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kvserver: garbage collect MVCC range tombstones #70414

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kvserver: garbage collect MVCC range tombstones#70414
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aliher1911
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A-kv-transactionsRelating to MVCC and the transactional model.C-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)
@erikgrinaker

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@erikgrinaker
erikgrinaker
opened on Sep 20, 2021

In #70412, we will implement MVCC range deletion tombstones. MVCC garbage collection must be extended to handle these, preferably by relying on Pebble range tombstones via Writer.ClearRange for <<O(n) removals when possible.

See also the (currently internal) design document.

Epic CRDB-2624

Jira issue: CRDB-10064

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A-kv-transactionsRelating to MVCC and the transactional model.C-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)

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