if (configuredWindowSize < minimumWindowSize) {
            logger.warn("Configured rank.fusion.window_size ({}) is less than required minimum size ({}). " + "Using minimum size instead.",
                    configuredWindowSize, minimumWindowSize);
            this.windowSize = minimumWindowSize;
        } else {
            this.windowSize = configuredWindowSize;
        }

        if (logger.isDebugEnabled()) {