| package org.apache.bookkeeper.test; |
| |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| import java.io.File; |
| import org.apache.bookkeeper.client.LedgerHandle; |
| import org.apache.bookkeeper.client.BookKeeper.DigestType; |
| import org.apache.bookkeeper.util.TestUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * This class tests the ledger delete functionality both from the BookKeeper |
| * client and the server side. |
| */ |
| public class LedgerDeleteTest extends MultiLedgerManagerTestCase { |
| static Logger LOG = LoggerFactory.getLogger(LedgerDeleteTest.class); |
| DigestType digestType; |
| |
| public LedgerDeleteTest(String ledgerManagerFactory) { |
| super(3); |
| LOG.info("Running test case using ledger manager : " + ledgerManagerFactory); |
| this.digestType = DigestType.CRC32; |
| // set ledger manager name |
| baseConf.setLedgerManagerFactoryClassName(ledgerManagerFactory); |
| baseClientConf.setLedgerManagerFactoryClassName(ledgerManagerFactory); |
| } |
| |
| @Before |
| @Override |
| public void setUp() throws Exception { |
| // Set up the configuration properties needed. |
| baseConf.setEntryLogSizeLimit(2 * 1024 * 1024L); |
| baseConf.setGcWaitTime(1000); |
| super.setUp(); |
| } |
| |
| /** |
| * Common method to create ledgers and write entries to them. |
| */ |
| private LedgerHandle[] writeLedgerEntries(int numLedgers, int msgSize, int numMsgs) throws Exception { |
| // Create the ledgers |
| LedgerHandle[] lhs = new LedgerHandle[numLedgers]; |
| for (int i = 0; i < numLedgers; i++) { |
| lhs[i] = bkc.createLedger(digestType, "".getBytes()); |
| } |
| |
| // Create a dummy message string to write as ledger entries |
| StringBuilder msgSB = new StringBuilder(); |
| for (int i = 0; i < msgSize; i++) { |
| msgSB.append("a"); |
| } |
| String msg = msgSB.toString(); |
| |
| // Write all of the entries for all of the ledgers |
| for (int i = 0; i < numMsgs; i++) { |
| for (int j = 0; j < numLedgers; j++) { |
| lhs[j].addEntry(msg.getBytes()); |
| } |
| } |
| |
| // Return the ledger handles to the inserted ledgers and entries |
| return lhs; |
| } |
| |
| /** |
| * This test writes enough ledger entries to roll over the entry log file. |
| * It will then delete all of the ledgers from the client and let the |
| * server's EntryLogger garbage collector thread delete the initial entry |
| * log file. |
| * |
| * @throws Exception |
| */ |
| @Test(timeout=60000) |
| public void testLedgerDelete() throws Exception { |
| // Write enough ledger entries so that we roll over the initial entryLog (0.log) |
| LedgerHandle[] lhs = writeLedgerEntries(3, 1024, 1024); |
| |
| // Delete all of these ledgers from the BookKeeper client |
| for (LedgerHandle lh : lhs) { |
| bkc.deleteLedger(lh.getId()); |
| } |
| LOG.info("Finished deleting all ledgers so waiting for the GC thread to clean up the entryLogs"); |
| Thread.sleep(2000); |
| |
| // Verify that the first entry log (0.log) has been deleted from all of the Bookie Servers. |
| for (File ledgerDirectory : tmpDirs) { |
| assertFalse("Found the entry log file (0.log) that should have been deleted in ledgerDirectory: " |
| + ledgerDirectory, TestUtils.hasLogFiles(ledgerDirectory, true, 0)); |
| } |
| } |
| |
| /** |
| * This test is similar to testLedgerDelete() except it will stop and |
| * restart the Bookie Servers after it has written out the ledger entries. |
| * On restart, there will be existing entry logs and ledger index files for |
| * the EntryLogger and LedgerCache to read and store into memory. |
| * |
| * @throws Exception |
| */ |
| @Test(timeout=60000) |
| public void testLedgerDeleteWithExistingEntryLogs() throws Exception { |
| // Write enough ledger entries so that we roll over the initial entryLog (0.log) |
| LedgerHandle[] lhs = writeLedgerEntries(3, 1024, 1024); |
| |
| /* |
| * Shutdown the Bookie Servers and restart them using the same ledger |
| * directories. This will test the reading of pre-existing ledger index |
| * files in the LedgerCache during startup of a Bookie Server. |
| */ |
| restartBookies(); |
| |
| // Delete all of these ledgers from the BookKeeper client |
| for (LedgerHandle lh : lhs) { |
| bkc.deleteLedger(lh.getId()); |
| } |
| LOG.info("Finished deleting all ledgers so waiting for the GC thread to clean up the entryLogs"); |
| Thread.sleep(2000); |
| |
| /* |
| * Verify that the first two entry logs ([0,1].log) have been deleted |
| * from all of the Bookie Servers. When we restart the servers in this |
| * test, a new entry log is created. We know then that the first two |
| * entry logs should be deleted. |
| */ |
| for (File ledgerDirectory : tmpDirs) { |
| assertFalse("Found the entry log file ([0,1].log) that should have been deleted in ledgerDirectory: " |
| + ledgerDirectory, TestUtils.hasLogFiles(ledgerDirectory, true, 0, 1)); |
| } |
| } |
| |
| } |