| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hbase.regionserver; |
| |
| import static org.junit.Assert.assertNotNull; |
| |
| import org.apache.hadoop.hbase.CompatibilitySingletonFactory; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.test.MetricsAssertHelper; |
| import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.junit.Before; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Unit test version of rs metrics tests. |
| */ |
| @Category({ RegionServerTests.class, SmallTests.class }) |
| public class TestMetricsHeapMemoryManager { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestMetricsHeapMemoryManager.class); |
| |
| public static MetricsAssertHelper HELPER = CompatibilitySingletonFactory |
| .getInstance(MetricsAssertHelper.class); |
| |
| private MetricsHeapMemoryManager hmm; |
| private MetricsHeapMemoryManagerSource source; |
| |
| @Before |
| public void setUp() { |
| hmm = new MetricsHeapMemoryManager(); |
| source = hmm.getMetricsSource(); |
| } |
| |
| @Test |
| public void testConstuctor() { |
| assertNotNull("There should be a hadoop1/hadoop2 metrics source", source); |
| } |
| |
| @Test |
| public void testCounter() { |
| for (int i = 0; i < 10; i++) { |
| hmm.increaseAboveHeapOccupancyLowWatermarkCounter(); |
| } |
| for (int i = 0; i < 11; i++) { |
| hmm.increaseTunerDoNothingCounter(); |
| } |
| |
| HELPER.assertCounter("aboveHeapOccupancyLowWaterMarkCounter", 10L, source); |
| HELPER.assertCounter("tunerDoNothingCounter", 11L, source); |
| } |
| |
| @Test |
| public void testGauge() { |
| hmm.updateBlockedFlushCount(200); |
| hmm.updateUnblockedFlushCount(50); |
| hmm.setCurMemStoreSizeGauge(256 * 1024 * 1024); |
| hmm.setCurBlockCacheSizeGauge(100 * 1024 * 1024); |
| |
| HELPER.assertGauge("blockedFlushGauge", 200, source); |
| HELPER.assertGauge("unblockedFlushGauge", 50, source); |
| HELPER.assertGauge("memStoreSize", 256 * 1024 * 1024, source); |
| HELPER.assertGauge("blockCacheSize", 100 * 1024 * 1024, source); |
| } |
| } |