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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.regionserver;
19  
20  import org.apache.hadoop.hbase.CompatibilityFactory;
21  import org.apache.hadoop.hbase.testclassification.SmallTests;
22  import org.apache.hadoop.hbase.test.MetricsAssertHelper;
23  import org.junit.Before;
24  import org.junit.BeforeClass;
25  import org.junit.Test;
26  import org.junit.experimental.categories.Category;
27  
28  import static org.junit.Assert.assertNotNull;
29  
30  /**
31   * Unit test version of rs metrics tests.
32   */
33  @Category(SmallTests.class)
34  public class TestMetricsRegionServer {
35    public static MetricsAssertHelper HELPER =
36        CompatibilityFactory.getInstance(MetricsAssertHelper.class);
37  
38    private MetricsRegionServerWrapperStub wrapper;
39    private MetricsRegionServer rsm;
40    private MetricsRegionServerSource serverSource;
41  
42    @BeforeClass
43    public static void classSetUp() {
44      HELPER.init();
45    }
46  
47    @Before
48    public void setUp() {
49      wrapper = new MetricsRegionServerWrapperStub();
50      rsm = new MetricsRegionServer(wrapper);
51      serverSource = rsm.getMetricsSource();
52    }
53  
54    @Test
55    public void testWrapperSource() {
56      HELPER.assertTag("serverName", "test", serverSource);
57      HELPER.assertTag("clusterId", "tClusterId", serverSource);
58      HELPER.assertTag("zookeeperQuorum", "zk", serverSource);
59      HELPER.assertGauge("regionServerStartTime", 100, serverSource);
60      HELPER.assertGauge("regionCount", 101, serverSource);
61      HELPER.assertGauge("storeCount", 2, serverSource);
62      HELPER.assertGauge("maxStoreFileAge", 2, serverSource);
63      HELPER.assertGauge("minStoreFileAge", 2, serverSource);
64      HELPER.assertGauge("avgStoreFileAge", 2, serverSource);
65      HELPER.assertGauge("numReferenceFiles", 2, serverSource);
66      HELPER.assertGauge("hlogFileCount", 10, serverSource);
67      HELPER.assertGauge("hlogFileSize", 1024000, serverSource);
68      HELPER.assertGauge("storeFileCount", 300, serverSource);
69      HELPER.assertGauge("memstoreSize", 1025, serverSource);
70      HELPER.assertGauge("storeFileSize", 1900, serverSource);
71      HELPER.assertCounter("totalRequestCount", 899, serverSource);
72      HELPER.assertCounter("readRequestCount", 997, serverSource);
73      HELPER.assertCounter("writeRequestCount", 707, serverSource);
74      HELPER.assertCounter("checkMutateFailedCount", 401, serverSource);
75      HELPER.assertCounter("checkMutatePassedCount", 405, serverSource);
76      HELPER.assertGauge("storeFileIndexSize", 406, serverSource);
77      HELPER.assertGauge("staticIndexSize", 407, serverSource);
78      HELPER.assertGauge("staticBloomSize", 408, serverSource);
79      HELPER.assertGauge("mutationsWithoutWALCount", 409, serverSource);
80      HELPER.assertGauge("mutationsWithoutWALSize", 410, serverSource);
81      HELPER.assertGauge("percentFilesLocal", 99, serverSource);
82      HELPER.assertGauge("percentFilesLocalSecondaryRegions", 99, serverSource);
83      HELPER.assertGauge("compactionQueueLength", 411, serverSource);
84      HELPER.assertGauge("flushQueueLength", 412, serverSource);
85      HELPER.assertGauge("blockCacheFreeSize", 413, serverSource);
86      HELPER.assertGauge("blockCacheCount", 414, serverSource);
87      HELPER.assertGauge("blockCacheSize", 415, serverSource);
88      HELPER.assertCounter("blockCacheHitCount", 416, serverSource);
89      HELPER.assertCounter("blockCacheMissCount", 417, serverSource);
90      HELPER.assertCounter("blockCacheEvictionCount", 418, serverSource);
91      HELPER.assertGauge("blockCacheCountHitPercent", 98, serverSource);
92      HELPER.assertGauge("blockCacheExpressHitPercent", 97, serverSource);
93      HELPER.assertCounter("blockCacheFailedInsertionCount", 36, serverSource);
94      HELPER.assertCounter("updatesBlockedTime", 419, serverSource);
95    }
96  
97    @Test
98    public void testConstuctor() {
99      assertNotNull("There should be a hadoop1/hadoop2 metrics source", rsm.getMetricsSource() );
100     assertNotNull("The RegionServerMetricsWrapper should be accessable", rsm.getRegionServerWrapper());
101   }
102 
103   @Test
104   public void testSlowCount() {
105     for (int i=0; i < 12; i ++) {
106       rsm.updateAppend(12);
107       rsm.updateAppend(1002);
108     }
109     for (int i=0; i < 13; i ++) {
110       rsm.updateDelete(13);
111       rsm.updateDelete(1003);
112     }
113     for (int i=0; i < 14; i ++) {
114       rsm.updateGet(14);
115       rsm.updateGet(1004);
116     }
