public static double getWeightRecoverRate(String appName) {
        FaultToleranceConfig config = getConfig(appName);
        return config.getWeightRecoverRate();
    }
Gets weight recover rate.

@param appName the app name
@return the weight recover rate
fault/fault-tolerance/src/main/java/com/alipay/sofa/rpc/client/aft/FaultToleranceConfigManager.java