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From jbel...@apache.org
Subject [2/3] git commit: r/m PBS test since it keeps heisenfailing (PBS is already gone for 2.0; see #5455)
Date Thu, 01 Aug 2013 00:22:46 GMT
r/m PBS test since it keeps heisenfailing (PBS is already gone for 2.0; see #5455)


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/5c289588
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/5c289588
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/5c289588

Branch: refs/heads/trunk
Commit: 5c2895881b8f4ff080f1f7236f5d759f0323ea91
Parents: a7202ef
Author: Jonathan Ellis <jbellis@apache.org>
Authored: Wed Jul 31 19:22:29 2013 -0500
Committer: Jonathan Ellis <jbellis@apache.org>
Committed: Wed Jul 31 19:22:29 2013 -0500

----------------------------------------------------------------------
 .../cassandra/service/PBSPredictorTest.java     | 114 -------------------
 1 file changed, 114 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/5c289588/test/unit/org/apache/cassandra/service/PBSPredictorTest.java
----------------------------------------------------------------------
diff --git a/test/unit/org/apache/cassandra/service/PBSPredictorTest.java b/test/unit/org/apache/cassandra/service/PBSPredictorTest.java
deleted file mode 100644
index 92e863d..0000000
--- a/test/unit/org/apache/cassandra/service/PBSPredictorTest.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * 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.
- */
-package org.apache.cassandra.service;
-
-import org.junit.Test;
-import static org.junit.Assert.*;
-
-public class PBSPredictorTest
-{
-    private static PBSPredictor predictor = PBSPredictor.instance();
-
-    private void createWriteResponse(long W, long A, String id)
-    {
-        predictor.startWriteOperation(id, 0);
-        predictor.logWriteResponse(id, W, W+A);
-    }
-
-    private void createReadResponse(long R, long S, String id)
-    {
-        predictor.startReadOperation(id, 0);
-        predictor.logReadResponse(id, R, R+S);
-    }
-
-    @Test
-    public void testDoPrediction()
-    {
-        try {
-            predictor.enableConsistencyPredictionLogging();
-            predictor.init();
-
-            /*
-                Ensure accuracy given a set of basic latencies
-                Predictions here match a prior Python implementation
-             */
-
-            for (int i = 0; i < 10; ++i)
-            {
-                createWriteResponse(10, 0, String.format("W%d", i));
-                createReadResponse(0, 0, String.format("R%d", i));
-            }
-
-            for (int i = 0; i < 10; ++i)
-            {
-                createWriteResponse(0, 0, String.format("WS%d", i));
-            }
-
-            // 10ms after write
-            PBSPredictionResult result = predictor.doPrediction(2,1,1,10.0f,1, 0.99f);
-
-            assertEquals(1, result.getConsistencyProbability(), 0);
-            assertEquals(2.5, result.getAverageWriteLatency(), .5);
-
-            // 0ms after write
-            result = predictor.doPrediction(2,1,1,0f,1, 0.99f);
-
-            assertEquals(.75, result.getConsistencyProbability(), 0.05);
-
-            // k=5 versions staleness
-            result = predictor.doPrediction(2,1,1,5.0f,5, 0.99f);
-            assertEquals(.98, result.getConsistencyProbability(), 0.05);
-            assertEquals(2.5, result.getAverageWriteLatency(), .5);
-
-            for (int i = 0; i < 10; ++i)
-            {
-                createWriteResponse(20, 0, String.format("WL%d", i));
-            }
-
-            // 5ms after write
-            result = predictor.doPrediction(2,1,1,5.0f,1, 0.99f);
-
-            assertEquals(.67, result.getConsistencyProbability(), .05);
-
-            // N = 5
-            result = predictor.doPrediction(5,1,1,5.0f,1, 0.99f);
-
-            assertEquals(.42, result.getConsistencyProbability(), .05);
-            assertEquals(1.33, result.getAverageWriteLatency(), .5);
-
-            for (int i = 0; i < 10; ++i)
-            {
-                createWriteResponse(100, 100, String.format("WVL%d", i));
-                createReadResponse(100, 100, String.format("RL%d", i));
-            }
-
-            result = predictor.doPrediction(2,1,1,0f,1, 0.99f);
-
-            assertEquals(.860, result.getConsistencyProbability(), .05);
-            assertEquals(26.5, result.getAverageWriteLatency(), 1);
-            assertEquals(100.33, result.getAverageReadLatency(), 4);
-
-            result = predictor.doPrediction(2,2,1,0f,1, 0.99f);
-
-            assertEquals(1, result.getConsistencyProbability(), 0);
-        } catch (Exception e) {
-            fail(e.getMessage());
-        }
-    }
-}


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