public boolean isUseRDMA() {
    String value = getProperty(USE_RDMA, "auto");
    return "true".equals(value) || ("auto".equals(value) && isRdmaAvailable());
}

public String getRdmaProvider() {
    return getProperty(RDMA_PROVIDER, "auto");  // auto, disni, jxio, tcp
}

public int getRdmaReadWriteThreshold() {
    return getIntProperty(RDMA_READ_WRITE_THRESHOLD, 8192);  // 8KB
}

        PropertyConfiguration config = new PropertyConfiguration(props);

        // Test default values
        assertFalse(config.isUseRDMA(), "RDMA should be disabled by default");
        assertEquals("auto", config.getRdmaProvider(), "Default provider should be auto");
        assertEquals(8192, config.getRdmaReadWriteThreshold(), "Default threshold should be 8KB");

        return this.maxDirectoryCacheEntries;
    }

    @Override
    public boolean isUseRDMA() {
        return this.useRDMA;
    }

    @Override
    public String getRdmaProvider() {
        return this.rdmaProvider;
    }

    @Override
    public int getRdmaReadWriteThreshold() {
        return this.rdmaReadWriteThreshold;
    }

    @Override

     * @return RDMA provider instance, or null if none available
     */
    public static RdmaProvider getProvider(Configuration config) {
        String preference = config.getRdmaProvider();
        return createProvider(preference != null ? preference : "auto");
    }

    /**
     * Select the best available RDMA provider
     *
     * @return best RDMA provider, or null if none available