@Override
  protected boolean valiateFilename(Path file) {
    return AbstractFSWALProvider.validateWALFilename(file.getName());
  }
Log cleaner that uses the timestamp of the wal to determine if it should be deleted. By default
they are allowed to live for 10 minutes.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/cleaner/TimeToLiveLogCleaner.java