@SuppressWarnings("unchecked")
	public boolean hasTooManyError(PerfTest perfTest) {
		SamplingModel samplingModel = hazelcastService.get(DIST_MAP_NAME_SAMPLING, perfTest.getId());
		if (samplingModel == null) {
			return false;
		}
		Map<String, Object> result = JsonUtils.deserialize(samplingModel.getRunningSample(), HashMap.class);
		Map<String, Object> totalStatistics = MapUtils.getMap(result, "totalStatistics", MapUtils.EMPTY_MAP);
		long tests = MapUtils.getDouble(totalStatistics, "Tests", 0D).longValue();
		long errors = MapUtils.getDouble(totalStatistics, "Errors", 0D).longValue();
		return ((((double) errors) / (tests + errors)) > 0.3d);
	}
Check if the given perfTest has too many errors. (30%)

@param perfTest perftest
@return true if too many errors.
ngrinder-controller/src/main/java/org/ngrinder/perftest/service/PerfTestService.java