/*
* WiredTiger internal operations such as rollback to stable and prepare transaction
* rollback adds a globally visible tombstone to the update chain to remove the entire key.
* Treating these globally visible tombstones as obsolete and trimming update list can cause
* problems if the update chain is getting accessed somewhere else. To avoid this problem,
* skip these globally visible tombstones from the update obsolete check that were generated
* from prepare transaction rollback but not from RTS, because there are no concurrent
* operations run in parallel to the RTS to be affected.
*/
if (upd->txnid == WT_TXN_NONE && upd->upd_start_ts == WT_TS_NONE &&
upd->type == WT_UPDATE_TOMBSTONE && upd->next != NULL &&
upd->next->txnid == WT_TXN_ABORTED) {
WT_ACQUIRE_READ(prepare_state, upd->next->prepare_state);
/* We may see a locked prepare state if we race with prepare rollback. */
if (prepare_state == WT_PREPARE_INPROGRESS || prepare_state == WT_PREPARE_LOCKED)
continue;
}
This check in the obsolete check can be simplified because of the recent check.
- related to
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WT-15086 Eviction thread panic during connection close with disagg enabled
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- Closed
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- Closed
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- Closed
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- Closed
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- Closed
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WT-15210 Change eviction to scrub eviction when the cache usage is less than eviction target
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- Closed
-
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WT-15315 Add 8.2 into the compatibility tests
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- Closed
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- Closed
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- Closed
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WT-14836 Add support for unclean shutdown in compatibility tests
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- Closed
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- Closed
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