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HBASE-26242 Region never split when store file count larger than the …
…configed blocking file count
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...server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitWithBlockingFiles.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.regionserver; | ||
|
|
||
| import static org.apache.hadoop.hbase.regionserver.Store.PRIORITY_USER; | ||
| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertFalse; | ||
| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.assertTrue; | ||
| import java.util.List; | ||
| import org.apache.hadoop.hbase.HBaseClassTestRule; | ||
| import org.apache.hadoop.hbase.HBaseTestingUtil; | ||
| import org.apache.hadoop.hbase.HConstants; | ||
| 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.ResultScanner; | ||
| import org.apache.hadoop.hbase.client.Scan; | ||
| 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.master.assignment.SplitTableRegionProcedure; | ||
| import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv; | ||
| import org.apache.hadoop.hbase.procedure2.ProcedureExecutor; | ||
| import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility; | ||
| import org.apache.hadoop.hbase.testclassification.MediumTests; | ||
| import org.apache.hadoop.hbase.util.Bytes; | ||
| import org.junit.AfterClass; | ||
| import org.junit.Assert; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.ClassRule; | ||
| import org.junit.Test; | ||
| import org.junit.experimental.categories.Category; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.apache.hbase.thirdparty.com.google.common.io.Closeables; | ||
|
|
||
| @Category({ MediumTests.class}) | ||
| public class TestSplitWithBlockingFiles { | ||
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|
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| @ClassRule | ||
| public static final HBaseClassTestRule CLASS_RULE = | ||
| HBaseClassTestRule.forClass(TestSplitWithBlockingFiles.class); | ||
|
|
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| private static final Logger LOG = LoggerFactory.getLogger(TestSplitWithBlockingFiles.class); | ||
|
|
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| protected static final HBaseTestingUtil UTIL = new HBaseTestingUtil(); | ||
| private static TableName TABLE_NAME = TableName.valueOf("test"); | ||
| private static Admin ADMIN; | ||
| private static byte[] CF = Bytes.toBytes("cf"); | ||
| private static Table TABLE; | ||
|
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|
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| @BeforeClass | ||
| public static void setupCluster() throws Exception { | ||
| UTIL.getConfiguration().setLong(HConstants.HREGION_MAX_FILESIZE, 8 * 2 * 10240L); | ||
| UTIL.getConfiguration().setInt(HStore.BLOCKING_STOREFILES_KEY, 1); | ||
| UTIL.getConfiguration().set(HConstants.HBASE_REGION_SPLIT_POLICY_KEY, | ||
| ConstantSizeRegionSplitPolicy.class.getName()); | ||
| UTIL.startMiniCluster(1); | ||
| ADMIN = UTIL.getAdmin(); | ||
| TableDescriptor td = TableDescriptorBuilder.newBuilder(TABLE_NAME) | ||
| .setColumnFamily( | ||
| ColumnFamilyDescriptorBuilder.newBuilder(CF).setBlocksize(1000).build()).build(); | ||
| TABLE = UTIL.createTable(td, null); | ||
| UTIL.waitTableAvailable(TABLE_NAME); | ||
| } | ||
|
|
||
| @AfterClass | ||
| public static void cleanupTest() throws Exception { | ||
| Closeables.close(TABLE, true); | ||
| UTIL.shutdownMiniCluster(); | ||
| } | ||
|
|
||
| @Test | ||
| public void test() throws Exception { | ||
| ADMIN.splitSwitch(false, true); | ||
| byte[] value = new byte[1024]; | ||
| for (int m = 0; m < 10; m++) { | ||
| String rowPrefix = "row" + m; | ||
| for (int i = 0; i < 10; i++) { | ||
| Put p = new Put(Bytes.toBytes(rowPrefix + i)); | ||
| p.addColumn(CF, Bytes.toBytes("qualifier"), value); | ||
| p.addColumn(CF, Bytes.toBytes("qualifier2"), value); | ||
| TABLE.put(p); | ||
| } | ||
| ADMIN.flush(TABLE_NAME); | ||
| } | ||
| Scan scan = new Scan(); | ||
| ResultScanner results = TABLE.getScanner(scan); | ||
| int count = 0; | ||
| while (results.next() != null) { | ||
| count++; | ||
| } | ||
| Assert.assertEquals("There should be 100 rows!", 100, count); | ||
| List<HRegion> regions = UTIL.getMiniHBaseCluster().getRegionServer(0).getRegions(); | ||
| regions.removeIf(r -> !r.getRegionInfo().getTable().equals(TABLE_NAME)); | ||
| assertEquals(1, regions.size()); | ||
| assertNotNull(regions.get(0).getSplitPolicy().getSplitPoint()); | ||
| assertTrue(regions.get(0).getCompactPriority() >= PRIORITY_USER); | ||
| assertTrue(UTIL.getMiniHBaseCluster().getRegionServer(0).getCompactSplitThread() | ||
| .requestSplit(regions.get(0))); | ||
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||
| // split region | ||
| ADMIN.splitSwitch(true, true); | ||
| MasterProcedureEnv env = | ||
| UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor().getEnvironment(); | ||
| final ProcedureExecutor<MasterProcedureEnv> executor = | ||
| UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor(); | ||
| SplitTableRegionProcedure splitProcedure = | ||
| new SplitTableRegionProcedure(env, regions.get(0).getRegionInfo(), Bytes.toBytes("row5")); | ||
| executor.submitProcedure(splitProcedure); | ||
| ProcedureTestingUtility.waitProcedure(executor, splitProcedure.getProcId()); | ||
|
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| regions = UTIL.getMiniHBaseCluster().getRegionServer(0).getRegions(); | ||
| regions.removeIf(r -> !r.getRegionInfo().getTable().equals(TABLE_NAME)); | ||
| assertEquals(2, regions.size()); | ||
| scan = new Scan(); | ||
| results = TABLE.getScanner(scan); | ||
| count = 0; | ||
| while (results.next() != null) { | ||
| count++; | ||
| } | ||
| Assert.assertEquals("There should be 100 rows!", 100, count); | ||
| for (HRegion region : regions) { | ||
| assertTrue(region.getCompactPriority() < PRIORITY_USER); | ||
| assertFalse( | ||
| UTIL.getMiniHBaseCluster().getRegionServer(0).getCompactSplitThread().requestSplit(region)); | ||
| } | ||
| } | ||
| } |