Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.Sign up
Concurrent checkouts leads to incorrect value for product stock #203
When two customers check out concurrently for the same product, only one of the checkouts may be reflected in the final value for product stock.
Steps to reproduce:
We have reproduced this behavior on a single machine, by performing the above steps with one customer in one browser window and another customer in a second browser window with a short communication delay (100 ms) between the database and application. If connecting to the database using unix sockets, the following script can act as a proxy that delays packets: