protected int calculateConcurency() {
        int customLimit = filterConcurrencyCustom.get();
        return customLimit != DEFAULT_FILTER_CONCURRENCY_LIMIT ? customLimit : filterConcurrencyDefault.get();
    }
If true, the filter has been disabled by archaius and will not be run.
zuul-core/src/main/java/com/netflix/zuul/filters/BaseFilter.java