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kv: Add server option for maximum number of intents per WriteIntentError for scans #64783

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#65465
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kv: Add server option for maximum number of intents per WriteIntentError for scans#64783
#65465
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aliher1911
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A-kv-transactionsRelating to MVCC and the transactional model.A-storageRelating to our storage engine (Pebble) on-disk storage.C-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)N-followupNeeds followup.O-postmortemOriginated from a Postmortem action item.T-kvKV Team
@aliher1911

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@aliher1911
aliher1911
opened on May 6, 2021

We added batching of discovered intents for subsequent resolutions during sst exports similar to what scan does (Issue: #59704, PR: #64131). On top of that, the change provides an option to limit number of collected intents to keep batch size predictable.

We may consider using the same approach to MVCCScan to make number of collected intents capped.

Epic: CRDB-2554

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A-kv-transactionsRelating to MVCC and the transactional model.A-storageRelating to our storage engine (Pebble) on-disk storage.C-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)N-followupNeeds followup.O-postmortemOriginated from a Postmortem action item.T-kvKV Team

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