How to use

sync

method

in

org.lealone.storage.fs.FileStorage

c.fileStorage.sync();

synchronized void save() {
  LinkedTransferQueue<RedoLogRecord> oldQueue = getAndResetRedoLogRecords();
  if (!oldQueue.isEmpty()) {
    try (DataBuffer buff = DataBuffer.create()) {
      for (RedoLogRecord r : oldQueue) {
        if (r.isCheckpoint()) {
          deleteOldChunkFiles();
          fileStorage.truncate(0);
          buff.reset();
          pos = 0;
        }
        r.write(buff);
      }
      int chunkLength = buff.position();
      if (chunkLength > 0) {
        buff.limit(chunkLength);
        buff.position(0);
        fileStorage.writeFully(pos, buff.getBuffer());
        pos += chunkLength;
        fileStorage.sync();
      }
      for (RedoLogRecord r : oldQueue) {
        r.setSynced(true);
      }
    }
  }
}