
+ <frequency>days(1)</frequency>
+ <validity start="2012-01-01T00:40Z" end="2012-04-01T00:00" timezone="UTC"/>
+...
+</process>
+</verbatim>
+The daily workflow will start on Jan 1st 2012 at 00:40 UTC, it will run at 40th minute of every hour and the last instance will be at March 31st 2012 at 23:40 UTC.
+
+<verbatim>
+<process name="sample-process">
+...
+ <frequency>hours(1)</frequency>
+ <validity start="2012-03-11T08:40Z" end="2012-03-12T08:00" timezone="PST8PDT"/>
+...
+</process>
+</verbatim>
+The hourly workflow will start on March 11th 2012 at 00:40 PST, the next instances will be at 01:40 PST, 03:40 PDT, 04:40 PDT and so on till 23:40 PDT. So, there will be just 23 instances of the workflow for March 11th 2012 because of DST switch.
+
+---+++ Inputs
+Inputs define the input data for the workflow. The workflow job will start executing only after the schedule time and when all the inputs are available. There can be 0 or more inputs and each of the input maps to a feed. The path and frequency of input data is picked up from feed definition. Each input should also define start and end instances in terms of [[FalconDocumentation][EL expressions]] and can optionally specify specific partition of input that the workflow requires. The components in partition should be subset of partitions defined in the feed.
+
+For each input, Falcon will create a property with the input name that contains the comma separated list of input paths. This property can be used in workflow actions like pig scripts and so on.
+
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <inputs>
+ <input name=[input name] feed=[feed name] start=[start el] end=[end el] partition=[partition]/>
+ ...
+ </inputs>
+...
+</process>
+</verbatim>
+
+Example:
+<verbatim>
+<feed name="feed1">
+...
+ <partition name="isFraud"/>
+ <partition name="country"/>
+ <frequency>hours(1)</frequency>
+ <locations>
+ <location type="data" path="/projects/bootcamp/feed1/${YEAR}-${MONTH}-${DAY}-${HOUR}"/>
+ ...
+ </locations>
+...
+</feed>
+<process name="sample-process">
+...
+ <inputs>
+ <input name="input1" feed="feed1" start="today(0,0)" end="today(1,0)" partition="*/US"/>
+ ...
+ </inputs>
+...
+</process>
+</verbatim>
+The input for the workflow is a hourly feed and takes 0th and 1st hour data of today(the day when the workflow runs).
+If the workflow is running for 2012-03-01T06:40Z, the inputs are /projects/bootcamp/feed1/2012-03-01-00/*/US and
+/projects/bootcamp/feed1/2012-03-01-01/*/US. The property for this input is
+input1=/projects/bootcamp/feed1/2012-03-01-00/*/US,/projects/bootcamp/feed1/2012-03-01-01/*/US
+
+Also, feeds with Hive table storage can be used as inputs to a process. Several parameters from inputs are passed as
+params to the user workflow or pig script.
+
+<verbatim>
+ ${wf:conf('falcon_input_database')} - database name associated with the feed for a given input
+ ${wf:conf('falcon_input_table')} - table name associated with the feed for a given input
+ ${wf:conf('falcon_input_catalog_url')} - Hive metastore URI for this input feed
+ ${wf:conf('falcon_input_partition_filter_pig')} - value of ${coord:dataInPartitionFilter('$input', 'pig')}
+ ${wf:conf('falcon_input_partition_filter_hive')} - value of ${coord:dataInPartitionFilter('$input', 'hive')}
+ ${wf:conf('falcon_input_partition_filter_java')} - value of ${coord:dataInPartitionFilter('$input', 'java')}
+</verbatim>
+
+*NOTE:* input is the name of the input configured in the process, which is input.getName().
+<verbatim><input name="input" feed="clicks-raw-table" start="yesterday(0,0)" end="yesterday(20,0)"/></verbatim>
+
+Example workflow configuration:
+
+<verbatim>
+<configuration>
+ <property>
+ <name>falcon_input_database</name>
+ <value>falcon_db</value>
+ </property>
+ <property>
+ <name>falcon_input_table</name>
+ <value>input_table</value>
+ </property>
+ <property>
+ <name>falcon_input_catalog_url</name>
+ <value>thrift://localhost:29083</value>
+ </property>
+ <property>
+ <name>falcon_input_storage_type</name>
+ <value>TABLE</value>
+ </property>
+ <property>
+ <name>feedInstancePaths</name>
+ <value>hcat://localhost:29083/falcon_db/output_table/ds=2012-04-21-00</value>
+ </property>
+ <property>
+ <name>falcon_input_partition_filter_java</name>
+ <value>(ds='2012-04-21-00')</value>
+ </property>
+ <property>
+ <name>falcon_input_partition_filter_hive</name>
+ <value>(ds='2012-04-21-00')</value>
+ </property>
+ <property>
+ <name>falcon_input_partition_filter_pig</name>
+ <value>(ds=='2012-04-21-00')</value>
+ </property>
+ ...
