| /** |
| * 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.client; |
| |
| import java.io.IOException; |
| import java.io.InterruptedIOException; |
| import java.net.SocketTimeoutException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.coprocessor.CoprocessorHost; |
| 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.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.LargeTests; |
| 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.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({LargeTests.class, ClientTests.class}) |
| public class TestClientOperationInterrupt { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestClientOperationInterrupt.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestClientOperationInterrupt.class); |
| |
| private static HBaseTestingUtility util; |
| private static final TableName tableName = TableName.valueOf("test"); |
| private static final byte[] dummy = Bytes.toBytes("dummy"); |
| private static final byte[] row1 = Bytes.toBytes("r1"); |
| private static final byte[] test = Bytes.toBytes("test"); |
| private static Configuration conf; |
| |
| public static class TestCoprocessor implements RegionCoprocessor, RegionObserver { |
| @Override |
| public Optional<RegionObserver> getRegionObserver() { |
| return Optional.of(this); |
| } |
| |
| @Override |
| public void preGetOp(final ObserverContext<RegionCoprocessorEnvironment> e, |
| final Get get, final List<Cell> results) throws IOException { |
| Threads.sleep(2500); |
| } |
| } |
| |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| conf = HBaseConfiguration.create(); |
| conf.setStrings(CoprocessorHost.USER_REGION_COPROCESSOR_CONF_KEY, |
| TestCoprocessor.class.getName()); |
| util = new HBaseTestingUtility(conf); |
| util.startMiniCluster(); |
| |
| Admin admin = util.getAdmin(); |
| if (admin.tableExists(tableName)) { |
| if (admin.isTableEnabled(tableName)) { |
| admin.disableTable(tableName); |
| } |
| admin.deleteTable(tableName); |
| } |
| Table ht = util.createTable(tableName, new byte[][]{dummy, test}); |
| |
| Put p = new Put(row1); |
| p.addColumn(dummy, dummy, dummy); |
| ht.put(p); |
| } |
| |
| |
| @Test |
| public void testInterrupt50Percent() throws IOException, InterruptedException { |
| final AtomicInteger noEx = new AtomicInteger(0); |
| final AtomicInteger badEx = new AtomicInteger(0); |
| final AtomicInteger noInt = new AtomicInteger(0); |
| final AtomicInteger done = new AtomicInteger(0); |
| List<Thread> threads = new ArrayList<>(); |
| |
| final int nbThread = 100; |
| |
| for (int i = 0; i < nbThread; i++) { |
| Thread t = new Thread() { |
| @Override |
| public void run() { |
| try { |
| Table ht = util.getConnection().getTable(tableName); |
| Result r = ht.get(new Get(row1)); |
| noEx.incrementAndGet(); |
| } catch (IOException e) { |
| LOG.info("exception", e); |
| if (!(e instanceof InterruptedIOException) || (e instanceof SocketTimeoutException)) { |
| badEx.incrementAndGet(); |
| } else { |
| if (Thread.currentThread().isInterrupted()) { |
| noInt.incrementAndGet(); |
| LOG.info("The thread should NOT be with the 'interrupt' status."); |
| } |
| } |
| } finally { |
| done.incrementAndGet(); |
| } |
| } |
| }; |
| t.setName("TestClientOperationInterrupt #" + i); |
| threads.add(t); |
| t.start(); |
| } |
| int expectedNoExNum = nbThread / 2; |
| |
| for (int i = 0; i < nbThread / 2; i++) { |
| if (threads.get(i).getState().equals(Thread.State.TERMINATED)) { |
| expectedNoExNum--; |
| } |
| threads.get(i).interrupt(); |
| } |
| |
| |
| boolean stillAlive = true; |
| while (stillAlive) { |
| stillAlive = false; |
| for (Thread t : threads) { |
| if (t.isAlive()) { |
| stillAlive = true; |
| } |
| } |
| Threads.sleep(10); |
| } |
| |
| Assert.assertFalse(Thread.currentThread().isInterrupted()); |
| Assert.assertTrue(" noEx: " + noEx.get() + ", badEx=" + badEx.get() + ", noInt=" + noInt.get(), |
| noEx.get() == expectedNoExNum && badEx.get() == 0); |
| |
| // The problem here is that we need the server to free its handlers to handle all operations |
| while (done.get() != nbThread){ |
| Thread.sleep(1); |
| } |
| |
| Table ht = util.getConnection().getTable(tableName); |
| Result r = ht.get(new Get(row1)); |
| Assert.assertFalse(r.isEmpty()); |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| util.shutdownMiniCluster(); |
| } |
| } |