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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.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("hlogFileCount", 10, serverSource);
63      HELPER.assertGauge("hlogFileSize", 1024000, serverSource);
64      HELPER.assertGauge("storeFileCount", 300, serverSource);
65      HELPER.assertGauge("memstoreSize", 1025, serverSource);
66      HELPER.assertGauge("storeFileSize", 1900, serverSource);
67      HELPER.assertCounter("totalRequestCount", 899, serverSource);
68      HELPER.assertCounter("readRequestCount", 997, serverSource);
69      HELPER.assertCounter("writeRequestCount", 707, serverSource);
70      HELPER.assertCounter("checkMutateFailedCount", 401, serverSource);
71      HELPER.assertCounter("checkMutatePassedCount", 405, serverSource);
72      HELPER.assertGauge("storeFileIndexSize", 406, serverSource);
73      HELPER.assertGauge("staticIndexSize", 407, serverSource);
74      HELPER.assertGauge("staticBloomSize", 408, serverSource);
75      HELPER.assertGauge("mutationsWithoutWALCount", 409, serverSource);
76      HELPER.assertGauge("mutationsWithoutWALSize", 410, serverSource);
77      HELPER.assertGauge("percentFilesLocal", 99, serverSource);
78      HELPER.assertGauge("compactionQueueLength", 411, serverSource);
79      HELPER.assertGauge("flushQueueLength", 412, serverSource);
80      HELPER.assertGauge("blockCacheFreeSize", 413, serverSource);
81      HELPER.assertGauge("blockCacheCount", 414, serverSource);
82      HELPER.assertGauge("blockCacheSize", 415, serverSource);
83      HELPER.assertCounter("blockCacheHitCount", 416, serverSource);
84      HELPER.assertCounter("blockCacheMissCount", 417, serverSource);
85      HELPER.assertCounter("blockCacheEvictionCount", 418, serverSource);
86      HELPER.assertGauge("blockCountHitPercent", 98, serverSource);
87      HELPER.assertGauge("blockCacheExpressHitPercent", 97, serverSource);
88      HELPER.assertCounter("updatesBlockedTime", 419, serverSource);
89    }
90  
91    @Test
92    public void testConstuctor() {
93      assertNotNull("There should be a hadoop1/hadoop2 metrics source", rsm.getMetricsSource() );
94      assertNotNull("The RegionServerMetricsWrapper should be accessable", rsm.getRegionServerWrapper());
95    }
96  
97    @Test
98    public void testSlowCount() {
99      for (int i=0; i < 12; i ++) {
100       rsm.updateAppend(12);
101       rsm.updateAppend(1002);
102     }
103     for (int i=0; i < 13; i ++) {
104       rsm.updateDelete(13);
105       rsm.updateDelete(1003);
106     }
107     for (int i=0; i < 14; i ++) {
108       rsm.updateGet(14);
109       rsm.updateGet(1004);
110     }
111     for (int i=0; i < 15; i ++) {
112       rsm.updateIncrement(15);
113       rsm.updateIncrement(1005);
114     }
115     for (int i=0; i < 16; i ++) {
116       rsm.updatePut(16);
117       rsm.updatePut(1006);
118     }
119 
120     HELPER.assertCounter("appendNumOps", 24, serverSource);
121     HELPER.assertCounter("deleteNumOps", 26, serverSource);
122     HELPER.assertCounter("getNumOps", 28, serverSource);
123     HELPER.assertCounter("incrementNumOps", 30, serverSource);
124     HELPER.assertCounter("mutateNumOps", 32, serverSource);
125 
126 
127     HELPER.assertCounter("slowAppendCount", 12, serverSource);
128     HELPER.assertCounter("slowDeleteCount", 13, serverSource);
129     HELPER.assertCounter("slowGetCount", 14, serverSource);
130     HELPER.assertCounter("slowIncrementCount", 15, serverSource);
131     HELPER.assertCounter("slowPutCount", 16, serverSource);
132   }
133 }
134