117     for (int i=0; i < 15; i ++) {
118       rsm.updateIncrement(15);
119       rsm.updateIncrement(1005);
120     }
121     for (int i=0; i < 16; i ++) {
122       rsm.updatePut(16);
123       rsm.updatePut(1006);
124     }
125 
126     HELPER.assertCounter("appendNumOps", 24, serverSource);
127     HELPER.assertCounter("deleteNumOps", 26, serverSource);
128     HELPER.assertCounter("getNumOps", 28, serverSource);
129     HELPER.assertCounter("incrementNumOps", 30, serverSource);
130     HELPER.assertCounter("mutateNumOps", 32, serverSource);
131 
132 
133     HELPER.assertCounter("slowAppendCount", 12, serverSource);
134     HELPER.assertCounter("slowDeleteCount", 13, serverSource);
135     HELPER.assertCounter("slowGetCount", 14, serverSource);
136     HELPER.assertCounter("slowIncrementCount", 15, serverSource);
137     HELPER.assertCounter("slowPutCount", 16, serverSource);
138   }
139 
140   String FLUSH_TIME = "flushTime";
141   String FLUSH_TIME_DESC = "Histogram for the time in millis for memstore flush";
142   String FLUSH_MEMSTORE_SIZE = "flushMemstoreSize";
143   String FLUSH_MEMSTORE_SIZE_DESC = "Histogram for number of bytes in the memstore for a flush";
144   String FLUSH_FILE_SIZE = "flushFileSize";
145   String FLUSH_FILE_SIZE_DESC = "Histogram for number of bytes in the resulting file for a flush";
146   String FLUSHED_OUTPUT_BYTES = "flushedOutputBytes";
147   String FLUSHED_OUTPUT_BYTES_DESC = "Total number of bytes written from flush";
148   String FLUSHED_MEMSTORE_BYTES = "flushedMemstoreBytes";
149   String FLUSHED_MEMSTORE_BYTES_DESC = "Total number of bytes of cells in memstore from flush";
150 
151   @Test
152   public void testFlush() {
153     rsm.updateFlush(1, 2, 3);
154     HELPER.assertCounter("flushTime_num_ops", 1, serverSource);
155     HELPER.assertCounter("flushMemstoreSize_num_ops", 1, serverSource);
156     HELPER.assertCounter("flushOutputSize_num_ops", 1, serverSource);
157     HELPER.assertCounter("flushedMemstoreBytes", 2, serverSource);
158     HELPER.assertCounter("flushedOutputBytes", 3, serverSource);
159 
160     rsm.updateFlush(10, 20, 30);
161     HELPER.assertCounter("flushTimeNumOps", 2, serverSource);
162     HELPER.assertCounter("flushMemstoreSize_num_ops", 2, serverSource);
163     HELPER.assertCounter("flushOutputSize_num_ops", 2, serverSource);
164     HELPER.assertCounter("flushedMemstoreBytes", 22, serverSource);
165     HELPER.assertCounter("flushedOutputBytes", 33, serverSource);
166   }
167 
168   @Test
169   public void testCompaction() {
170     rsm.updateCompaction(false, 1, 2, 3, 4, 5);
171     HELPER.assertCounter("compactionTime_num_ops", 1, serverSource);
172     HELPER.assertCounter("compactionInputFileCount_num_ops", 1, serverSource);
173     HELPER.assertCounter("compactionInputSize_num_ops", 1, serverSource);
174     HELPER.assertCounter("compactionOutputFileCount_num_ops", 1, serverSource);
175     HELPER.assertCounter("compactedInputBytes", 4, serverSource);
176     HELPER.assertCounter("compactedoutputBytes", 5, serverSource);
177 
178     rsm.updateCompaction(false, 10, 20, 30, 40, 50);
179     HELPER.assertCounter("compactionTime_num_ops", 2, serverSource);
180     HELPER.assertCounter("compactionInputFileCount_num_ops", 2, serverSource);
181     HELPER.assertCounter("compactionInputSize_num_ops", 2, serverSource);
182     HELPER.assertCounter("compactionOutputFileCount_num_ops", 2, serverSource);
183     HELPER.assertCounter("compactedInputBytes", 44, serverSource);
184     HELPER.assertCounter("compactedoutputBytes", 55, serverSource);
185 
186     // do major compaction
187     rsm.updateCompaction(true, 100, 200, 300, 400, 500);
188 
189     HELPER.assertCounter("compactionTime_num_ops", 3, serverSource);
190     HELPER.assertCounter("compactionInputFileCount_num_ops", 3, serverSource);
191     HELPER.assertCounter("compactionInputSize_num_ops", 3, serverSource);
192     HELPER.assertCounter("compactionOutputFileCount_num_ops", 3, serverSource);
193     HELPER.assertCounter("compactedInputBytes", 444, serverSource);
194     HELPER.assertCounter("compactedoutputBytes", 555, serverSource);
195 
196     HELPER.assertCounter("majorCompactionTime_num_ops", 1, serverSource);
197     HELPER.assertCounter("majorCompactionInputFileCount_num_ops", 1, serverSource);
198     HELPER.assertCounter("majorCompactionInputSize_num_ops", 1, serverSource);
199     HELPER.assertCounter("majorCompactionOutputFileCount_num_ops", 1, serverSource);
200     HELPER.assertCounter("majorCompactedInputBytes", 400, serverSource);
201     HELPER.assertCounter("majorCompactedoutputBytes", 500, serverSource);
202   }
203 }
204