In distributed systems, what is a cache stampede and how is it typically mitigated?
- A cache stampede is a networking issue that results in delayed cache updates.
- A cache stampede is a planned event in which caches are forcibly cleared and refreshed simultaneously.
- A cache stampede is an outdated concept and is no longer relevant in modern distributed systems.
- A cache stampede is when multiple processes or nodes simultaneously attempt to load the same cache entry that is currently not in the cache.
A cache stampede occurs when multiple processes try to load the same cache entry simultaneously. It is typically mitigated by using cache locks, semaphore mechanisms, or by allowing only one process to regenerate the cache entry.
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