| /** |
| * 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.cassandra.tools; |
| |
| import java.io.File; |
| import java.util.*; |
| import java.util.concurrent.TimeUnit; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Lists; |
| import org.apache.commons.cli.*; |
| |
| import org.apache.cassandra.config.Schema; |
| import org.apache.cassandra.db.ColumnFamilyStore; |
| import org.apache.cassandra.db.Directories; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.db.compaction.*; |
| import org.apache.cassandra.db.lifecycle.LifecycleTransaction; |
| import org.apache.cassandra.io.sstable.format.SSTableReader; |
| import org.apache.cassandra.io.sstable.*; |
| import org.apache.cassandra.utils.JVMStabilityInspector; |
| import org.apache.cassandra.utils.OutputHandler; |
| |
| import static org.apache.cassandra.tools.BulkLoader.CmdLineOptions; |
| |
| public class StandaloneScrubber |
| { |
| private static final String TOOL_NAME = "sstablescrub"; |
| private static final String VERBOSE_OPTION = "verbose"; |
| private static final String DEBUG_OPTION = "debug"; |
| private static final String HELP_OPTION = "help"; |
| private static final String MANIFEST_CHECK_OPTION = "manifest-check"; |
| private static final String SKIP_CORRUPTED_OPTION = "skip-corrupted"; |
| private static final String NO_VALIDATE_OPTION = "no-validate"; |
| |
| public static void main(String args[]) |
| { |
| Options options = Options.parseArgs(args); |
| Util.initDatabaseDescriptor(); |
| |
| try |
| { |
| // load keyspace descriptions. |
| Schema.instance.loadFromDisk(false); |
| |
| if (Schema.instance.getKSMetaData(options.keyspaceName) == null) |
| throw new IllegalArgumentException(String.format("Unknown keyspace %s", options.keyspaceName)); |
| |
| // Do not load sstables since they might be broken |
| Keyspace keyspace = Keyspace.openWithoutSSTables(options.keyspaceName); |
| |
| ColumnFamilyStore cfs = null; |
| for (ColumnFamilyStore c : keyspace.getValidColumnFamilies(true, false, options.cfName)) |
| { |
| if (c.name.equals(options.cfName)) |
| { |
| cfs = c; |
| break; |
| } |
| } |
| |
| if (cfs == null) |
| throw new IllegalArgumentException(String.format("Unknown table %s.%s", |
| options.keyspaceName, |
| options.cfName)); |
| |
| String snapshotName = "pre-scrub-" + System.currentTimeMillis(); |
| |
| OutputHandler handler = new OutputHandler.SystemOutput(options.verbose, options.debug); |
| Directories.SSTableLister lister = cfs.getDirectories().sstableLister(Directories.OnTxnErr.THROW).skipTemporary(true); |
| |
| List<SSTableReader> sstables = new ArrayList<>(); |
| |
| // Scrub sstables |
| for (Map.Entry<Descriptor, Set<Component>> entry : lister.list().entrySet()) |
| { |
| Set<Component> components = entry.getValue(); |
| if (!components.contains(Component.DATA)) |
| continue; |
| |
| try |
| { |
| SSTableReader sstable = SSTableReader.openNoValidation(entry.getKey(), components, cfs); |
| sstables.add(sstable); |
| |
| File snapshotDirectory = Directories.getSnapshotDirectory(sstable.descriptor, snapshotName); |
| sstable.createLinks(snapshotDirectory.getPath()); |
| |
| } |
| catch (Exception e) |
| { |
| JVMStabilityInspector.inspectThrowable(e); |
| System.err.println(String.format("Error Loading %s: %s", entry.getKey(), e.getMessage())); |
| if (options.debug) |
| e.printStackTrace(System.err); |
| } |
| } |
| System.out.println(String.format("Pre-scrub sstables snapshotted into snapshot %s", snapshotName)); |
| |
| if (!options.manifestCheckOnly) |
| { |
| for (SSTableReader sstable : sstables) |
| { |
| try (LifecycleTransaction txn = LifecycleTransaction.offline(OperationType.SCRUB, sstable)) |
| { |
| txn.obsoleteOriginals(); // make sure originals are deleted and avoid NPE if index is missing, CASSANDRA-9591 |
| try (Scrubber scrubber = new Scrubber(cfs, txn, options.skipCorrupted, handler, !options.noValidate)) |
| { |
| scrubber.scrub(); |
| } |
| catch (Throwable t) |
| { |
| if (!cfs.rebuildOnFailedScrub(t)) |
| { |
| System.out.println(t.getMessage()); |
| throw t; |
| } |
| } |
| } |
| catch (Exception e) |
| { |
| System.err.println(String.format("Error scrubbing %s: %s", sstable, e.getMessage())); |
| e.printStackTrace(System.err); |
| } |
| } |
| } |
| |
| // Check (and repair) manifests |
| checkManifest(cfs.getCompactionStrategyManager(), cfs, sstables); |
| CompactionManager.instance.finishCompactionsAndShutdown(5, TimeUnit.MINUTES); |
