View Javadoc

1   /**
2    * Copyright The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package org.apache.hadoop.hbase;
22  
23  import static org.junit.Assert.*;
24  
25  import org.apache.hadoop.hbase.protobuf.generated.ClusterStatusProtos;
26  import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos;
27  import org.apache.hadoop.hbase.testclassification.MiscTests;
28  import org.apache.hadoop.hbase.testclassification.SmallTests;
29  import org.junit.Test;
30  import org.junit.experimental.categories.Category;
31  
32  import com.google.protobuf.ByteString;
33  
34  @Category({MiscTests.class, SmallTests.class})
35  public class TestServerLoad {
36  
37    @Test
38    public void testRegionLoadAggregation() {
39      ServerLoad sl = new ServerLoad(createServerLoadProto());
40      assertEquals(13, sl.getStores());
41      assertEquals(114, sl.getStorefiles());
42      assertEquals(129, sl.getStoreUncompressedSizeMB());
43      assertEquals(504, sl.getRootIndexSizeKB());
44      assertEquals(820, sl.getStorefileSizeInMB());
45      assertEquals(82, sl.getStorefileIndexSizeInMB());
46      assertEquals(((long)Integer.MAX_VALUE)*2, sl.getReadRequestsCount());
47      
48    }
49   
50    @Test
51    public void testToString() {
52      ServerLoad sl = new ServerLoad(createServerLoadProto());
53      String slToString = sl.toString();
54      assertTrue(slToString.contains("numberOfStores=13"));
55      assertTrue(slToString.contains("numberOfStorefiles=114"));
56      assertTrue(slToString.contains("storefileUncompressedSizeMB=129"));
57      assertTrue(slToString.contains("storefileSizeMB=820")); 
58      assertTrue(slToString.contains("rootIndexSizeKB=504"));
59      assertTrue(slToString.contains("coprocessors=[]"));
60    }
61  
62    @Test
63    public void testRegionLoadWrapAroundAggregation() {
64  	  ServerLoad sl = new ServerLoad(createServerLoadProto());
65  	  long totalCount = ((long)Integer.MAX_VALUE)*2;
66  	  assertEquals(totalCount, sl.getReadRequestsCount());
67  	  assertEquals(totalCount, sl.getWriteRequestsCount());
68    }
69    
70    private ClusterStatusProtos.ServerLoad createServerLoadProto() {
71      HBaseProtos.RegionSpecifier rSpecOne =
72          HBaseProtos.RegionSpecifier.newBuilder()
73              .setType(HBaseProtos.RegionSpecifier.RegionSpecifierType.ENCODED_REGION_NAME)
74              .setValue(ByteString.copyFromUtf8("ASDFGQWERT")).build();
75      HBaseProtos.RegionSpecifier rSpecTwo =
76          HBaseProtos.RegionSpecifier.newBuilder()
77              .setType(HBaseProtos.RegionSpecifier.RegionSpecifierType.ENCODED_REGION_NAME)
78              .setValue(ByteString.copyFromUtf8("QWERTYUIOP")).build();
79  
80      ClusterStatusProtos.RegionLoad rlOne =
81          ClusterStatusProtos.RegionLoad.newBuilder().setRegionSpecifier(rSpecOne).setStores(10)
82              .setStorefiles(101).setStoreUncompressedSizeMB(106).setStorefileSizeMB(520)
83              .setStorefileIndexSizeMB(42).setRootIndexSizeKB(201).setReadRequestsCount(Integer.MAX_VALUE).setWriteRequestsCount(Integer.MAX_VALUE).build();
84      ClusterStatusProtos.RegionLoad rlTwo =
85          ClusterStatusProtos.RegionLoad.newBuilder().setRegionSpecifier(rSpecTwo).setStores(3)
86              .setStorefiles(13).setStoreUncompressedSizeMB(23).setStorefileSizeMB(300)
87              .setStorefileIndexSizeMB(40).setRootIndexSizeKB(303).setReadRequestsCount(Integer.MAX_VALUE).setWriteRequestsCount(Integer.MAX_VALUE).build();
88  
89      ClusterStatusProtos.ServerLoad sl =
90          ClusterStatusProtos.ServerLoad.newBuilder().addRegionLoads(rlOne).
91            addRegionLoads(rlTwo).build();
92      return sl;
93    }
94  
95  }