| /* |
| * 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 static org.hamcrest.CoreMatchers.instanceOf; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtil; |
| import org.apache.hadoop.hbase.HRegionLocation; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.security.User; |
| import org.apache.hadoop.hbase.testclassification.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.hbase.thirdparty.com.google.common.io.Closeables; |
| |
| @Category({ MediumTests.class, ClientTests.class }) |
| public class TestAsyncSingleRequestRpcRetryingCaller { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestAsyncSingleRequestRpcRetryingCaller.class); |
| |
| private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil(); |
| |
| private static TableName TABLE_NAME = TableName.valueOf("async"); |
| |
| private static byte[] FAMILY = Bytes.toBytes("cf"); |
| |
| private static byte[] QUALIFIER = Bytes.toBytes("cq"); |
| |
| private static byte[] ROW = Bytes.toBytes("row"); |
| |
| private static byte[] VALUE = Bytes.toBytes("value"); |
| |
| private static AsyncConnectionImpl CONN; |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| TEST_UTIL.startMiniCluster(2); |
| TEST_UTIL.getAdmin().balancerSwitch(false, true); |
| TEST_UTIL.createTable(TABLE_NAME, FAMILY); |
| TEST_UTIL.waitTableAvailable(TABLE_NAME); |
| ConnectionRegistry registry = |
| ConnectionRegistryFactory.create(TEST_UTIL.getConfiguration(), User.getCurrent()); |
| CONN = new AsyncConnectionImpl(TEST_UTIL.getConfiguration(), registry, |
| registry.getClusterId().get(), null, User.getCurrent()); |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| Closeables.close(CONN, true); |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testRegionMove() throws InterruptedException, ExecutionException, IOException { |
| // This will leave a cached entry in location cache |
| HRegionLocation loc = CONN.getRegionLocator(TABLE_NAME).getRegionLocation(ROW).get(); |
| int index = TEST_UTIL.getHBaseCluster().getServerWith(loc.getRegion().getRegionName()); |
| TEST_UTIL.getAdmin().move(loc.getRegion().getEncodedNameAsBytes(), |
| TEST_UTIL.getHBaseCluster().getRegionServer(1 - index).getServerName()); |
| AsyncTable<?> table = CONN.getTableBuilder(TABLE_NAME).setRetryPause(100, TimeUnit.MILLISECONDS) |
| .setMaxRetries(30).build(); |
| table.put(new Put(ROW).addColumn(FAMILY, QUALIFIER, VALUE)).get(); |
| |
| // move back |
| TEST_UTIL.getAdmin().move(loc.getRegion().getEncodedNameAsBytes(), loc.getServerName()); |
| Result result = table.get(new Get(ROW).addColumn(FAMILY, QUALIFIER)).get(); |
| assertArrayEquals(VALUE, result.getValue(FAMILY, QUALIFIER)); |
| } |
| |
| private <T> CompletableFuture<T> failedFuture() { |
| CompletableFuture<T> future = new CompletableFuture<>(); |
| future.completeExceptionally(new RuntimeException("Inject error!")); |
| return future; |
| } |
| |
| @Test |
| public void testMaxRetries() throws IOException, InterruptedException { |
| try { |
| CONN.callerFactory.single().table(TABLE_NAME).row(ROW).operationTimeout(1, TimeUnit.DAYS) |
| .maxAttempts(3).pause(10, TimeUnit.MILLISECONDS) |
| .action((controller, loc, stub) -> failedFuture()).call().get(); |
| fail(); |
| } catch (ExecutionException e) { |
| assertThat(e.getCause(), instanceOf(RetriesExhaustedException.class)); |
| } |
| } |
| |
| @Test |
| public void testOperationTimeout() throws IOException, InterruptedException { |
| long startNs = System.nanoTime(); |
| try { |
| CONN.callerFactory.single().table(TABLE_NAME).row(ROW).operationTimeout(1, TimeUnit.SECONDS) |
| .pause(100, TimeUnit.MILLISECONDS).maxAttempts(Integer.MAX_VALUE) |
| .action((controller, loc, stub) -> failedFuture()).call().get(); |
| fail(); |
| } catch (ExecutionException e) { |
| e.printStackTrace(); |
| assertThat(e.getCause(), instanceOf(RetriesExhaustedException.class)); |
| } |
| long costNs = System.nanoTime() - startNs; |
| assertTrue(costNs >= TimeUnit.SECONDS.toNanos(1)); |
| assertTrue(costNs < TimeUnit.SECONDS.toNanos(2)); |
| } |
| |
| @Test |
| public void testLocateError() throws IOException, InterruptedException, ExecutionException { |
| AtomicBoolean errorTriggered = new AtomicBoolean(false); |
| AtomicInteger count = new AtomicInteger(0); |
| HRegionLocation loc = CONN.getRegionLocator(TABLE_NAME).getRegionLocation(ROW).get(); |
| AsyncRegionLocator mockedLocator = |
| new AsyncRegionLocator(CONN, AsyncConnectionImpl.RETRY_TIMER) { |
| @Override |
| CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row, |
| int replicaId, RegionLocateType locateType, long timeoutNs) { |
| if (tableName.equals(TABLE_NAME)) { |
| CompletableFuture<HRegionLocation> future = new CompletableFuture<>(); |
| if (count.getAndIncrement() == 0) { |
| errorTriggered.set(true); |
| future.completeExceptionally(new RuntimeException("Inject error!")); |
| } else { |
| future.complete(loc); |
| } |
| return future; |
| } else { |
| return super.getRegionLocation(tableName, row, replicaId, locateType, timeoutNs); |
| } |
| } |
| |
| @Override |
| void updateCachedLocationOnError(HRegionLocation loc, Throwable exception) { |
| } |
| }; |
| try (AsyncConnectionImpl mockedConn = new AsyncConnectionImpl(CONN.getConfiguration(), |
| CONN.registry, CONN.registry.getClusterId().get(), null, User.getCurrent()) { |
| |
| @Override |
| AsyncRegionLocator getLocator() { |
| return mockedLocator; |
| } |
| }) { |
| AsyncTable<?> table = mockedConn.getTableBuilder(TABLE_NAME) |
| .setRetryPause(100, TimeUnit.MILLISECONDS).setMaxRetries(5).build(); |
| table.put(new Put(ROW).addColumn(FAMILY, QUALIFIER, VALUE)).get(); |
| assertTrue(errorTriggered.get()); |
| errorTriggered.set(false); |
| count.set(0); |
| Result result = table.get(new Get(ROW).addColumn(FAMILY, QUALIFIER)).get(); |
| assertArrayEquals(VALUE, result.getValue(FAMILY, QUALIFIER)); |
| assertTrue(errorTriggered.get()); |
| } |
| } |
| } |