| /* |
| * 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; |
| |
| import static org.apache.accumulo.fate.util.UtilWaitThread.sleepUninterruptibly; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.security.SecureRandom; |
| import java.util.Map.Entry; |
| import java.util.Random; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| 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.Scanner; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.conf.Property; |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.core.metadata.MetadataTable; |
| import org.apache.accumulo.core.security.Authorizations; |
| import org.apache.accumulo.minicluster.ServerType; |
| import org.apache.accumulo.miniclusterImpl.MiniAccumuloConfigImpl; |
| import org.apache.accumulo.test.functional.ConfigurableMacBase; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.RawLocalFileSystem; |
| import org.junit.Test; |
| |
| import com.google.common.collect.Iterators; |
| |
| public class MultiTableRecoveryIT extends ConfigurableMacBase { |
| |
| @Override |
| protected void configure(MiniAccumuloConfigImpl cfg, Configuration hadoopCoreSite) { |
| cfg.setProperty(Property.INSTANCE_ZK_TIMEOUT, "15s"); |
| |
| // use raw local file system so walogs sync and flush will work |
| hadoopCoreSite.set("fs.file.impl", RawLocalFileSystem.class.getName()); |
| } |
| |
| @Override |
| protected int defaultTimeoutSeconds() { |
| return 5 * 60; |
| } |
| |
| @Test |
| public void testRecoveryOverMultipleTables() throws Exception { |
| final int N = 3; |
| try (AccumuloClient c = Accumulo.newClient().from(getClientProperties()).build()) { |
| final String[] tables = getUniqueNames(N); |
| final BatchWriter[] writers = new BatchWriter[N]; |
| final byte[][] values = new byte[N][]; |
| int i = 0; |
| System.out.println("Creating tables"); |
| for (String tableName : tables) { |
| c.tableOperations().create(tableName); |
| values[i] = Integer.toString(i).getBytes(); |
| writers[i] = c.createBatchWriter(tableName, null); |
| i++; |
| } |
| System.out.println("Creating agitator"); |
| final AtomicBoolean stop = new AtomicBoolean(false); |
| final Thread agitator = agitator(stop); |
| agitator.start(); |
| System.out.println("writing"); |
| final Random random = new SecureRandom(); |
| for (i = 0; i < 1_000_000; i++) { |
| // make non-negative avoiding Math.abs, because that can still be negative |
| long randomRow = random.nextLong() & Long.MAX_VALUE; |
| assertTrue(randomRow >= 0); |
| final int table = (int) (randomRow % N); |
| final Mutation m = new Mutation(Long.toHexString(randomRow)); |
| m.put(new byte[0], new byte[0], values[table]); |
| writers[table].addMutation(m); |
| if (i % 10_000 == 0) { |
| System.out.println("flushing"); |
| for (int w = 0; w < N; w++) { |
| writers[w].flush(); |
| } |
| } |
| } |
| System.out.println("closing"); |
| for (int w = 0; w < N; w++) { |
| writers[w].close(); |
| } |
| System.out.println("stopping the agitator"); |
| stop.set(true); |
| agitator.join(); |
| System.out.println("checking the data"); |
| long count = 0; |
| for (int w = 0; w < N; w++) { |
| try (Scanner scanner = c.createScanner(tables[w], Authorizations.EMPTY)) { |
| for (Entry<Key,Value> entry : scanner) { |
| int value = Integer.parseInt(entry.getValue().toString()); |
| assertEquals(w, value); |
| count++; |
| } |
| } |
| } |
| assertEquals(1_000_000, count); |
| } |
| } |
| |
| private Thread agitator(final AtomicBoolean stop) { |
| return new Thread(() -> { |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProperties()).build()) { |
| int i = 0; |
| while (!stop.get()) { |
| sleepUninterruptibly(10, TimeUnit.SECONDS); |
| System.out.println("Restarting"); |
| getCluster().getClusterControl().stop(ServerType.TABLET_SERVER); |
| getCluster().start(); |
| // read the metadata table to know everything is back up |
| Iterators.size(client.createScanner(MetadataTable.NAME, Authorizations.EMPTY).iterator()); |
| i++; |
| } |
| System.out.println("Restarted " + i + " times"); |
| } catch (IOException | InterruptedException | TableNotFoundException ex) { |
| log.error("{}", ex.getMessage(), ex); |
| } |
| }); |
| } |
| } |