How do I implement optimistic concurrency control in my application?
An example of an AI chatbot conversation about implementing optimistic concurrency control in applications.
How do I implement optimistic concurrency control in my application?
Optimistic concurrency control (OCC) allows multiple transactions to occur without locking resources. You can implement it by using versioning or timestamps.
Can you explain how versioning works in OCC?
Sure! In versioning, each record has a version number. When a transaction reads a record, it also reads the version. Before updating, it checks if the version is unchanged. If it has changed, the transaction fails.
What happens if a transaction fails due to version mismatch?
If a transaction fails, it can be retried. The application should handle the failure gracefully, possibly prompting the user to refresh their data.
Are there any downsides to using optimistic concurrency control?
Yes, OCC can lead to increased transaction failures under high contention, as more transactions may conflict. It's best used when conflicts are rare.
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