| /* |
| * 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.accumulo.test.functional; |
| |
| import static java.util.Collections.singletonMap; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.accumulo.core.client.Accumulo; |
| import org.apache.accumulo.core.client.AccumuloClient; |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.BatchWriterConfig; |
| import org.apache.accumulo.core.client.ConditionalWriter; |
| import org.apache.accumulo.core.client.ConditionalWriter.Status; |
| import org.apache.accumulo.core.client.ConditionalWriterConfig; |
| import org.apache.accumulo.core.client.Durability; |
| import org.apache.accumulo.core.client.admin.NewTableConfiguration; |
| import org.apache.accumulo.core.conf.Property; |
| import org.apache.accumulo.core.data.Condition; |
| import org.apache.accumulo.core.data.ConditionalMutation; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.security.Authorizations; |
| import org.apache.accumulo.minicluster.ServerType; |
| import org.apache.accumulo.miniclusterImpl.MiniAccumuloConfigImpl; |
| import org.apache.accumulo.miniclusterImpl.ProcessReference; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.RawLocalFileSystem; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Iterators; |
| |
| public class SessionDurabilityIT extends ConfigurableMacBase { |
| |
| @Override |
| public void configure(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) { |
| cfg.setNumTservers(1); |
| hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName()); |
| cfg.setProperty(Property.INSTANCE_ZK_TIMEOUT, "15s"); |
| } |
| |
| @Override |
| protected int defaultTimeoutSeconds() { |
| return 3 * 60; |
| } |
| |
| @Test |
| public void nondurableTableHasDurableWrites() throws Exception { |
| try (AccumuloClient c = Accumulo.newClient().from(getClientProperties()).build()) { |
| String tableName = getUniqueNames(1)[0]; |
| // table default has no durability |
| c.tableOperations().create(tableName, new NewTableConfiguration() |
| .setProperties(singletonMap(Property.TABLE_DURABILITY.getKey(), "none"))); |
| // send durable writes |
| BatchWriterConfig cfg = new BatchWriterConfig(); |
| cfg.setDurability(Durability.SYNC); |
| writeSome(c, tableName, 10, cfg); |
| assertEquals(10, count(c, tableName)); |
| // verify writes servive restart |
| restartTServer(); |
| assertEquals(10, count(c, tableName)); |
| } |
| } |
| |
| @Test |
| public void durableTableLosesNonDurableWrites() throws Exception { |
| try (AccumuloClient c = Accumulo.newClient().from(getClientProperties()).build()) { |
| String tableName = getUniqueNames(1)[0]; |
| // table default is durable writes |
| c.tableOperations().create(tableName, new NewTableConfiguration() |
| .setProperties(singletonMap(Property.TABLE_DURABILITY.getKey(), "sync"))); |
| // write with no durability |
| BatchWriterConfig cfg = new BatchWriterConfig(); |
| cfg.setDurability(Durability.NONE); |
| writeSome(c, tableName, 10, cfg); |
| // verify writes are lost on restart |
| restartTServer(); |
| assertTrue(count(c, tableName) < 10); |
| } |
| } |
| |
| private int count(AccumuloClient client, String tableName) throws Exception { |
| return Iterators.size(client.createScanner(tableName, Authorizations.EMPTY).iterator()); |
| } |
| |
| private void writeSome(AccumuloClient c, String tableName, int n, BatchWriterConfig cfg) |
| throws Exception { |
| try (BatchWriter bw = c.createBatchWriter(tableName, cfg)) { |
| for (int i = 0; i < n; i++) { |
| Mutation m = new Mutation(i + ""); |
| m.put("", "", ""); |
| bw.addMutation(m); |
| } |
| } |
| } |
| |
| @Test |
| public void testConditionDurability() throws Exception { |
| try (AccumuloClient c = Accumulo.newClient().from(getClientProperties()).build()) { |
| String tableName = getUniqueNames(1)[0]; |
| // table default is durable writes |
| c.tableOperations().create(tableName, new NewTableConfiguration() |
| .setProperties(singletonMap(Property.TABLE_DURABILITY.getKey(), "sync"))); |
| // write without durability |
| ConditionalWriterConfig cfg = new ConditionalWriterConfig(); |
| cfg.setDurability(Durability.NONE); |
| conditionWriteSome(c, tableName, 10, cfg); |
| // everything in there? |
| assertEquals(10, count(c, tableName)); |
| // restart the server and verify the updates are lost |
| restartTServer(); |
| assertEquals(0, count(c, tableName)); |
| } |
| } |
| |
| @Test |
| public void testConditionDurability2() throws Exception { |
| try (AccumuloClient c = Accumulo.newClient().from(getClientProperties()).build()) { |
| String tableName = getUniqueNames(1)[0]; |
| // table default is durable writes |
| c.tableOperations().create(tableName, new NewTableConfiguration() |
| .setProperties(singletonMap(Property.TABLE_DURABILITY.getKey(), "none"))); |
| // write with durability |
| ConditionalWriterConfig cfg = new ConditionalWriterConfig(); |
| cfg.setDurability(Durability.SYNC); |
| conditionWriteSome(c, tableName, 10, cfg); |
| // everything in there? |
| assertEquals(10, count(c, tableName)); |
| // restart the server and verify the updates are still there |
| restartTServer(); |
| assertEquals(10, count(c, tableName)); |
| } |
| } |
| |
| private void conditionWriteSome(AccumuloClient c, String tableName, int n, |
| ConditionalWriterConfig cfg) throws Exception { |
| ConditionalWriter cw = c.createConditionalWriter(tableName, cfg); |
| for (int i = 0; i < n; i++) { |
| ConditionalMutation m = new ConditionalMutation(i + "", new Condition("", "")); |
| m.put("", "", "X"); |
| assertEquals(Status.ACCEPTED, cw.write(m).getStatus()); |
| } |
| } |
| |
| private void restartTServer() throws Exception { |
| for (ProcessReference proc : cluster.getProcesses().get(ServerType.TABLET_SERVER)) { |
| cluster.killProcess(ServerType.TABLET_SERVER, proc); |
| } |
| cluster.start(); |
| } |
| |
| } |