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.regionserver;
019
020import org.apache.hadoop.conf.Configuration;
021import org.apache.hadoop.hbase.CompatibilityFactory;
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.test.MetricsAssertHelper;
024import org.apache.hadoop.hbase.testclassification.RegionServerTests;
025import org.apache.hadoop.hbase.testclassification.SmallTests;
026import org.junit.ClassRule;
027import org.junit.Test;
028import org.junit.experimental.categories.Category;
029
030@Category({RegionServerTests.class, SmallTests.class})
031public class TestMetricsRegion {
032
033  @ClassRule
034  public static final HBaseClassTestRule CLASS_RULE =
035      HBaseClassTestRule.forClass(TestMetricsRegion.class);
036
037
038  public MetricsAssertHelper HELPER = CompatibilityFactory.getInstance(MetricsAssertHelper.class);
039
040  @Test
041  public void testRegionWrapperMetrics() {
042    MetricsRegion mr = new MetricsRegion(new MetricsRegionWrapperStub(), new Configuration());
043    MetricsRegionAggregateSource agg = mr.getSource().getAggregateSource();
044
045    HELPER.assertGauge(
046      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_storeCount",
047      101, agg);
048    HELPER.assertGauge(
049      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_storeFileCount",
050      102, agg);
051    HELPER.assertGauge(
052      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_maxStoreFileAge",
053      2, agg);
054    HELPER.assertGauge(
055      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_minStoreFileAge",
056      2, agg);
057    HELPER.assertGauge(
058      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_avgStoreFileAge",
059      2, agg);
060    HELPER.assertGauge(
061      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_numReferenceFiles",
062      2, agg);
063    HELPER.assertGauge(
064      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_memstoreSize",
065      103, agg);
066    HELPER.assertCounter(
067      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_" +
068        "filteredReadRequestCount",
069      107, agg);
070    HELPER.assertCounter(
071      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_replicaid",
072      0, agg);
073    mr.close();
074
075    // test region with replica id > 0
076    mr = new MetricsRegion(new MetricsRegionWrapperStub(1), new Configuration());
077    agg = mr.getSource().getAggregateSource();
078    HELPER.assertGauge(
079      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_storeCount",
080      101, agg);
081    HELPER.assertGauge(
082      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_storeFileCount",
083      102, agg);
084    HELPER.assertGauge(
085      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_memstoreSize",
086      103, agg);
087    HELPER.assertCounter(
088      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_" +
089        "filteredReadRequestCount",
090      107, agg);
091    HELPER.assertCounter(
092      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_replicaid",
093      1, agg);
094    HELPER.assertCounter(
095      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_compactionsQueuedCount",
096      4, agg);
097    HELPER.assertCounter(
098      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_flushesQueuedCount",
099      6, agg);
100    HELPER.assertCounter(
101      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_maxCompactionQueueSize",
102      4, agg);
103    HELPER.assertCounter(
104      "namespace_TestNS_table_MetricsRegionWrapperStub_region_DEADBEEF001_metric_maxFlushQueueSize",
105      6, agg);
106    mr.close();
107  }
108}