コード例 #1
0
  public static CompressionParameters getOutputCompressionParamaters(Configuration conf) {
    if (getOutputCompressionClass(conf) == null) return new CompressionParameters(null);

    Map<String, String> options = new HashMap<String, String>();
    options.put(CompressionParameters.SSTABLE_COMPRESSION, getOutputCompressionClass(conf));
    options.put(CompressionParameters.CHUNK_LENGTH_KB, getOutputCompressionChunkLength(conf));

    try {
      return CompressionParameters.create(options);
    } catch (ConfigurationException e) {
      throw new RuntimeException(e);
    }
  }
コード例 #2
0
ファイル: CFPropDefs.java プロジェクト: daidong/GraphTrek
  public void applyToCFMetadata(CFMetaData cfm) throws ConfigurationException, SyntaxException {
    if (hasProperty(KW_COMMENT)) cfm.comment(getString(KW_COMMENT, ""));

    cfm.readRepairChance(getDouble(KW_READREPAIRCHANCE, cfm.getReadRepairChance()));
    cfm.dcLocalReadRepairChance(getDouble(KW_DCLOCALREADREPAIRCHANCE, cfm.getDcLocalReadRepair()));
    cfm.gcGraceSeconds(getInt(KW_GCGRACESECONDS, cfm.getGcGraceSeconds()));
    int minCompactionThreshold =
        toInt(
            KW_MINCOMPACTIONTHRESHOLD,
            getCompactionOptions().get(KW_MINCOMPACTIONTHRESHOLD),
            cfm.getMinCompactionThreshold());
    int maxCompactionThreshold =
        toInt(
            KW_MAXCOMPACTIONTHRESHOLD,
            getCompactionOptions().get(KW_MAXCOMPACTIONTHRESHOLD),
            cfm.getMaxCompactionThreshold());
    if (minCompactionThreshold <= 0 || maxCompactionThreshold <= 0)
      throw new ConfigurationException(
          "Disabling compaction by setting compaction thresholds to 0 has been deprecated, set the compaction option 'enabled' to false instead.");
    cfm.minCompactionThreshold(minCompactionThreshold);
    cfm.maxCompactionThreshold(maxCompactionThreshold);
    cfm.defaultTimeToLive(getInt(KW_DEFAULT_TIME_TO_LIVE, cfm.getDefaultTimeToLive()));
    cfm.speculativeRetry(
        CFMetaData.SpeculativeRetry.fromString(
            getString(KW_SPECULATIVE_RETRY, cfm.getSpeculativeRetry().toString())));
    cfm.memtableFlushPeriod(getInt(KW_MEMTABLE_FLUSH_PERIOD, cfm.getMemtableFlushPeriod()));
    cfm.minIndexInterval(getInt(KW_MIN_INDEX_INTERVAL, cfm.getMinIndexInterval()));
    cfm.maxIndexInterval(getInt(KW_MAX_INDEX_INTERVAL, cfm.getMaxIndexInterval()));

    if (compactionStrategyClass != null) {
      cfm.compactionStrategyClass(compactionStrategyClass);
      cfm.compactionStrategyOptions(new HashMap<>(getCompactionOptions()));
    }

    cfm.bloomFilterFpChance(getDouble(KW_BF_FP_CHANCE, cfm.getBloomFilterFpChance()));

    if (!getCompressionOptions().isEmpty())
      cfm.compressionParameters(CompressionParameters.create(getCompressionOptions()));
    CachingOptions cachingOptions = getCachingOptions();
    if (cachingOptions != null) cfm.caching(cachingOptions);
  }
コード例 #3
0
  @VisibleForTesting
  CommitLog(String location, CommitLogArchiver archiver) {
    compressorClass = DatabaseDescriptor.getCommitLogCompression();
    this.location = location;
    ICompressor compressor =
        compressorClass != null ? CompressionParameters.createCompressor(compressorClass) : null;
    DatabaseDescriptor.createAllDirectories();

    this.compressor = compressor;
    this.archiver = archiver;
    metrics = new CommitLogMetrics();

    executor =
        DatabaseDescriptor.getCommitLogSync() == Config.CommitLogSync.batch
            ? new BatchCommitLogService(this)
            : new PeriodicCommitLogService(this);

    allocator = new CommitLogSegmentManager(this);

    // register metrics
    metrics.attach(executor, allocator);
  }
コード例 #4
0
ファイル: CFPropDefs.java プロジェクト: daidong/GraphTrek
  public void validate() throws ConfigurationException, SyntaxException {
    // Skip validation if the comapction strategy class is already set as it means we've alreayd
    // prepared (and redoing it would set strategyClass back to null, which we don't want)
    if (compactionStrategyClass != null) return;

    validate(keywords, obsoleteKeywords);

    Map<String, String> compactionOptions = getCompactionOptions();
    if (!compactionOptions.isEmpty()) {
      String strategy = compactionOptions.get(COMPACTION_STRATEGY_CLASS_KEY);
      if (strategy == null)
        throw new ConfigurationException(
            "Missing sub-option '"
                + COMPACTION_STRATEGY_CLASS_KEY
                + "' for the '"
                + KW_COMPACTION
                + "' option.");

      compactionStrategyClass = CFMetaData.createCompactionStrategy(strategy);
      compactionOptions.remove(COMPACTION_STRATEGY_CLASS_KEY);

      CFMetaData.validateCompactionOptions(compactionStrategyClass, compactionOptions);
    }

    Map<String, String> compressionOptions = getCompressionOptions();
    if (!compressionOptions.isEmpty()) {
      String sstableCompressionClass =
          compressionOptions.get(CompressionParameters.SSTABLE_COMPRESSION);
      if (sstableCompressionClass == null)
        throw new ConfigurationException(
            "Missing sub-option '"
                + CompressionParameters.SSTABLE_COMPRESSION
                + "' for the '"
                + KW_COMPRESSION
                + "' option.");

      Integer chunkLength = CompressionParameters.DEFAULT_CHUNK_LENGTH;
      if (compressionOptions.containsKey(CompressionParameters.CHUNK_LENGTH_KB))
        chunkLength =
            CompressionParameters.parseChunkLength(
                compressionOptions.get(CompressionParameters.CHUNK_LENGTH_KB));

      Map<String, String> remainingOptions = new HashMap<>(compressionOptions);
      remainingOptions.remove(CompressionParameters.SSTABLE_COMPRESSION);
      remainingOptions.remove(CompressionParameters.CHUNK_LENGTH_KB);
      CompressionParameters cp =
          new CompressionParameters(sstableCompressionClass, chunkLength, remainingOptions);
      cp.validate();
    }

    validateMinimumInt(KW_DEFAULT_TIME_TO_LIVE, 0, CFMetaData.DEFAULT_DEFAULT_TIME_TO_LIVE);

    Integer minIndexInterval = getInt(KW_MIN_INDEX_INTERVAL, null);
    Integer maxIndexInterval = getInt(KW_MAX_INDEX_INTERVAL, null);
    if (minIndexInterval != null && minIndexInterval < 1)
      throw new ConfigurationException(KW_MIN_INDEX_INTERVAL + " must be greater than 0");
    if (maxIndexInterval != null && minIndexInterval != null && maxIndexInterval < minIndexInterval)
      throw new ConfigurationException(
          KW_MAX_INDEX_INTERVAL + " must be greater than " + KW_MIN_INDEX_INTERVAL);

    SpeculativeRetry.fromString(
        getString(KW_SPECULATIVE_RETRY, SpeculativeRetry.RetryType.NONE.name()));
  }