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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.conf.Configuration;
21  import org.apache.hadoop.hbase.CompatibilityFactory;
22  import org.apache.hadoop.hbase.testclassification.SmallTests;
23  import org.apache.hadoop.hbase.test.MetricsAssertHelper;
24  import org.apache.hadoop.hbase.util.JvmPauseMonitor;
25  import org.junit.Before;
26  import org.junit.BeforeClass;
27  import org.junit.Test;
28  import org.junit.experimental.categories.Category;
29  
30  import static org.junit.Assert.assertNotNull;
31  
32  /**
33   * Unit test version of rs metrics tests.
34   */
35  @Category(SmallTests.class)
36  public class TestMetricsRegionServer {
37    public static MetricsAssertHelper HELPER =
38        CompatibilityFactory.getInstance(MetricsAssertHelper.class);
39  
40    private MetricsRegionServerWrapperStub wrapper;
41    private MetricsRegionServer rsm;
42    private MetricsRegionServerSource serverSource;
43  
44    @BeforeClass
45    public static void classSetUp() {
46      HELPER.init();
47    }
48  
49    @Before
50    public void setUp() {
51      wrapper = new MetricsRegionServerWrapperStub();
52      rsm = new MetricsRegionServer(wrapper, new Configuration(false));
53      serverSource = rsm.getMetricsSource();
54    }
55  
56    @Test
57    public void testWrapperSource() {
58      HELPER.assertTag("serverName", "test", serverSource);
59      HELPER.assertTag("clusterId", "tClusterId", serverSource);
60      HELPER.assertTag("zookeeperQuorum", "zk", serverSource);
61      HELPER.assertGauge("regionServerStartTime", 100, serverSource);
62      HELPER.assertGauge("regionCount", 101, serverSource);
63      HELPER.assertGauge("storeCount", 2, serverSource);
64      HELPER.assertGauge("maxStoreFileAge", 2, serverSource);
65      HELPER.assertGauge("minStoreFileAge", 2, serverSource);
66      HELPER.assertGauge("avgStoreFileAge", 2, serverSource);
67      HELPER.assertGauge("numReferenceFiles", 2, serverSource);
68      HELPER.assertGauge("hlogFileCount", 10, serverSource);
69      HELPER.assertGauge("hlogFileSize", 1024000, serverSource);
70      HELPER.assertGauge("storeFileCount", 300, serverSource);
71      HELPER.assertGauge("memstoreSize", 1025, serverSource);
72      HELPER.assertGauge("storeFileSize", 1900, serverSource);
73      HELPER.assertCounter("totalRequestCount", 899, serverSource);
74      HELPER.assertCounter("totalRowActionRequestCount",
75        HELPER.getCounter("readRequestCount", serverSource)
76            + HELPER.getCounter("writeRequestCount", serverSource),
77        serverSource);
78      HELPER.assertCounter("readRequestCount", 997, serverSource);
79      HELPER.assertCounter("writeRequestCount", 707, serverSource);
80      HELPER.assertCounter("checkMutateFailedCount", 401, serverSource);
81      HELPER.assertCounter("checkMutatePassedCount", 405, serverSource);
82      HELPER.assertGauge("storeFileIndexSize", 406, serverSource);
83      HELPER.assertGauge("staticIndexSize", 407, serverSource);
84      HELPER.assertGauge("staticBloomSize", 408, serverSource);
85      HELPER.assertGauge("mutationsWithoutWALCount", 409, serverSource);
86      HELPER.assertGauge("mutationsWithoutWALSize", 410, serverSource);
87      HELPER.assertGauge("percentFilesLocal", 99, serverSource);
88      HELPER.assertGauge("percentFilesLocalSecondaryRegions", 99, serverSource);
89      HELPER.assertGauge("compactionQueueLength", 411, serverSource);
90      HELPER.assertGauge("flushQueueLength", 412, serverSource);
91      HELPER.assertGauge("blockCacheFreeSize", 413, serverSource);
92      HELPER.assertGauge("blockCacheCount", 414, serverSource);
93      HELPER.assertGauge("blockCacheSize", 415, serverSource);
94      HELPER.assertCounter("blockCacheHitCount", 416, serverSource);
95      HELPER.assertCounter("blockCacheMissCount", 417, serverSource);
