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[RSGroup] Forward-port HBASE-22658 to master branch and branch-2.x (a…
…pache#1326) Signed-off-by: stack <stack@apache.org>
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...e-server/src/test/java/org/apache/hadoop/hbase/util/TestRegionMoverWithRSGroupEnable.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.util; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hbase.HBaseClassTestRule; | ||
| import org.apache.hadoop.hbase.HBaseTestingUtility; | ||
| import org.apache.hadoop.hbase.ServerName; | ||
| 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.TableDescriptor; | ||
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; | ||
| import org.apache.hadoop.hbase.net.Address; | ||
| import org.apache.hadoop.hbase.regionserver.HRegionServer; | ||
| import org.apache.hadoop.hbase.rsgroup.RSGroupInfo; | ||
| import org.apache.hadoop.hbase.rsgroup.RSGroupUtil; | ||
| import org.apache.hadoop.hbase.testclassification.MediumTests; | ||
| import org.apache.hadoop.hbase.testclassification.MiscTests; | ||
| import org.apache.hadoop.hbase.util.RegionMover.RegionMoverBuilder; | ||
| import org.junit.AfterClass; | ||
| import org.junit.Before; | ||
| 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 static org.junit.Assert.assertEquals; | ||
|
|
||
| /** | ||
| * Test for rsgroup enable, unloaded regions from decommissoned host of a rsgroup | ||
| * should be assigned to those regionservers belonging to the same rsgroup. | ||
| */ | ||
| @Category({ MiscTests.class, MediumTests.class }) | ||
| public class TestRegionMoverWithRSGroupEnable { | ||
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| @ClassRule | ||
| public static final HBaseClassTestRule CLASS_RULE = | ||
| HBaseClassTestRule.forClass(TestRegionMoverWithRSGroupEnable.class); | ||
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| private static final Logger LOG = LoggerFactory.getLogger(TestRegionMoverWithRSGroupEnable.class); | ||
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); | ||
| private static final String TEST_RSGROUP = "test"; | ||
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| @BeforeClass | ||
| public static void setUpBeforeClass() throws Exception { | ||
| RSGroupUtil.enableRSGroup(TEST_UTIL.getConfiguration()); | ||
| TEST_UTIL.startMiniCluster(5); | ||
| } | ||
|
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| @AfterClass | ||
| public static void tearDownAfterClass() throws Exception { | ||
| TEST_UTIL.shutdownMiniCluster(); | ||
| } | ||
|
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| private final List<Address> rsservers = new ArrayList<>(2); | ||
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| @Before | ||
| public void setUp() throws Exception { | ||
| Admin admin = TEST_UTIL.getAdmin(); | ||
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| // Add a new rsgroup and assign two servers to it. | ||
| admin.addRSGroup(TEST_RSGROUP); | ||
| Collection<ServerName> allServers = admin.getRegionServers(); | ||
| // Remove rs contains hbase:meta, otherwise test looks unstable and buggy in test env. | ||
| ServerName rsContainMeta = TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads().stream() | ||
| .map(t -> t.getRegionServer()) | ||
| .filter(rs -> rs.getRegions(TableName.META_TABLE_NAME).size() > 0).findFirst().get() | ||
| .getServerName(); | ||
| LOG.info("{} contains hbase:meta", rsContainMeta); | ||
| List<ServerName> modifiable = new ArrayList<>(allServers); | ||
| modifiable.remove(rsContainMeta); | ||
| int i = 0; | ||
| for (ServerName server : modifiable) { | ||
| if (i == 2) break; | ||
| rsservers.add(Address.fromParts(server.getHostname(), server.getPort())); | ||
| i++; | ||
| } | ||
| admin.moveServersToRSGroup(new HashSet<>(rsservers), TEST_RSGROUP); | ||
| LOG.info("Servers in {} are {}", TEST_RSGROUP, rsservers); | ||
| assertEquals(3, admin.getRSGroup(RSGroupInfo.DEFAULT_GROUP).getServers().size()); | ||
| assertEquals(2, admin.getRSGroup(TEST_RSGROUP).getServers().size()); | ||
|
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| // Create a pre-split table in test rsgroup | ||
| TableName tableName = TableName.valueOf("testRegionMoverWithRSGroupEnable"); | ||
| if (admin.tableExists(tableName)) { | ||
| TEST_UTIL.deleteTable(tableName); | ||
| } | ||
| TableDescriptor tableDesc = TableDescriptorBuilder.newBuilder(tableName) | ||
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of("f")) | ||
| .setRegionServerGroup(TEST_RSGROUP) | ||
| .build(); | ||
| String startKey = "a"; | ||
| String endKey = "z"; | ||
| admin.createTable(tableDesc, Bytes.toBytes(startKey), Bytes.toBytes(endKey), 9); | ||
| } | ||
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| @Test | ||
| public void testUnloadRegions() throws Exception { | ||
| Address decommission = rsservers.get(0); | ||
| Address online = rsservers.get(1); | ||
| String filename = new Path(TEST_UTIL.getDataTestDir(), "testRSGroupUnload").toString(); | ||
| RegionMoverBuilder builder = | ||
| new RegionMoverBuilder(decommission.toString(), TEST_UTIL.getConfiguration()); | ||
| try (RegionMover rm = builder.filename(filename).ack(true).build()) { | ||
| LOG.info("Unloading " + decommission.getHostname()); | ||
| rm.unload(); | ||
| } | ||
| HRegionServer onlineRS = TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads().stream() | ||
| .map(JVMClusterUtil.RegionServerThread::getRegionServer) | ||
| .filter(rs -> rs.getServerName().getAddress().equals(online)).findFirst().get(); | ||
| assertEquals(9, onlineRS.getNumberOfOnlineRegions()); | ||
| } | ||
|
|
||
| } |