public static Path getSplitLogDir(Path rootdir, String tmpname) {
    return new Path(new Path(rootdir, HConstants.SPLIT_LOGDIR_NAME), tmpname);
  }
Checks if the given path represents a rescan node.
@param zkw  reference to the {@link ZKWatcher} which also contains configuration and constants
@param path the absolute path, starts with '/'
@return whether the path represents a rescan node
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKSplitLog.java