Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I am using the Python standard uuid library. If my application eventually scales out to multiple servers, what should I be doing to ensure that the UUIDs don’t collide, since the different systems will be using different machine ids? Which of the UUID generators should I use?
uuid1()should be sufficient for your needs, since it takes the host ID into account.In section 4.2.2 of RFC 4122, this is the key bit:
The node field is the last 6 bytes of the UUID and will reflect one of the MAC addresses of the host in question.