+</configuration>
+</verbatim>
+
+
+---+++ Optional Inputs
+User can mention one or more inputs as optional inputs. In such cases the job does not wait on those inputs which are
+mentioned as optional. If they are present it considers them otherwise continue with the compulsory ones.
+Example:
+<verbatim>
+<feed name="feed1">
+...
+ <partition name="isFraud"/>
+ <partition name="country"/>
+ <frequency>hours(1)</frequency>
+ <locations>
+ <location type="data" path="/projects/bootcamp/feed1/${YEAR}-${MONTH}-${DAY}-${HOUR}"/>
+ ...
+ </locations>
+...
+</feed>
+<process name="sample-process">
+...
+ <inputs>
+ <input name="input1" feed="feed1" start="today(0,0)" end="today(1,0)" partition="*/US"/>
+ <input name="input2" feed="feed2" start="today(0,0)" end="today(1,0)" partition="*/UK" optional="true" />
+ ...
+ </inputs>
+...
+</process>
+</verbatim>
+
+*Note:* This is only supported for !FileSystem storage but not Table storage at this point.
+
+
+---+++ Outputs
+Outputs define the output data that is generated by the workflow. A process can define 0 or more outputs. Each output is mapped to a feed and the output path is picked up from feed definition. The output instance that should be generated is specified in terms of [[FalconDocumentation][EL expression]].
+
+For each output, Falcon creates a property with output name that contains the path of output data. This can be used in workflows to store in the path.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <outputs>
+ <output name=[input name] feed=[feed name] instance=[instance el]/>
+ ...
+ </outputs>
+...
+</process>
+</verbatim>
+
+Example:
+<verbatim>
+<feed name="feed2">
+...
+ <frequency>days(1)</frequency>
+ <locations>
+ <location type="data" path="/projects/bootcamp/feed2/${YEAR}-${MONTH}-${DAY}"/>
+ ...
+ </locations>
+...
+</feed>
+<process name="sample-process">
+...
+ <outputs>
+ <output name="output1" feed="feed2" instance="today(0,0)"/>
+ ...
+ </outputs>
+...
+</process>
+</verbatim>
+The output of the workflow is feed instance for today. If the workflow is running for 2012-03-01T06:40Z,
+the workflow generates output /projects/bootcamp/feed2/2012-03-01. The property for this output that is available
+for workflow is: output1=/projects/bootcamp/feed2/2012-03-01
+
+Also, feeds with Hive table storage can be used as outputs to a process. Several parameters from outputs are passed as
+params to the user workflow or pig script.
+<verbatim>
+ ${wf:conf('falcon_output_database')} - database name associated with the feed for a given output
+ ${wf:conf('falcon_output_table')} - table name associated with the feed for a given output
+ ${wf:conf('falcon_output_catalog_url')} - Hive metastore URI for the given output feed
+ ${wf:conf('falcon_output_dataout_partitions')} - value of ${coord:dataOutPartitions('$output')}
+</verbatim>
+
+*NOTE:* output is the name of the output configured in the process, which is output.getName().
+<verbatim><output name="output" feed="clicks-summary-table" instance="today(0,0)"/></verbatim>
+
+Example workflow configuration:
+
+<verbatim>
+<configuration>
+ <property>
+ <name>falcon_output_database</name>
+ <value>falcon_db</value>
+ </property>
+ <property>
+ <name>falcon_output_table</name>
+ <value>output_table</value>
+ </property>
+ <property>
+ <name>falcon_output_catalog_url</name>
+ <value>thrift://localhost:29083</value>
+ </property>
+ <property>
+ <name>falcon_output_storage_type</name>
+ <value>TABLE</value>
+ </property>
+ <property>
+ <name>feedInstancePaths</name>
+ <value>hcat://localhost:29083/falcon_db/output_table/ds=2012-04-21-00</value>
+ </property>
+ <property>
+ <name>falcon_output_dataout_partitions</name>
+ <value>'ds=2012-04-21-00'</value>
+ </property>
+ ....
+</configuration>
+</verbatim>
+
+---+++ Custom Properties
+The properties are key value pairs that are passed to the workflow. These properties are optional and can be used
+in workflow to parameterize the workflow.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <properties>
+ <property name=[key] value=[value]/>
+ ...
+ </properties>
+...
+</process>
+</verbatim>
+
+The following are some special properties, which when present are used by the Falcon's launcher job, the same property is also available in workflow which can be used to propagate to pig or M/R job.
+<verbatim>
+ <property name="queueName" value="hadoopQueue"/>
+ <property name="jobPriority" value="VERY_HIGH"/>
+ <!-- This property is used to turn off JMS notifications for this process. JMS notifications are enabled by default. -->
+ <property name="userJMSNotificationEnabled" value="false"/>
+</verbatim>
+
+---+++ Workflow
+
+The workflow defines the workflow engine that should be used and the path to the workflow on hdfs.
+The workflow definition on hdfs contains the actual job that should run and it should confirm to
+the workflow specification of the engine specified. The libraries required by the workflow should
+be in lib folder inside the workflow path.
