perform repair even for small entropy differences. patch by Stu Hood;…

… reviewed by jbellis for CASSANDRA-924

git-svn-id: https://svn.apache.org/repos/asf/cassandra/branches/cassandra-0.6@930961 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -7,6 +7,7 @@
  * fix race condition that could trigger a false-positive assertion
    during post-flush discard of old commitlog segments (CASSANDRA-936)
  * fix neighbor calculation for anti-entropy repair (CASSANDRA-924)
+ * perform repair even for small entropy differences (CASSANDRA-924)
 
 
 0.6.0-RC1

src/java/org/apache/cassandra/service/AntiEntropyService.java

@@ -589,11 +589,8 @@ public void run()
                     logger.debug("Endpoints " + local + " and " + remote + " are consistent for " + cf);
                     return;
                 }
-
-                if (difference < 0.05)
-                    performRangeRepair();
-                else
-                    performStreamingRepair();
+
+                performStreamingRepair();
             }
             catch(IOException e)
             {
@@ -613,17 +610,6 @@ float differenceFraction()
             return (float)fraction;
         }
 
-        /**
-         * Sends our list of differences to the remote endpoint using read
-         * repairs via the query API.
-         */
-        void performRangeRepair() throws IOException
-        {
-            logger.info("Performing range read repair of " + differences.size() + " ranges for " + cf);
-            // FIXME
-            logger.debug("Finished range read repair for " + cf);
-        }
-
         /**
          * Sends our list of differences to the remote endpoint using the
          * Streaming API.