adequate 基本意思是数量或者程度上“充分的,足够的”,一般指正好够某事或某个场合所需,不会超过很多;adequate 也可以表示性质或者质量上“适当的,适度的,正好合适

如:adequate compensation 适当补偿;adequate remedy at law 法律上的充分救济;adequate manning 充分的船员配备;adequate disclosure 充分披遮。因此在指数量上的足够时

If the backend resource is not providing adequate levels of performance, then neither is the application accessing the backend resource performing at optimum