protected boolean isBelowRetryLimit() {
        int maxAllowedRetries = origin.getMaxRetriesForRequest(context);
        return (attemptNum <= maxAllowedRetries) && isRemoteZuulRetriesBelowRetryLimit(maxAllowedRetries);
    }
Override to track your own request stats.
zuul-core/src/main/java/com/netflix/zuul/filters/endpoint/ProxyEndpoint.java