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fix(block_cache): don't prefetch blocks that are in the active list

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This commit is contained in:
Marcus Holland-Moritz 2025-03-28 22:30:54 +01:00
parent 06b7ddc533
commit 415d570cf2
1 changed files with 2 additions and 1 deletions
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3
src/reader/internal/block_cache.cpp
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@ -383,7 +383,8 @@ class block_cache_ final : public block_cache::impl {
if (auto next = seq_access_detector_->prefetch()) {
std::lock_guard lock(mx_);
if (cache_.findWithoutPromotion(*next) == cache_.end()) {
if (cache_.findWithoutPromotion(*next) == cache_.end() &&
active_.find(*next) == active_.end()) {
sequential_prefetches_.fetch_add(1, std::memory_order_relaxed);
create_cached_block(*next, std::promise<block_range>{}, 0,
std::numeric_limits<size_t>::max());