Scenario: A DBA needs to optimize the concurrency control mechanism for a high-traffic database in DB2.
- Enforcing shorter transaction lifecycles to reduce lock duration.
- Implementing row-level locking to minimize lock contention.
- Increasing the isolation level to ensure stricter locking.
- Utilizing lock avoidance techniques such as optimistic concurrency control.
To optimize concurrency in a high-traffic DB2 database, implementing row-level locking can minimize lock contention, as it allows multiple transactions to access different rows simultaneously. This approach reduces the likelihood of transactions waiting for locks, thus improving overall system throughput without compromising data consistency.
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