private static String removeDelimiter(String in) {
    if (in == null) {
      return null;
    }
    return in.replaceAll(":", "");
  }
Wait for every server either confirm killing the query or confirm not knowing the query.

@param confirmationCount     number of confirmation to wait for
@param maxWaitOnConfirmation confirmation waiting timeout for NO answers
@param maxWaitOnKill         timeout for waiting on the actual kill query operation
@param unit                  time unit for timeouts
@return true if the kill was confirmed, false on timeout or if everybody voted for NO
@throws Exception If confirmation failed
service/src/java/org/apache/hive/service/server/KillQueryZookeeperManager.java