[Bigdata-commit] SF.net SVN: bigdata:[7790] branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/ com/bigdata/bop/joinGraph/rto/JGraph.java

[<tho...@us...>]

Revision: 7790
          http://bigdata.svn.sourceforge.net/bigdata/?rev=7790&view=rev
Author:   thompsonbry
Date:     2014-01-14 12:55:11 +0000 (Tue, 14 Jan 2014)
Log Message:
-----------
More information on cardinality underflow case.

Modified Paths:
--------------
    branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java

Modified: branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java
===================================================================
--- branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java	2014-01-14 12:45:59 UTC (rev 7789)
+++ branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/bop/joinGraph/rto/JGraph.java	2014-01-14 12:55:11 UTC (rev 7790)
@@ -542,11 +542,27 @@
 
                 }
 
+                /*
+                 * Show information about the paths and the paths that are
+                 * experiencing cardinality underflow.
+                 */
+                
                 log.warn("Cardinality estimate underflow - resampling: round="
                         + round + ", npaths=" + paths.length + ", nunderflow="
                         + nunderflow + ", limit=" + limit + "\n"
                         + showTable(paths));
 
+                for(Path p : paths) {
+                    final EdgeSample edgeSample;
+                    synchronized(edgeSamples) {
+                        edgeSample = edgeSamples.get(p.getVertexIds());
+                    }
+                    if (edgeSample.isUnderflow()) {
+                        log.warn("Underflow on path::"
+                                + showPath(p, edgeSamples));
+                    }
+                }
+                
             }
             
             if (nunderflow > 0) {

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