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HBASE-27752: Update the list of prefetched files upon region movement (…
…#5194) Signed-off-by: Wellington Chevreuil <[email protected]>
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...ver/src/test/java/org/apache/hadoop/hbase/io/hfile/TestBlockEvictionOnRegionMovement.java
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| /* | ||
| * 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.io.hfile; | ||
|
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| import static org.apache.hadoop.hbase.HConstants.BUCKET_CACHE_IOENGINE_KEY; | ||
| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNotEquals; | ||
| import static org.junit.Assert.assertTrue; | ||
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|
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| import java.io.IOException; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hbase.HBaseClassTestRule; | ||
| import org.apache.hadoop.hbase.HBaseTestingUtil; | ||
| import org.apache.hadoop.hbase.SingleProcessHBaseCluster; | ||
| import org.apache.hadoop.hbase.StartTestingClusterOption; | ||
| import org.apache.hadoop.hbase.TableName; | ||
| import org.apache.hadoop.hbase.client.Admin; | ||
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; | ||
| import org.apache.hadoop.hbase.client.Put; | ||
| import org.apache.hadoop.hbase.client.RegionInfo; | ||
| import org.apache.hadoop.hbase.client.Table; | ||
| import org.apache.hadoop.hbase.client.TableDescriptor; | ||
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; | ||
| import org.apache.hadoop.hbase.regionserver.HRegionServer; | ||
| import org.apache.hadoop.hbase.testclassification.IOTests; | ||
| import org.apache.hadoop.hbase.testclassification.MediumTests; | ||
| import org.apache.hadoop.hbase.util.Bytes; | ||
| import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.ClassRule; | ||
| import org.junit.Test; | ||
| import org.junit.experimental.categories.Category; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
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| @Category({ IOTests.class, MediumTests.class }) | ||
| public class TestBlockEvictionOnRegionMovement { | ||
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| @ClassRule | ||
| public static final HBaseClassTestRule CLASS_RULE = | ||
| HBaseClassTestRule.forClass(TestBlockEvictionOnRegionMovement.class); | ||
|
|
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| private static final Logger LOG = | ||
| LoggerFactory.getLogger(TestBlockEvictionOnRegionMovement.class); | ||
|
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| private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil(); | ||
|
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| private Configuration conf; | ||
| Path testDir; | ||
| MiniZooKeeperCluster zkCluster; | ||
| SingleProcessHBaseCluster cluster; | ||
| StartTestingClusterOption option = | ||
| StartTestingClusterOption.builder().numRegionServers(2).build(); | ||
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| @Before | ||
| public void setup() throws Exception { | ||
| conf = TEST_UTIL.getConfiguration(); | ||
| testDir = TEST_UTIL.getDataTestDir(); | ||
| TEST_UTIL.getTestFileSystem().mkdirs(testDir); | ||
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| conf.setBoolean(CacheConfig.PREFETCH_BLOCKS_ON_OPEN_KEY, true); | ||
| conf.set(BUCKET_CACHE_IOENGINE_KEY, "file:" + testDir + "/bucket.cache"); | ||
| conf.setInt("hbase.bucketcache.size", 400); | ||
| conf.set("hbase.bucketcache.persistent.path", testDir + "/bucket.persistence"); | ||
| conf.set(CacheConfig.PREFETCH_PERSISTENCE_PATH_KEY, testDir + "/prefetch.persistence"); | ||
| conf.setLong(CacheConfig.BUCKETCACHE_PERSIST_INTERVAL_KEY, 100); | ||
| conf.setBoolean(CacheConfig.EVICT_BLOCKS_ON_CLOSE_KEY, true); | ||
| zkCluster = TEST_UTIL.startMiniZKCluster(); | ||
| cluster = TEST_UTIL.startMiniHBaseCluster(option); | ||
| cluster.setConf(conf); | ||
| } | ||
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| @Test | ||
| public void testBlockEvictionOnRegionMove() throws Exception { | ||
