Hey, dolphins! Ready to test your NDB backup and restore skills?
Q1: You have a large database which takes 3 hours to back up. Insert/update/delete traffic will run during the backup. How do you run a backup so that none of the inserts/updates/deletes which are executed after the start of the backup are reflected in the backup files?…
A MySQL User Camp was held on 5th March 2020 at Oracle India Pvt Ltd, Kalyani Magnum Infotech Park, Bangalore, India. The attendees included developers, DBAs and trainers from Amex, Robert Bosch, Flipkart and others.
Sanjay Manwani, the Senior Director of MySQL Engineering India, presented an informative session which highlighted MySQL’s recent achievements like the DB of the Year award and the #1 ranking in the Most Popular DB with Developers StackOverflow survey.…
This is a description of the simplest case of 2-phase commit (2PC) in NDBCluster: one transaction, containing a single insert, update or delete operation on a single row. The PREPARE phase of the 2PC is initiated by the API node (which is a mysqld or a NoSQL client) sending a TCKEYREQ to the Transaction Coordinator of a data node.…