@JsonPropertyDescription(
            "Determines whether/how statistics are captured on cache usage " +
            "(e.g. hits, misses, entries, etc.). Values are (NONE, INTERNAL, DROPWIZARD_METRICS). " +
            "NONE means capture no stats, offering a very slight performance gain, but the Caches screen in Stroom " +
            "won't be able to show any stats for this cache. " +
            "INTERNAL means the stats are captured but are only accessible via the Stroom Caches screen, thus not " +
            "suitable for Stroom-Proxy. " +
            "DROPWIZARD_METRICS means the stats are captured and are accessible via the Stroom Caches screen AND via " +
            "the metrics servlet on the admin port for integration with tools like Graphite/Collectd.")
    @JsonProperty(PROP_NAME_STATISTICS_MODE)
    @RequiresRestart(RestartScope.SYSTEM)
    public StatisticsMode getStatisticsMode() {
        return statisticsMode;
    }
The default {@link StatisticsMode} to use with stroom-proxy.
stroom-util/src/main/java/stroom/util/cache/CacheConfig.java