96      HELPER.assertCounter("blockCacheEvictionCount", 418, serverSource);
97      HELPER.assertGauge("blockCacheCountHitPercent", 98, serverSource);
98      HELPER.assertGauge("blockCacheExpressHitPercent", 97, serverSource);
99      HELPER.assertCounter("blockCacheFailedInsertionCount", 36, serverSource);
100     HELPER.assertGauge("l1CacheHitCount", 200, serverSource);
101     HELPER.assertGauge("l1CacheMissCount", 100, serverSource);
102     HELPER.assertGauge("l1CacheHitRatio", 80, serverSource);
103     HELPER.assertGauge("l1CacheMissRatio", 20, serverSource);
104     HELPER.assertGauge("l2CacheHitCount", 800, serverSource);
105     HELPER.assertGauge("l2CacheMissCount", 200, serverSource);
106     HELPER.assertGauge("l2CacheHitRatio", 90, serverSource);
107     HELPER.assertGauge("l2CacheMissRatio", 10, serverSource);
108     HELPER.assertCounter("updatesBlockedTime", 419, serverSource);
109   }
110 
111   @Test
112   public void testConstuctor() {
113     assertNotNull("There should be a hadoop1/hadoop2 metrics source", rsm.getMetricsSource() );
114     assertNotNull("The RegionServerMetricsWrapper should be accessable", rsm.getRegionServerWrapper());
115   }
116 
117   @Test
118   public void testSlowCount() {
119     for (int i=0; i < 12; i ++) {
120       rsm.updateAppend(null, 12);
121       rsm.updateAppend(null, 1002);
122     }
123     for (int i=0; i < 13; i ++) {
124       rsm.updateDeleteBatch(null, 13);
125       rsm.updateDeleteBatch(null, 1003);
126     }
127     for (int i=0; i < 14; i ++) {
128       rsm.updateGet(null, 14);
129       rsm.updateGet(null, 1004);
130     }
131     for (int i=0; i < 15; i ++) {
132       rsm.updateIncrement(null, 15);
133       rsm.updateIncrement(null, 1005);
134     }
135     for (int i=0; i < 16; i ++) {
136       rsm.updatePutBatch(null, 16);
137       rsm.updatePutBatch(null, 1006);
138     }
139 
140     for (int i=0; i < 17; i ++) {
141       rsm.updatePut(null, 17);
142       rsm.updateDelete(null, 17);
143       rsm.updateCheckAndDelete(17);
144       rsm.updateCheckAndPut(17);
145     }
146 
147     HELPER.assertCounter("appendNumOps", 24, serverSource);
148     HELPER.assertCounter("deleteBatchNumOps", 26, serverSource);
149     HELPER.assertCounter("getNumOps", 28, serverSource);
150     HELPER.assertCounter("incrementNumOps", 30, serverSource);
151     HELPER.assertCounter("putBatchNumOps", 32, serverSource);
152     HELPER.assertCounter("putNumOps", 17, serverSource);
153     HELPER.assertCounter("deleteNumOps", 17, serverSource);
154     HELPER.assertCounter("checkAndDeleteNumOps", 17, serverSource);
155     HELPER.assertCounter("checkAndPutNumOps", 17, serverSource);
156 
157 
158     HELPER.assertCounter("slowAppendCount", 12, serverSource);
159     HELPER.assertCounter("slowDeleteCount", 13, serverSource);
160     HELPER.assertCounter("slowGetCount", 14, serverSource);
161     HELPER.assertCounter("slowIncrementCount", 15, serverSource);
162     HELPER.assertCounter("slowPutCount", 16, serverSource);
163   }
164 
165   String FLUSH_TIME = "flushTime";
166   String FLUSH_TIME_DESC = "Histogram for the time in millis for memstore flush";
167   String FLUSH_MEMSTORE_SIZE = "flushMemstoreSize";
168   String FLUSH_MEMSTORE_SIZE_DESC = "Histogram for number of bytes in the memstore for a flush";
169   String FLUSH_FILE_SIZE = "flushFileSize";
170   String FLUSH_FILE_SIZE_DESC = "Histogram for number of bytes in the resulting file for a flush";
171   String FLUSHED_OUTPUT_BYTES = "flushedOutputBytes";
172   String FLUSHED_OUTPUT_BYTES_DESC = "Total number of bytes written from flush";
173   String FLUSHED_MEMSTORE_BYTES = "flushedMemstoreBytes";
174   String FLUSHED_MEMSTORE_BYTES_DESC = "Total number of bytes of cells in memstore from flush";
175 
176   @Test
177   public void testFlush() {
178     rsm.updateFlush(1, 2, 3);
179     HELPER.assertCounter("flushTime_num_ops", 1, serverSource);
