Monotonic reads.
also: monotonic read · monotonic read consistencyOnce a user has seen a version of the data, later reads never show them an older version.
the two-minute refresher
- Without it, two reads hitting replicas with different lag make data jump back in time.
- Implement it by pinning a user's session to one replica.
- Needed for comment threads and timelines that must not reorder or vanish.