| /** |
| * |
| * 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 io.netty.buffer.ByteBuf; |
| |
| import java.io.IOException; |
| import java.security.NoSuchAlgorithmException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.PrimitiveIterator.OfLong; |
| import java.util.Set; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.bookkeeper.bookie.EntryLogger.EntryLogScanner; |
| import org.apache.bookkeeper.common.util.Watcher; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.proto.checksum.DigestManager; |
| import org.apache.bookkeeper.stats.NullStatsLogger; |
| import org.apache.bookkeeper.util.DiskChecker; |
| import org.apache.bookkeeper.util.SnapshotMap; |
| import org.apache.commons.lang.time.DurationFormatUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Scan all entries in the entry log and rebuild the index file for one ledger. |
| */ |
| public class InterleavedStorageRegenerateIndexOp { |
| private static final Logger LOG = LoggerFactory.getLogger(InterleavedStorageRegenerateIndexOp.class); |
| |
| private final ServerConfiguration conf; |
| private final Set<Long> ledgerIds; |
| private final byte[] masterKey; |
| |
| public InterleavedStorageRegenerateIndexOp(ServerConfiguration conf, Set<Long> ledgerIds, byte[] password) |
| throws NoSuchAlgorithmException { |
| this.conf = conf; |
| this.ledgerIds = ledgerIds; |
| this.masterKey = DigestManager.generateMasterKey(password); |
| } |
| |
| static class RecoveryStats { |
| long firstEntry = Long.MAX_VALUE; |
| long lastEntry = Long.MIN_VALUE; |
| long numEntries = 0; |
| |
| void registerEntry(long entryId) { |
| numEntries++; |
| if (entryId < firstEntry) { |
| firstEntry = entryId; |
| } |
| if (entryId > lastEntry) { |
| lastEntry = entryId; |
| } |
| } |
| |
| long getNumEntries() { |
| return numEntries; |
| } |
| |
| long getFirstEntry() { |
| return firstEntry; |
| } |
| |
| long getLastEntry() { |
| return lastEntry; |
| } |
| } |
| |
| public void initiate(boolean dryRun) throws IOException { |
| LOG.info("Starting index rebuilding"); |
| |
| DiskChecker diskChecker = BookieImpl.createDiskChecker(conf); |
| LedgerDirsManager ledgerDirsManager = BookieImpl.createLedgerDirsManager( |
| conf, diskChecker, NullStatsLogger.INSTANCE); |
| LedgerDirsManager indexDirsManager = BookieImpl.createIndexDirsManager( |
| conf, diskChecker, NullStatsLogger.INSTANCE, ledgerDirsManager); |
| EntryLogger entryLogger = new EntryLogger(conf, ledgerDirsManager); |
| final LedgerCache ledgerCache; |
| if (dryRun) { |
| ledgerCache = new DryRunLedgerCache(); |
| } else { |
| ledgerCache = new LedgerCacheImpl(conf, new SnapshotMap<Long, Boolean>(), |
| indexDirsManager, NullStatsLogger.INSTANCE); |
| } |
| |
| Set<Long> entryLogs = entryLogger.getEntryLogsSet(); |
| |
| int totalEntryLogs = entryLogs.size(); |
| int completedEntryLogs = 0; |
| long startTime = System.nanoTime(); |
| |
| LOG.info("Scanning {} entry logs", totalEntryLogs); |
| |
| Map<Long, RecoveryStats> stats = new HashMap<>(); |
| for (long entryLogId : entryLogs) { |
| LOG.info("Scanning {}", entryLogId); |
| entryLogger.scanEntryLog(entryLogId, new EntryLogScanner() { |
| @Override |
| public void process(long ledgerId, long offset, ByteBuf entry) throws IOException { |
| long entryId = entry.getLong(8); |
| |
| stats.computeIfAbsent(ledgerId, (ignore) -> new RecoveryStats()).registerEntry(entryId); |
| |
| // Actual location indexed is pointing past the entry size |
| long location = (entryLogId << 32L) | (offset + 4); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Rebuilding {}:{} at location {} / {}", ledgerId, entryId, location >> 32, |
| location & (Integer.MAX_VALUE - 1)); |
| } |
| |
| if (!ledgerCache.ledgerExists(ledgerId)) { |
| ledgerCache.setMasterKey(ledgerId, masterKey); |
| ledgerCache.setFenced(ledgerId); |
| } |
| ledgerCache.putEntryOffset(ledgerId, entryId, location); |
| } |
| |
| @Override |
| public boolean accept(long ledgerId) { |
| return ledgerIds.contains(ledgerId); |
| } |
| }); |
| |
| ledgerCache.flushLedger(true); |
| |
| ++completedEntryLogs; |
| LOG.info("Completed scanning of log {}.log -- {} / {}", Long.toHexString(entryLogId), completedEntryLogs, |
| totalEntryLogs); |
| } |
| |
| LOG.info("Rebuilding indices done"); |
| for (long ledgerId : ledgerIds) { |
| RecoveryStats ledgerStats = stats.get(ledgerId); |
| if (ledgerStats == null || ledgerStats.getNumEntries() == 0) { |
| LOG.info(" {} - No entries found", ledgerId); |
| } else { |
| LOG.info(" {} - Found {} entries, from {} to {}", ledgerId, |
| ledgerStats.getNumEntries(), ledgerStats.getFirstEntry(), ledgerStats.getLastEntry()); |
| } |
| } |
| LOG.info("Total time: {}", DurationFormatUtils.formatDurationHMS( |
| TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startTime))); |
| } |
| |
| |
| static class DryRunLedgerCache implements LedgerCache { |
| @Override |
| public void close() { |
| } |
| @Override |
| public boolean setFenced(long ledgerId) throws IOException { |
| return false; |
| } |
| @Override |
| public boolean isFenced(long ledgerId) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public void setMasterKey(long ledgerId, byte[] masterKey) throws IOException { |
| } |
| @Override |
| public byte[] readMasterKey(long ledgerId) throws IOException, BookieException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public boolean ledgerExists(long ledgerId) throws IOException { |
| return false; |
| } |
| @Override |
| public void putEntryOffset(long ledger, long entry, long offset) throws IOException { |
| } |
| @Override |
| public long getEntryOffset(long ledger, long entry) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public void flushLedger(boolean doAll) throws IOException { |
| } |
| @Override |
| public long getLastEntry(long ledgerId) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public Long getLastAddConfirmed(long ledgerId) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public long updateLastAddConfirmed(long ledgerId, long lac) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public boolean waitForLastAddConfirmedUpdate(long ledgerId, |
| long previousLAC, |
| Watcher<LastAddConfirmedUpdateNotification> watcher) |
| throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public void cancelWaitForLastAddConfirmedUpdate(long ledgerId, |
| Watcher<LastAddConfirmedUpdateNotification> watcher) |
| throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public void deleteLedger(long ledgerId) throws IOException { |
| } |
| @Override |
| public void setExplicitLac(long ledgerId, ByteBuf lac) throws IOException { |
| } |
| @Override |
| public ByteBuf getExplicitLac(long ledgerId) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public PageEntriesIterable listEntries(long ledgerId) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public LedgerIndexMetadata readLedgerIndexMetadata(long ledgerId) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public OfLong getEntriesIterator(long ledgerId) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| } |