| // Write to table and flush | ||
| TableName tableRegionMove = writeDataToTable(); | ||
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| HRegionServer regionServingRS = | ||
| cluster.getRegionServer(1).getRegions(tableRegionMove).size() == 1 | ||
| ? cluster.getRegionServer(1) | ||
| : cluster.getRegionServer(0); | ||
| assertTrue(regionServingRS.getBlockCache().isPresent()); | ||
| long oldUsedCacheSize = | ||
| regionServingRS.getBlockCache().get().getBlockCaches()[1].getCurrentSize(); | ||
| assertNotEquals(0, regionServingRS.getBlockCache().get().getBlockCaches()[1].getBlockCount()); | ||
|
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| Admin admin = TEST_UTIL.getAdmin(); | ||
| RegionInfo regionToMove = regionServingRS.getRegions(tableRegionMove).get(0).getRegionInfo(); | ||
| admin.move(regionToMove.getEncodedNameAsBytes(), | ||
| TEST_UTIL.getOtherRegionServer(regionServingRS).getServerName()); | ||
| assertEquals(0, regionServingRS.getRegions(tableRegionMove).size()); | ||
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| long newUsedCacheSize = | ||
| regionServingRS.getBlockCache().get().getBlockCaches()[1].getCurrentSize(); | ||
| assertTrue(oldUsedCacheSize > newUsedCacheSize); | ||
| assertEquals(0, regionServingRS.getBlockCache().get().getBlockCaches()[1].getBlockCount()); | ||
| } | ||
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| @Test | ||
| public void testBlockEvictionOnGracefulStop() throws Exception { | ||
| // Write to table and flush | ||
| TableName tableRegionClose = writeDataToTable(); | ||
|
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| HRegionServer regionServingRS = | ||
| cluster.getRegionServer(1).getRegions(tableRegionClose).size() == 1 | ||
| ? cluster.getRegionServer(1) | ||
| : cluster.getRegionServer(0); | ||
|
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| assertTrue(regionServingRS.getBlockCache().isPresent()); | ||
| long oldUsedCacheSize = | ||
| regionServingRS.getBlockCache().get().getBlockCaches()[1].getCurrentSize(); | ||
| assertNotEquals(0, regionServingRS.getBlockCache().get().getBlockCaches()[1].getBlockCount()); | ||
|
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| cluster.stopRegionServer(regionServingRS.getServerName()); | ||
| Thread.sleep(500); | ||
| cluster.startRegionServer(); | ||
| Thread.sleep(500); | ||
|
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| long newUsedCacheSize = | ||
| regionServingRS.getBlockCache().get().getBlockCaches()[1].getCurrentSize(); | ||
| assertEquals(oldUsedCacheSize, newUsedCacheSize); | ||
| assertNotEquals(0, regionServingRS.getBlockCache().get().getBlockCaches()[1].getBlockCount()); | ||
| } | ||
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| public TableName writeDataToTable() throws IOException, InterruptedException { | ||
| TableName tableName = TableName.valueOf("table1"); | ||
| byte[] row0 = Bytes.toBytes("row1"); | ||
| byte[] row1 = Bytes.toBytes("row2"); | ||
| byte[] family = Bytes.toBytes("family"); | ||
| byte[] qf1 = Bytes.toBytes("qf1"); | ||
| byte[] qf2 = Bytes.toBytes("qf2"); | ||
| byte[] value1 = Bytes.toBytes("value1"); | ||
| byte[] value2 = Bytes.toBytes("value2"); | ||
|
|
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| TableDescriptor td = TableDescriptorBuilder.newBuilder(tableName) | ||
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family)).build(); | ||
| Table table = TEST_UTIL.createTable(td, null); | ||
| try { | ||
| // put data | ||
| Put put0 = new Put(row0); | ||
| put0.addColumn(family, qf1, 1, value1); | ||
| table.put(put0); | ||
| Put put1 = new Put(row1); | ||
| put1.addColumn(family, qf2, 1, value2); | ||
| table.put(put1); | ||
| TEST_UTIL.flush(tableName); | ||
| } finally { | ||
| Thread.sleep(1000); | ||
| } | ||
| assertEquals(1, cluster.getRegions(tableName).size()); | ||
| return tableName; | ||
| } | ||
|
|
||
| @After | ||
| public void tearDown() throws Exception { | ||
| TEST_UTIL.shutdownMiniCluster(); | ||
| TEST_UTIL.cleanupDataTestDirOnTestFS(String.valueOf(testDir)); | ||
| if (zkCluster != null) { | ||
| zkCluster.shutdown(); | ||
| } | ||
| } | ||
| } |