001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.assertTrue;
022
023import org.apache.hadoop.hbase.testclassification.MiscTests;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.junit.jupiter.api.Tag;
026import org.junit.jupiter.api.Test;
027
028import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;
029
030import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;
031import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
032
033@Tag(MiscTests.TAG)
034@Tag(SmallTests.TAG)
035public class TestServerMetrics {
036
037  @Test
038  public void testRegionLoadAggregation() {
039    ServerMetrics metrics = ServerMetricsBuilder
040      .toServerMetrics(ServerName.valueOf("localhost,1,1"), createServerLoadProto());
041    assertEquals(13,
042      metrics.getRegionMetrics().values().stream().mapToInt(v -> v.getStoreCount()).sum());
043    assertEquals(114,
044      metrics.getRegionMetrics().values().stream().mapToInt(v -> v.getStoreFileCount()).sum());
045    assertEquals(129, metrics.getRegionMetrics().values().stream()
046      .mapToDouble(v -> v.getUncompressedStoreFileSize().get(Size.Unit.MEGABYTE)).sum(), 0);
047    assertEquals(504, metrics.getRegionMetrics().values().stream()
048      .mapToDouble(v -> v.getStoreFileRootLevelIndexSize().get(Size.Unit.KILOBYTE)).sum(), 0);
049    assertEquals(820, metrics.getRegionMetrics().values().stream()
050      .mapToDouble(v -> v.getStoreFileSize().get(Size.Unit.MEGABYTE)).sum(), 0);
051    assertEquals(82, metrics.getRegionMetrics().values().stream()
052      .mapToDouble(v -> v.getStoreFileIndexSize().get(Size.Unit.KILOBYTE)).sum(), 0);
053    assertEquals(((long) Integer.MAX_VALUE) * 2,
054      metrics.getRegionMetrics().values().stream().mapToLong(v -> v.getReadRequestCount()).sum());
055    assertEquals(100,
056      metrics.getRegionMetrics().values().stream().mapToLong(v -> v.getCpRequestCount()).sum());
057    assertEquals(300, metrics.getRegionMetrics().values().stream()
058      .mapToLong(v -> v.getFilteredReadRequestCount()).sum());
059    assertEquals(2, metrics.getRegionMetrics().values().stream()
060      .mapToLong(v -> (long) v.getCurrentRegionCachedRatio()).count());
061    assertEquals(150, metrics.getRegionMetrics().values().stream()
062      .mapToDouble(v -> v.getRegionSizeMB().get(Size.Unit.MEGABYTE)).sum(), 0);
063  }
064
065  @Test
066  public void testToString() {
067    ServerMetrics metrics = ServerMetricsBuilder
068      .toServerMetrics(ServerName.valueOf("localhost,1,1"), createServerLoadProto());
069    String slToString = metrics.toString();
070    assertTrue(slToString.contains("numberOfStores=13"));
071    assertTrue(slToString.contains("numberOfStorefiles=114"));
072    assertTrue(slToString.contains("storefileUncompressedSizeMB=129"));
073    assertTrue(slToString.contains("storefileSizeMB=820"));
074    assertTrue(slToString.contains("rootIndexSizeKB=504"));
075    assertTrue(slToString.contains("coprocessors=[]"));
076    assertTrue(slToString.contains("filteredReadRequestsCount=300"));
077  }
078
079  @Test
080  public void testRegionLoadWrapAroundAggregation() {
081    ServerMetrics metrics = ServerMetricsBuilder
082      .toServerMetrics(ServerName.valueOf("localhost,1,1"), createServerLoadProto());
083    long totalCount = ((long) Integer.MAX_VALUE) * 2;
084    assertEquals(totalCount,
085      metrics.getRegionMetrics().values().stream().mapToLong(v -> v.getReadRequestCount()).sum());
086    assertEquals(totalCount,
087      metrics.getRegionMetrics().values().stream().mapToLong(v -> v.getWriteRequestCount()).sum());
088  }
089
090  private ClusterStatusProtos.ServerLoad createServerLoadProto() {
091    HBaseProtos.RegionSpecifier rSpecOne = HBaseProtos.RegionSpecifier.newBuilder()
092      .setType(HBaseProtos.RegionSpecifier.RegionSpecifierType.ENCODED_REGION_NAME)
093      .setValue(ByteString.copyFromUtf8("ASDFGQWERT")).build();
094    HBaseProtos.RegionSpecifier rSpecTwo = HBaseProtos.RegionSpecifier.newBuilder()
095      .setType(HBaseProtos.RegionSpecifier.RegionSpecifierType.ENCODED_REGION_NAME)
096      .setValue(ByteString.copyFromUtf8("QWERTYUIOP")).build();
097
098    ClusterStatusProtos.RegionLoad rlOne =
099      ClusterStatusProtos.RegionLoad.newBuilder().setRegionSpecifier(rSpecOne).setStores(10)
100        .setStorefiles(101).setStoreUncompressedSizeMB(106).setStorefileSizeMB(520)
101        .setFilteredReadRequestsCount(100).setStorefileIndexSizeKB(42).setRootIndexSizeKB(201)
102        .setReadRequestsCount(Integer.MAX_VALUE).setWriteRequestsCount(Integer.MAX_VALUE)
103        .setRegionSizeMB(100).setCurrentRegionCachedRatio(0.9f).build();
104    ClusterStatusProtos.RegionLoad rlTwo =
105      ClusterStatusProtos.RegionLoad.newBuilder().setRegionSpecifier(rSpecTwo).setStores(3)
106        .setStorefiles(13).setStoreUncompressedSizeMB(23).setStorefileSizeMB(300)
107        .setFilteredReadRequestsCount(200).setStorefileIndexSizeKB(40).setRootIndexSizeKB(303)
108        .setReadRequestsCount(Integer.MAX_VALUE).setWriteRequestsCount(Integer.MAX_VALUE)
109        .setCpRequestsCount(100).setRegionSizeMB(50).setCurrentRegionCachedRatio(1.0f).build();
110
111    ClusterStatusProtos.ServerLoad sl = ClusterStatusProtos.ServerLoad.newBuilder()
112      .addRegionLoads(rlOne).addRegionLoads(rlTwo).build();
113    return sl;
114  }
115
116}