org.rocksdb.Options.setMinWriteBufferNumberToMerge()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中org.rocksdb.Options.setMinWriteBufferNumberToMerge()方法的一些代码示例,展示了Options.setMinWriteBufferNumberToMerge()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Options.setMinWriteBufferNumberToMerge()方法的具体详情如下:
包路径:org.rocksdb.Options
类名称:Options
方法名:setMinWriteBufferNumberToMerge

Options.setMinWriteBufferNumberToMerge介绍

暂无

代码示例

代码示例来源:origin: org.rocksdb/rocksdbjni

@Override
public Options setMinWriteBufferNumberToMerge(
  final int minWriteBufferNumberToMerge) {
 setMinWriteBufferNumberToMerge(nativeHandle_, minWriteBufferNumberToMerge);
 return this;
}

代码示例来源:origin: org.locationtech.geogig/geogig-core

.setMaxWriteBufferNumber(8)//
.setMaxBackgroundCompactions(2)//
.setMinWriteBufferNumberToMerge(4)//
.setBytesPerSync(0/* 64 * 1024 * 1024 */)//

代码示例来源:origin: pravega/pravega

private Options createDatabaseOptions() {
  BlockBasedTableConfig tableFormatConfig = new BlockBasedTableConfig()
      .setBlockSize(cacheBlockSizeKB * 1024L)
      .setBlockCacheSize(readCacheSizeMB * 1024L * 1024L)
      .setCacheIndexAndFilterBlocks(true);
  return new Options()
      .setCreateIfMissing(true)
      .setDbLogDir(Paths.get(this.dbDir, DB_LOG_DIR).toString())
      .setWalDir(Paths.get(this.dbDir, DB_WRITE_AHEAD_LOG_DIR).toString())
      .setWalTtlSeconds(0)
      .setWalSizeLimitMB(MAX_WRITE_AHEAD_LOG_SIZE_MB)
      .setWriteBufferSize(writeBufferSizeMB * 1024L * 1024L)
      .setMaxWriteBufferNumber(MAX_WRITE_BUFFER_NUMBER)
      .setMinWriteBufferNumberToMerge(MIN_WRITE_BUFFER_NUMBER_TO_MERGE)
      .setTableFormatConfig(tableFormatConfig)
      .setOptimizeFiltersForHits(true)
      .setUseDirectReads(true);
}

代码示例来源:origin: com.github.ddth/ddth-commons-core

/**
 * Builds RocksDb {@link Options}.
 * 
 * @param maxBackgroundThreads
 * @param levelZeloFileNumCompactionTrigger
 * @param writeBufferSize
 * @param targetFileSizeBase
 * @return
 */
public static Options buildOptions(int maxBackgroundThreads,
    int levelZeloFileNumCompactionTrigger, long writeBufferSize, long targetFileSizeBase) {
  Options rocksOptions = new Options();
  rocksOptions.setCreateIfMissing(true).getEnv().setBackgroundThreads(1, Env.FLUSH_POOL)
      .setBackgroundThreads(maxBackgroundThreads, Env.COMPACTION_POOL);
  rocksOptions.setMaxBackgroundFlushes(1).setMaxBackgroundCompactions(maxBackgroundThreads);
  rocksOptions.setWriteBufferSize(writeBufferSize).setMinWriteBufferNumberToMerge(2)
      .setLevelZeroFileNumCompactionTrigger(levelZeloFileNumCompactionTrigger)
      .setTargetFileSizeBase(targetFileSizeBase);
  rocksOptions.setMemTableConfig(new SkipListMemTableConfig());
  // rocksOptions.setMemTableConfig(new HashSkipListMemTableConfig());
  // rocksOptions.setMemTableConfig(new HashLinkedListMemTableConfig());
  return rocksOptions;
}

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