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[fix](memory) Fix free page not tracking correctly #36768

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merged 1 commit into from
Jun 24, 2024
Merged

[fix](memory) Fix free page not tracking correctly #36768

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25 changes: 9 additions & 16 deletions be/src/olap/page_cache.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,16 +26,14 @@
namespace doris {
template <typename TAllocator>
PageBase<TAllocator>::PageBase(size_t b, bool use_cache, segment_v2::PageTypePB page_type)
: LRUCacheValueBase(),
_size(b),
_capacity(b),
_use_cache(use_cache),
_page_type(page_type) {
if (_use_cache) {
SCOPED_SWITCH_THREAD_MEM_TRACKER_LIMITER(
StoragePageCache::instance()->mem_tracker(_page_type));
_data = reinterpret_cast<char*>(TAllocator::alloc(_capacity, ALLOCATOR_ALIGNMENT_16));
: LRUCacheValueBase(), _size(b), _capacity(b) {
if (use_cache) {
_mem_tracker_by_allocator = StoragePageCache::instance()->mem_tracker(page_type);
} else {
_mem_tracker_by_allocator = thread_context()->thread_mem_tracker_mgr->limiter_mem_tracker();
}
{
SCOPED_SWITCH_THREAD_MEM_TRACKER_LIMITER(_mem_tracker_by_allocator);
_data = reinterpret_cast<char*>(TAllocator::alloc(_capacity, ALLOCATOR_ALIGNMENT_16));
}
}
Expand All @@ -44,13 +42,8 @@ template <typename TAllocator>
PageBase<TAllocator>::~PageBase() {
if (_data != nullptr) {
DCHECK(_capacity != 0 && _size != 0);
if (_use_cache) {
SCOPED_SWITCH_THREAD_MEM_TRACKER_LIMITER(
StoragePageCache::instance()->mem_tracker(_page_type));
TAllocator::free(_data, _capacity);
} else {
TAllocator::free(_data, _capacity);
}
SCOPED_SWITCH_THREAD_MEM_TRACKER_LIMITER(_mem_tracker_by_allocator);
TAllocator::free(_data, _capacity);
}
}

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3 changes: 1 addition & 2 deletions be/src/olap/page_cache.h
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Original file line number Diff line number Diff line change
Expand Up @@ -60,8 +60,7 @@ class PageBase : private TAllocator, public LRUCacheValueBase {
// Effective size, smaller than capacity, such as data page remove checksum suffix.
size_t _size = 0;
size_t _capacity = 0;
bool _use_cache;
segment_v2::PageTypePB _page_type;
std::shared_ptr<MemTrackerLimiter> _mem_tracker_by_allocator;
};

using DataPage = PageBase<Allocator<false>>;
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