hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServerAccounting.java

   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 static org.junit.Assert.assertEquals;
  21
  22 import org.apache.hadoop.conf.Configuration;
  23 import org.apache.hadoop.hbase.HBaseClassTestRule;
  24 import org.apache.hadoop.hbase.HBaseConfiguration;
  25 import org.apache.hadoop.hbase.io.util.MemorySizeUtil;
  26 import org.apache.hadoop.hbase.testclassification.SmallTests;
  27 import org.junit.Before;
  28 import org.junit.ClassRule;
  29 import org.junit.Test;
  30 import org.junit.experimental.categories.Category;
  31
  32 @Category(SmallTests.class)
  33 public class TestRegionServerAccounting {
  34
  35   @ClassRule
  36   public static final HBaseClassTestRule CLASS_RULE =
  37       HBaseClassTestRule.forClass(TestRegionServerAccounting.class);
  38
  39   private final static float DEFAULT_MEMSTORE_SIZE = 0.2f;
  40
  41   private static Configuration conf;
  42
  43   @Before
  44   public void setUpConf() {
  45     conf = HBaseConfiguration.create();
  46     conf.setFloat(MemorySizeUtil.MEMSTORE_SIZE_KEY, DEFAULT_MEMSTORE_SIZE);
  47   }
  48
  49   @Test
  50   public void testOnheapMemstoreHigherWaterMarkLimits() {
  51     RegionServerAccounting regionServerAccounting = new RegionServerAccounting(conf);
  52     long dataSize = regionServerAccounting.getGlobalMemStoreLimit();
  53     MemStoreSize memstoreSize = new MemStoreSize(dataSize, dataSize, 0, 0);
  54     regionServerAccounting.incGlobalMemStoreSize(memstoreSize);
  55     assertEquals(FlushType.ABOVE_ONHEAP_HIGHER_MARK, regionServerAccounting.isAboveHighWaterMark());
  56   }
  57
  58   @Test
  59   public void testOnheapMemstoreLowerWaterMarkLimits() {
  60     RegionServerAccounting regionServerAccounting = new RegionServerAccounting(conf);
  61     long dataSize = regionServerAccounting.getGlobalMemStoreLimit();
  62     MemStoreSize memstoreSize = new MemStoreSize(dataSize, dataSize, 0, 0);
  63     regionServerAccounting.incGlobalMemStoreSize(memstoreSize);
  64     assertEquals(FlushType.ABOVE_ONHEAP_LOWER_MARK, regionServerAccounting.isAboveLowWaterMark());
  65   }
  66
  67   @Test
  68   public void testOffheapMemstoreHigherWaterMarkLimitsDueToDataSize() {
  69     // setting 1G as offheap data size
  70     conf.setLong(MemorySizeUtil.OFFHEAP_MEMSTORE_SIZE_KEY, (1L * 1024L));
  71     // try for default cases
  72     RegionServerAccounting regionServerAccounting = new RegionServerAccounting(conf);
  73     // this will breach offheap limit as data size is higher and not due to heap size
  74     MemStoreSize memstoreSize =
  75         new MemStoreSize((3L * 1024L * 1024L * 1024L), 0, (1L * 1024L * 1024L * 1024L), 100);
  76     regionServerAccounting.incGlobalMemStoreSize(memstoreSize);
  77     assertEquals(FlushType.ABOVE_OFFHEAP_HIGHER_MARK,
  78       regionServerAccounting.isAboveHighWaterMark());
  79   }
  80
  81   @Test
  82   public void testOffheapMemstoreHigherWaterMarkLimitsDueToHeapSize() {
  83     // setting 1G as offheap data size
  84     conf.setLong(MemorySizeUtil.OFFHEAP_MEMSTORE_SIZE_KEY, (1L * 1024L));
  85     // try for default cases
  86     RegionServerAccounting regionServerAccounting = new RegionServerAccounting(conf);
  87     // this will breach higher limit as heap size is higher and not due to offheap size
  88     long dataSize = regionServerAccounting.getGlobalOnHeapMemStoreLimit();
  89     MemStoreSize memstoreSize = new MemStoreSize(dataSize, dataSize, 0, 100);
  90     regionServerAccounting.incGlobalMemStoreSize(memstoreSize);
  91     assertEquals(FlushType.ABOVE_ONHEAP_HIGHER_MARK, regionServerAccounting.isAboveHighWaterMark());
  92   }
  93
  94   @Test
  95   public void testOffheapMemstoreLowerWaterMarkLimitsDueToDataSize() {
  96     // setting 1G as offheap data size
  97     conf.setLong(MemorySizeUtil.OFFHEAP_MEMSTORE_SIZE_KEY, (1L * 1024L));
  98     // try for default cases
  99     RegionServerAccounting regionServerAccounting = new RegionServerAccounting(conf);
 100     // this will breach offheap limit as data size is higher and not due to heap size
 101     MemStoreSize memstoreSize =
 102         new MemStoreSize((3L * 1024L * 1024L * 1024L), 0, (1L * 1024L * 1024L * 1024L), 100);
 103     regionServerAccounting.incGlobalMemStoreSize(memstoreSize);
 104     assertEquals(FlushType.ABOVE_OFFHEAP_LOWER_MARK, regionServerAccounting.isAboveLowWaterMark());
 105   }
 106
 107   @Test
 108   public void testOffheapMemstoreLowerWaterMarkLimitsDueToHeapSize() {
 109     // setting 1G as offheap data size
 110     conf.setLong(MemorySizeUtil.OFFHEAP_MEMSTORE_SIZE_KEY, (1L * 1024L));
 111     // try for default cases
 112     RegionServerAccounting regionServerAccounting = new RegionServerAccounting(conf);
 113     // this will breach higher limit as heap size is higher and not due to offheap size
 114     long dataSize = regionServerAccounting.getGlobalOnHeapMemStoreLimit();
 115     MemStoreSize memstoreSize = new MemStoreSize(dataSize, dataSize, 0, 100);
 116     regionServerAccounting.incGlobalMemStoreSize(memstoreSize);
 117     assertEquals(FlushType.ABOVE_ONHEAP_LOWER_MARK, regionServerAccounting.isAboveLowWaterMark());
 118   }
 119 }