SOFTWARE TESTING METHODOLOGY |btech | R22 | CSE | AI&ML |stm in 2026# stm
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Загружено: 2026-02-23
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STM (Software Transaction Memory) is a concurrency control mechanism.
Key Concepts:
*Transactions*: Sequences of operations treated as a single unit.
*Isolation*: Transactions run independently, avoiding conflicts.
*Atomicity*: All or none of a transaction's changes commit.
Uses:
*Concurrency Control*: Manages shared data access in multi-threaded apps.
*Simplifies Code*: Less error-prone than manual locking.
*Rollback*: Errors? Transaction undone.
Example:
In banking, transfer money between accounts using an STM transaction:
transaction {
accountA -= amount;
accountB += amount;
}
If one fails, both revert
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