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fix: Protect BumpUp() from running in parallel to serialization (#4307)

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* protect BumpUp() from running in parallel to serialization
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Shahar Mike 2024-12-13 11:06:31 +02:00 committed by GitHub
parent 55bc981a7e
commit 027d76c13d
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src/server/db_slice.cc
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@ -468,6 +468,7 @@ OpResult<DbSlice::PrimeItAndExp> DbSlice::FindInternal(const Context& cntx, std:
db.prime.CVCUponBump(change_cb_.back().first, res.it, bump_cb); db.prime.CVCUponBump(change_cb_.back().first, res.it, bump_cb);
} }
block_counter_.Wait(); // We must not change the bucket's internal order during serialization
auto bump_it = db.prime.BumpUp(res.it, PrimeBumpPolicy{&fetched_items_}); auto bump_it = db.prime.BumpUp(res.it, PrimeBumpPolicy{&fetched_items_});
if (bump_it != res.it) { // the item was bumped if (bump_it != res.it) { // the item was bumped
res.it = bump_it; res.it = bump_it;