Multiple ChoiceIntermediate 45s
TTL jitter
Why is adding random jitter to cache TTLs a common production practice?
Options
- 1To make the cache's hash function spread keys uniformly across buckets so no shard becomes hot
- 2To improve TLS handshake latency by letting the cache reuse session tickets to the origin
- 3To satisfy GDPR retention rules, which require cached personal data be purged after a set time
- 4To reduce the chance many keys expire simultaneously and cause a synchronized stampede
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