+
+The properties defined in the cluster and cluster properties(nameNode and jobTracker) will also
+be available for the workflow.
+
+There are 3 engines supported today.
+
+---++++ Oozie
+
+As part of oozie workflow engine support, users can embed a oozie workflow.
+Refer to oozie [[http://oozie.apache.org/docs/4.0.1/DG_Overview.html][workflow overview]] and
+[[http://oozie.apache.org/docs/4.0.1/WorkflowFunctionalSpec.html][workflow specification]] for details.
+
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <workflow engine=[workflow engine] path=[workflow path]/>
+...
+</process>
+</verbatim>
+
+Example:
+<verbatim>
+<process name="sample-process">
+...
+ <workflow engine="oozie" path="/projects/bootcamp/workflow"/>
+...
+</process>
+</verbatim>
+
+This defines the workflow engine to be oozie and the workflow xml is defined at
+/projects/bootcamp/workflow/workflow.xml. The libraries are at /projects/bootcamp/workflow/lib.
+
+---++++ Pig
+
+Falcon also adds the Pig engine which enables users to embed a Pig script as a process.
+
+Example:
+<verbatim>
+<process name="sample-process">
+...
+ <workflow engine="pig" path="/projects/bootcamp/pig.script"/>
+...
+</process>
+</verbatim>
+
+This defines the workflow engine to be pig and the pig script is defined at
+/projects/bootcamp/pig.script.
+
+Feeds with Hive table storage will send one more parameter apart from the general ones:
+<verbatim>$input_filter</verbatim>
+
+---++++ Hive
+
+Falcon also adds the Hive engine as part of Hive Integration which enables users to embed a Hive script as a process.
+This would enable users to create materialized queries in a declarative way.
+
+Example:
+<verbatim>
+<process name="sample-process">
+...
+ <workflow engine="hive" path="/projects/bootcamp/hive-script.hql"/>
+...
+</process>
+</verbatim>
+
+This defines the workflow engine to be hive and the hive script is defined at
+/projects/bootcamp/hive-script.hql.
+
+Feeds with Hive table storage will send one more parameter apart from the general ones:
+<verbatim>$input_filter</verbatim>
+
+---+++ Retry
+Retry policy defines how the workflow failures should be handled. Three retry policies are defined: periodic, exp-backoff(exponential backoff) and final. Depending on the delay and number of attempts, the workflow is re-tried after specific intervals.
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <retry policy=[retry policy] delay=[retry delay] attempts=[retry attempts]/>
+...
+</process>
+</verbatim>
+
+Examples:
+<verbatim>
+<process name="sample-process">
+...
+ <retry policy="periodic" delay="minutes(10)" attempts="3"/>
+...
+</process>
+</verbatim>
+The workflow is re-tried after 10 mins, 20 mins and 30 mins. With exponential backoff, the workflow will be re-tried after 10 mins, 20 mins and 40 mins.
+
+---+++ Late data
+Late data handling defines how the late data should be handled. Each feed is defined with a late cut-off value which specifies the time till which late data is valid. For example, late cut-off of hours(6) means that data for nth hour can get delayed by upto 6 hours. Late data specification in process defines how this late data is handled.
+
+Late data policy defines how frequently check is done to detect late data. The policies supported are: backoff, exp-backoff(exponention backoff) and final(at feed's late cut-off). The policy along with delay defines the interval at which late data check is done.
+
+Late input specification for each input defines the workflow that should run when late data is detected for that input.
+
+Syntax:
+<verbatim>
+<process name="[process name]">
+...
+ <late-process policy=[late handling policy] delay=[delay]>
+ <late-input input=[input name] workflow-path=[workflow path]/>
+ ...
+ </late-process>
+...
+</process>
+</verbatim>
+
+Example:
+<verbatim>
+<feed name="feed1">
+...
+ <frequency>hours(1)</frequency>
+ <late-arrival cut-off="hours(6)"/>
+...
+</feed>
+<process name="sample-process">
+...
+ <inputs>
+ <input name="input1" feed="feed1" start="today(0,0)" end="today(1,0)"/>
+ ...
+ </inputs>
+ <late-process policy="final">
+ <late-input input="input1" workflow-path="/projects/bootcamp/workflow/lateinput1" />
+ ...
+ </late-process>
+...
+</process>
+</verbatim>
+This late handling specifies that late data detection should run at feed's late cut-off which is 6 hours in this case. If there is late data, Falcon should run the workflow specified at /projects/bootcamp/workflow/lateinput1/workflow.xml
+
+*Note:* This is only supported for !FileSystem storage but not Table storage at this point.
+
+---+++ ACL
+
+A process has ACL (Access Control List) useful for implementing permission requirements
+and provide a way to set different permissions for specific users or named groups.
+<verbatim>
+ <ACL owner="test-user" group="test-group" permission="*"/>
+</verbatim>
+ACL indicates the Access control list for this cluster.
+owner is the Owner of this entity.
+group is the one which has access to read.
+permission indicates the permission.
+