MAPREDUCE-4149. [Rumen] Rumen fails to parse certain counter strings. (ravigummadi)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1327461 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/CHANGES.txt

@@ -52,6 +52,9 @@ Trunk (unreleased changes)
 
   BUG FIXES
 
+    MAPREDUCE-4149. [Rumen] Rumen fails to parse certain counter
+                    strings. (ravigummadi)
+
     MAPREDUCE-4083. [Gridmix] NPE in cpu emulation. (amarrk)
 
     MAPREDUCE-4087. [Gridmix] GenerateDistCacheData job of Gridmix can

hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/HistoryEventEmitter.java

@@ -80,6 +80,8 @@ abstract class HistoryEventEmitter {
     }
 
     counters = counters.replace("\\.", "\\\\.");
+    counters = counters.replace("\\\\{", "\\{");
+    counters = counters.replace("\\\\}", "\\}");
     counters = counters.replace("\\\\(", "\\(");
     counters = counters.replace("\\\\)", "\\)");
     counters = counters.replace("\\\\[", "\\[");