| /* |
| * |
| * 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.bookkeeper.bookie; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| import org.apache.bookkeeper.client.BookKeeper.DigestType; |
| import org.apache.bookkeeper.client.LedgerEntry; |
| import org.apache.bookkeeper.client.LedgerHandle; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.test.BookKeeperClusterTestCase; |
| import org.junit.Test; |
| |
| /** |
| * Test the bookie with multiple journals. |
| */ |
| public class BookieMultipleJournalsTest extends BookKeeperClusterTestCase { |
| |
| public BookieMultipleJournalsTest() { |
| super(1); |
| } |
| |
| protected ServerConfiguration newServerConfiguration(int port, File journalDir, |
| File[] ledgerDirs) { |
| ServerConfiguration conf = super.newServerConfiguration(port, journalDir, ledgerDirs); |
| |
| // Use 4 journals |
| String[] journalDirs = new String[4]; |
| for (int i = 0; i < 4; i++) { |
| journalDirs[i] = journalDir.getAbsolutePath() + "/journal-" + i; |
| } |
| conf.setJournalDirsName(journalDirs); |
| |
| return conf; |
| } |
| |
| @Test |
| public void testMultipleWritesAndBookieRestart() throws Exception { |
| // Creates few ledgers so that writes are spread across all journals |
| final int numLedgers = 16; |
| final int numEntriesPerLedger = 30; |
| List<LedgerHandle> writeHandles = new ArrayList<>(); |
| |
| for (int i = 0; i < numLedgers; i++) { |
| writeHandles.add(bkc.createLedger(1, 1, DigestType.CRC32, new byte[0])); |
| } |
| |
| for (int i = 0; i < numEntriesPerLedger; i++) { |
| for (int j = 0; j < numLedgers; j++) { |
| writeHandles.get(j).addEntry(("entry-" + i).getBytes()); |
| } |
| } |
| |
| restartBookies(); |
| |
| // Write another set of entries |
| for (int i = numEntriesPerLedger; i < 2 * numEntriesPerLedger; i++) { |
| for (int j = 0; j < numLedgers; j++) { |
| writeHandles.get(j).addEntry(("entry-" + i).getBytes()); |
| } |
| } |
| |
| restartBookies(); |
| |
| List<LedgerHandle> readHandles = new ArrayList<>(); |
| |
| for (int i = 0; i < numLedgers; i++) { |
| readHandles.add(bkc.openLedger(writeHandles.get(i).getId(), DigestType.CRC32, new byte[0])); |
| } |
| |
| for (int i = 0; i < numLedgers; i++) { |
| Enumeration<LedgerEntry> entries = readHandles.get(i).readEntries(0, numEntriesPerLedger - 1); |
| |
| for (int j = 0; j < numEntriesPerLedger; j++) { |
| LedgerEntry entry = entries.nextElement(); |
| assertEquals("entry-" + j, new String(entry.getEntry())); |
| } |
| } |
| } |
| |
| } |