| /** |
| * 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 java.io.IOException; |
| import java.util.Optional; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Delete; |
| import org.apache.hadoop.hbase.client.Get; |
| import org.apache.hadoop.hbase.client.Increment; |
| import org.apache.hadoop.hbase.client.Result; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.client.TableDescriptor; |
| import org.apache.hadoop.hbase.coprocessor.ObserverContext; |
| import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor; |
| import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment; |
| import org.apache.hadoop.hbase.coprocessor.RegionObserver; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.Threads; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.TestName; |
| |
| @Category({MediumTests.class}) |
| public class TestSettingTimeoutOnBlockingPoint { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestSettingTimeoutOnBlockingPoint.class); |
| |
| private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private static final byte[] FAM = Bytes.toBytes("f"); |
| private static final byte[] ROW1 = Bytes.toBytes("row1"); |
| private static final byte[] ROW2 = Bytes.toBytes("row2"); |
| |
| @Rule |
| public TestName testName = new TestName(); |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| TEST_UTIL.getConfiguration().setBoolean(HConstants.STATUS_PUBLISHED, true); |
| TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1); |
| // simulate queue blocking |
| TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HANDLER_COUNT, 2); |
| TEST_UTIL.startMiniCluster(2); |
| } |
| |
| @AfterClass |
| public static void setUpAfterClass() throws Exception { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| public static class SleepCoprocessor implements RegionCoprocessor, RegionObserver { |
| public static final int SLEEP_TIME = 10000; |
| |
| @Override |
| public Optional<RegionObserver> getRegionObserver() { |
| return Optional.of(this); |
| } |
| |
| @Override |
| public Result preIncrementAfterRowLock(final ObserverContext<RegionCoprocessorEnvironment> e, |
| final Increment increment) throws IOException { |
| Threads.sleep(SLEEP_TIME); |
| return null; |
| } |
| } |
| |
| @Test |
| public void testRowLock() throws IOException { |
| TableDescriptor hdt = TEST_UTIL.createModifyableTableDescriptor(testName.getMethodName()) |
| .setCoprocessor(SleepCoprocessor.class.getName()).build(); |
| TEST_UTIL.createTable(hdt, new byte[][] { FAM }, TEST_UTIL.getConfiguration()); |
| TableName tableName = hdt.getTableName(); |
| Thread incrementThread = new Thread(() -> { |
| try { |
| try( Table table = TEST_UTIL.getConnection().getTable(tableName)) { |
| table.incrementColumnValue(ROW1, FAM, FAM, 1); |
| } |
| } catch (IOException e) { |
| Assert.fail(e.getMessage()); |
| } |
| }); |
| Thread getThread = new Thread(() -> { |
| try (Table table = |
| TEST_UTIL.getConnection().getTableBuilder(tableName, null).setRpcTimeout(1000).build()) { |
| Delete delete = new Delete(ROW1); |
| table.delete(delete); |
| } catch (IOException e) { |
| Assert.fail(e.getMessage()); |
| } |
| }); |
| |
| incrementThread.start(); |
| Threads.sleep(1000); |
| getThread.start(); |
| Threads.sleep(2000); |
| try (Table table = |
| TEST_UTIL.getConnection().getTableBuilder(tableName, null).setRpcTimeout(1000).build()) { |
| // We have only two handlers. The first thread will get a write lock for row1 and occupy |
| // the first handler. The second thread need a read lock for row1, it should quit after 1000 |
| // ms and give back the handler because it can not get the lock in time. |
| // So we can get the value using the second handler. |
| table.get(new Get(ROW2)); // Will throw exception if the timeout checking is failed |
| } finally { |
| incrementThread.interrupt(); |
| getThread.interrupt(); |
| } |
| } |
| } |