* @param isPerformanceCountingEnabled whether to track the message rate here, see {@link #getNumLiveDataUpdatesSentPerSecondOverLastMinute()}
*/
protected StandardLiveDataServer(CacheManager cacheManager, boolean isPerformanceCountingEnabled) {
ArgumentChecker.notNull(cacheManager, "cacheManager");
_cacheManager = cacheManager;
_performanceCounter = isPerformanceCountingEnabled ? new PerformanceCounter(60) : null;
}