| LifecycleTransaction.waitForDeletions(); |
| System.exit(0); // We need that to stop non daemonized threads |
| } |
| catch (Exception e) |
| { |
| System.err.println(e.getMessage()); |
| if (options.debug) |
| e.printStackTrace(System.err); |
| System.exit(1); |
| } |
| } |
| |
| private static void checkManifest(CompactionStrategyManager strategyManager, ColumnFamilyStore cfs, Collection<SSTableReader> sstables) |
| { |
| int maxSizeInMB = (int)((cfs.getCompactionStrategyManager().getMaxSSTableBytes()) / (1024L * 1024L)); |
| if (strategyManager.getStrategies().size() == 2 && strategyManager.getStrategies().get(0) instanceof LeveledCompactionStrategy) |
| { |
| System.out.println("Checking leveled manifest"); |
| Predicate<SSTableReader> repairedPredicate = new Predicate<SSTableReader>() |
| { |
| @Override |
| public boolean apply(SSTableReader sstable) |
| { |
| return sstable.isRepaired(); |
| } |
| }; |
| |
| List<SSTableReader> repaired = Lists.newArrayList(Iterables.filter(sstables, repairedPredicate)); |
| List<SSTableReader> unRepaired = Lists.newArrayList(Iterables.filter(sstables, Predicates.not(repairedPredicate))); |
| |
| LeveledManifest repairedManifest = LeveledManifest.create(cfs, maxSizeInMB, repaired); |
| for (int i = 1; i < repairedManifest.getLevelCount(); i++) |
| { |
| repairedManifest.repairOverlappingSSTables(i); |
| } |
| LeveledManifest unRepairedManifest = LeveledManifest.create(cfs, maxSizeInMB, unRepaired); |
| for (int i = 1; i < unRepairedManifest.getLevelCount(); i++) |
| { |
| unRepairedManifest.repairOverlappingSSTables(i); |
| } |
| } |
| } |
| |
| private static class Options |
| { |
| public final String keyspaceName; |
| public final String cfName; |
| |
| public boolean debug; |
| public boolean verbose; |
| public boolean manifestCheckOnly; |
| public boolean skipCorrupted; |
| public boolean noValidate; |
| |
| private Options(String keyspaceName, String cfName) |
| { |
| this.keyspaceName = keyspaceName; |
| this.cfName = cfName; |
| } |
| |
| public static Options parseArgs(String cmdArgs[]) |
| { |
| CommandLineParser parser = new GnuParser(); |
| CmdLineOptions options = getCmdLineOptions(); |
| try |
| { |
| CommandLine cmd = parser.parse(options, cmdArgs, false); |
| |
| if (cmd.hasOption(HELP_OPTION)) |
| { |
| printUsage(options); |
| System.exit(0); |
| } |
| |
| String[] args = cmd.getArgs(); |
| if (args.length != 2) |
| { |
| String msg = args.length < 2 ? "Missing arguments" : "Too many arguments"; |
| System.err.println(msg); |
| printUsage(options); |
| System.exit(1); |
| } |
| |
| String keyspaceName = args[0]; |
| String cfName = args[1]; |
| |
| Options opts = new Options(keyspaceName, cfName); |
| |
| opts.debug = cmd.hasOption(DEBUG_OPTION); |
| opts.verbose = cmd.hasOption(VERBOSE_OPTION); |
| opts.manifestCheckOnly = cmd.hasOption(MANIFEST_CHECK_OPTION); |
| opts.skipCorrupted = cmd.hasOption(SKIP_CORRUPTED_OPTION); |
| opts.noValidate = cmd.hasOption(NO_VALIDATE_OPTION); |
| |
| return opts; |
| } |
| catch (ParseException e) |
| { |
| errorMsg(e.getMessage(), options); |
| return null; |
| } |
| } |
| |
| private static void errorMsg(String msg, CmdLineOptions options) |
| { |
| System.err.println(msg); |
| printUsage(options); |
| System.exit(1); |
| } |
| |
| private static CmdLineOptions getCmdLineOptions() |
| { |
| CmdLineOptions options = new CmdLineOptions(); |
| options.addOption(null, DEBUG_OPTION, "display stack traces"); |
| options.addOption("v", VERBOSE_OPTION, "verbose output"); |
| options.addOption("h", HELP_OPTION, "display this help message"); |
| options.addOption("m", MANIFEST_CHECK_OPTION, "only check and repair the leveled manifest, without actually scrubbing the sstables"); |
| options.addOption("s", SKIP_CORRUPTED_OPTION, "skip corrupt rows in counter tables"); |
| options.addOption("n", NO_VALIDATE_OPTION, "do not validate columns using column validator"); |
| return options; |
| } |
| |
| public static void printUsage(CmdLineOptions options) |
| { |
| String usage = String.format("%s [options] <keyspace> <column_family>", TOOL_NAME); |
| StringBuilder header = new StringBuilder(); |
| header.append("--\n"); |
| header.append("Scrub the sstable for the provided table." ); |
| header.append("\n--\n"); |
| header.append("Options are:"); |
| new HelpFormatter().printHelp(usage, header.toString(), options, ""); |
| } |
| } |
| } |