private static final String DELAYED_UNASSIGNED_SHARDS = "delayed_unassigned_shards";
    private static final String TASK_MAX_WAIT_TIME_IN_QUEUE_IN_MILLIS = "task_max_waiting_in_queue_millis";
    private static final String ACTIVE_SHARDS_PERCENT_AS_NUMBER = "active_shards_percent_as_number";
    private static final String ACTIVE_PRIMARY_SHARDS = "active_primary_shards";

                if (logger.isInfoEnabled()) {
                    logger.info("Cpu Load {}% is greater than {}%. {} waiting thread(s).", current, percent, waitingThreadNames.size());
                }
                if (logger.isDebugEnabled()) {
                    logger.debug("Waiting threads: {}", waitingThreadNames);
                }
                ThreadUtil.sleep(systemCpuCheckInterval);

            destoryTimer.schedule(task, commandTimeout);
            ist.start();

            if (logger.isDebugEnabled()) {
                logger.debug("Waiting for {}.", getName());
            }
            if (!p.waitFor(commandTimeout + commandDestroyTimeout, TimeUnit.MILLISECONDS)) {
                logger.warn("Destroying {} because of the process timeout.", getName());