| /** |
| * 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.junit.Assert.fail; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.testclassification.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.junit.Before; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({ ClientTests.class, MediumTests.class }) |
| public class TestCISleep extends AbstractTestCITimeout { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCISleep.class); |
| |
| private static Logger LOG = LoggerFactory.getLogger(TestCISleep.class); |
| |
| private TableName tableName; |
| |
| @Before |
| public void setUp() { |
| tableName = TableName.valueOf(name.getMethodName()); |
| } |
| |
| /** |
| * Test starting from 0 index when RpcRetryingCaller calculate the backoff time. |
| */ |
| @Test |
| public void testRpcRetryingCallerSleep() throws Exception { |
| TableDescriptor htd = TableDescriptorBuilder.newBuilder(tableName) |
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAM_NAM)) |
| .setCoprocessor(CoprocessorDescriptorBuilder.newBuilder(SleepAndFailFirstTime.class.getName()) |
| .setProperty(SleepAndFailFirstTime.SLEEP_TIME_CONF_KEY, String.valueOf(2000)) |
| .build()) |
| .build(); |
| TEST_UTIL.getAdmin().createTable(htd); |
| |
| Configuration c = new Configuration(TEST_UTIL.getConfiguration()); |
| c.setInt(HConstants.HBASE_CLIENT_PAUSE, 3000); |
| c.setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, 4000); |
| |
| try (Connection conn = ConnectionFactory.createConnection(c)) { |
| SleepAndFailFirstTime.ct.set(0); |
| try (Table table = conn.getTableBuilder(tableName, null).setOperationTimeout(8000).build()) { |
| // Check that it works. Because 2s + 3s * RETRY_BACKOFF[0] + 2s < 8s |
| table.get(new Get(FAM_NAM)); |
| } |
| SleepAndFailFirstTime.ct.set(0); |
| try (Table table = conn.getTableBuilder(tableName, null).setOperationTimeout(6000).build()) { |
| // Will fail this time. After sleep, there are not enough time for second retry |
| // Beacuse 2s + 3s + 2s > 6s |
| table.get(new Get(FAM_NAM)); |
| fail("We expect an exception here"); |
| } catch (RetriesExhaustedException e) { |
| LOG.info("We received an exception, as expected ", e); |
| } |
| } |
| } |
| } |