180     HELPER.assertCounter("flushMemstoreSize_num_ops", 1, serverSource);
181     HELPER.assertCounter("flushOutputSize_num_ops", 1, serverSource);
182     HELPER.assertCounter("flushedMemstoreBytes", 2, serverSource);
183     HELPER.assertCounter("flushedOutputBytes", 3, serverSource);
184 
185     rsm.updateFlush(10, 20, 30);
186     HELPER.assertCounter("flushTimeNumOps", 2, serverSource);
187     HELPER.assertCounter("flushMemstoreSize_num_ops", 2, serverSource);
188     HELPER.assertCounter("flushOutputSize_num_ops", 2, serverSource);
189     HELPER.assertCounter("flushedMemstoreBytes", 22, serverSource);
190     HELPER.assertCounter("flushedOutputBytes", 33, serverSource);
191   }
192 
193   @Test
194   public void testCompaction() {
195     rsm.updateCompaction(false, 1, 2, 3, 4, 5);
196     HELPER.assertCounter("compactionTime_num_ops", 1, serverSource);
197     HELPER.assertCounter("compactionInputFileCount_num_ops", 1, serverSource);
198     HELPER.assertCounter("compactionInputSize_num_ops", 1, serverSource);
199     HELPER.assertCounter("compactionOutputFileCount_num_ops", 1, serverSource);
200     HELPER.assertCounter("compactedInputBytes", 4, serverSource);
201     HELPER.assertCounter("compactedoutputBytes", 5, serverSource);
202 
203     rsm.updateCompaction(false, 10, 20, 30, 40, 50);
204     HELPER.assertCounter("compactionTime_num_ops", 2, serverSource);
205     HELPER.assertCounter("compactionInputFileCount_num_ops", 2, serverSource);
206     HELPER.assertCounter("compactionInputSize_num_ops", 2, serverSource);
207     HELPER.assertCounter("compactionOutputFileCount_num_ops", 2, serverSource);
208     HELPER.assertCounter("compactedInputBytes", 44, serverSource);
209     HELPER.assertCounter("compactedoutputBytes", 55, serverSource);
210 
211     // do major compaction
212     rsm.updateCompaction(true, 100, 200, 300, 400, 500);
213 
214     HELPER.assertCounter("compactionTime_num_ops", 3, serverSource);
215     HELPER.assertCounter("compactionInputFileCount_num_ops", 3, serverSource);
216     HELPER.assertCounter("compactionInputSize_num_ops", 3, serverSource);
217     HELPER.assertCounter("compactionOutputFileCount_num_ops", 3, serverSource);
218     HELPER.assertCounter("compactedInputBytes", 444, serverSource);
219     HELPER.assertCounter("compactedoutputBytes", 555, serverSource);
220 
221     HELPER.assertCounter("majorCompactionTime_num_ops", 1, serverSource);
222     HELPER.assertCounter("majorCompactionInputFileCount_num_ops", 1, serverSource);
223     HELPER.assertCounter("majorCompactionInputSize_num_ops", 1, serverSource);
224     HELPER.assertCounter("majorCompactionOutputFileCount_num_ops", 1, serverSource);
225     HELPER.assertCounter("majorCompactedInputBytes", 400, serverSource);
226     HELPER.assertCounter("majorCompactedoutputBytes", 500, serverSource);
227   }
228 
229   @Test
230   public void testPauseMonitor() {
231     Configuration conf = new Configuration();
232     conf.setLong(JvmPauseMonitor.INFO_THRESHOLD_KEY, 1000L);
233     conf.setLong(JvmPauseMonitor.WARN_THRESHOLD_KEY, 10000L);
234     JvmPauseMonitor monitor = new JvmPauseMonitor(conf, serverSource);
235     monitor.updateMetrics(1500, false);
236     HELPER.assertCounter("pauseInfoThresholdExceeded", 1, serverSource);
237     HELPER.assertCounter("pauseWarnThresholdExceeded", 0, serverSource);
238     HELPER.assertCounter("pauseTimeWithoutGc_num_ops", 1, serverSource);
239     HELPER.assertCounter("pauseTimeWithGc_num_ops", 0, serverSource);
240     monitor.updateMetrics(15000, true);
241     HELPER.assertCounter("pauseInfoThresholdExceeded", 1, serverSource);
242     HELPER.assertCounter("pauseWarnThresholdExceeded", 1, serverSource);
243     HELPER.assertCounter("pauseTimeWithoutGc_num_ops", 1, serverSource);
244     HELPER.assertCounter("pauseTimeWithGc_num_ops", 1, serverSource);
245   }
246 
247 }
248