private byte[] compressedByte(final byte[] srcByte) {
        LZ4Factory factory = LZ4Factory.fastestInstance();
        LZ4Compressor compressor = factory.fastCompressor();
        return compressor.compress(srcByte);
    }
build the log msg bytes.

@param log log
@return log msg bytes
shenyu-plugin/shenyu-plugin-logging/shenyu-plugin-logging-rabbitmq/src/main/java/org/apache/shenyu/plugin/logging/rabbitmq/client/RabbitmqLogCollectClient.java