Author: tzolov
Date: Sat Jan 10 01:43:44 2015
New Revision: 1650712
URL: http://svn.apache.org/r1650712
Log:
CMS commit to crunch by tzolov
Modified:
crunch/site/trunk/content/user-guide.mdtext
Modified: crunch/site/trunk/content/user-guide.mdtext
URL:
http://svn.apache.org/viewvc/crunch/site/trunk/content/user-guide.mdtext?rev=1650712&r1=1650711&r2=1650712&view=diff
==============================================================================
--- crunch/site/trunk/content/user-guide.mdtext (original)
+++ crunch/site/trunk/content/user-guide.mdtext Sat Jan 10 01:43:44 2015
@@ -1605,8 +1605,7 @@ a distributed data set using either the
### Pipeline execution plan visualizations
-Crunch provides tools to visualize the pipeline execution plans. The
[PipelineExecution](apidocs/0.10.0/org/apache/crunch/PipelineExecution.html)
-`String getPlanDotFile()` method returns an execution plan visualization in
DOT format. If the dot file output folder property is set, Crunch produces a
DOT file after each pipeline run.
+Crunch provides tools to visualize the pipeline execution plans. The
[PipelineExecution](apidocs/0.10.0/org/apache/crunch/PipelineExecution.html)
`String getPlanDotFile()` method returns an execution plan visualization in DOT
format. When the output folder property is set, Crunch produces a DOT file
after each pipeline run.
Additional aspects of the execution plans are provided when the DOT file debug
mode is enabled. Then Crunch provides 4 additional DOT diagrams visualizing
different internal stages of the execution plan. Such plans include PCollection
lineage, Base graph plan, Split graph plans, Run-time nodes.
Note: To enable the debug mode you should set an out put folder first. The
following snapped switches the DOT file debug mode. As a result 5 DOT diagrams
are generated in the output folder after each Pipeline execution:
