Performance Tuning · interview question
How does the 'jstack' tool help in diagnosing a deadlock situation?
Multiple choiceMediumchapter-14-curatedpremiumperformance-tuningthread-dumps
Answer and explanation
Correct answer
C. By showing threads and their current states
Why
The 'jstack' tool generates a thread dump which includes the current state of each thread. This information can reveal if threads are waiting for locks held by each other, indicating a deadlock.
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