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add hysteresis of untracked memory

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serxa 2024-05-30 16:46:13 +00:00
parent c083896c59
commit 47b45fdc1f
1 changed files with 2 additions and 1 deletions
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3
src/Common/CurrentMemoryTracker.cpp
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@ -111,7 +111,8 @@ AllocationTrace CurrentMemoryTracker::free(Int64 size)
if (current_thread) if (current_thread)
{ {
current_thread->untracked_memory -= size; current_thread->untracked_memory -= size;
if (current_thread->untracked_memory < -current_thread->untracked_memory_limit) // Note that we use `max_untracked_memory` and not `untracked_memory_limit` to create hysteresis to avoid track/untrack cycles
if (current_thread->untracked_memory < -current_thread->max_untracked_memory)
{ {
Int64 untracked_memory = current_thread->untracked_memory; Int64 untracked_memory = current_thread->untracked_memory;
current_thread->untracked_memory = 0; current_thread->untracked_memory = 0;