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);
}
}
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);
}