Multi-Version Concurrency Control vs Optimistic Concurrency Control
Developers should learn MVCC when working with databases that require high concurrency, such as in web applications or distributed systems, as it prevents read-write conflicts and reduces locking overhead meets developers should use occ in high-read, low-conflict environments like web applications or distributed systems where performance is critical and locking overhead is undesirable. Here's our take.
Multi-Version Concurrency Control
Developers should learn MVCC when working with databases that require high concurrency, such as in web applications or distributed systems, as it prevents read-write conflicts and reduces locking overhead
Multi-Version Concurrency Control
Nice PickDevelopers should learn MVCC when working with databases that require high concurrency, such as in web applications or distributed systems, as it prevents read-write conflicts and reduces locking overhead
Pros
- +It is essential for implementing snapshot isolation or Serializable Snapshot Isolation (SSI) in databases like PostgreSQL, Oracle, and MySQL (with InnoDB), ensuring consistent reads without blocking writes
- +Related to: database-concurrency, transaction-isolation
Cons
- -Specific tradeoffs depend on your use case
Optimistic Concurrency Control
Developers should use OCC in high-read, low-conflict environments like web applications or distributed systems where performance is critical and locking overhead is undesirable
Pros
- +It's particularly useful for scenarios with infrequent data collisions, such as collaborative editing or e-commerce inventory management, as it reduces blocking and improves throughput compared to pessimistic locking
- +Related to: database-transactions, concurrency-control
Cons
- -Specific tradeoffs depend on your use case
The Verdict
Use Multi-Version Concurrency Control if: You want it is essential for implementing snapshot isolation or serializable snapshot isolation (ssi) in databases like postgresql, oracle, and mysql (with innodb), ensuring consistent reads without blocking writes and can live with specific tradeoffs depend on your use case.
Use Optimistic Concurrency Control if: You prioritize it's particularly useful for scenarios with infrequent data collisions, such as collaborative editing or e-commerce inventory management, as it reduces blocking and improves throughput compared to pessimistic locking over what Multi-Version Concurrency Control offers.
Developers should learn MVCC when working with databases that require high concurrency, such as in web applications or distributed systems, as it prevents read-write conflicts and reduces locking overhead
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