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Invoke atomic add for dynamicTrackedMemChunks only when needChunk is not zero

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yanghao
2021-08-24 14:17:29 +08:00
parent 121f1c25c7
commit 706187dfee
1 changed files with 3 additions and 1 deletions
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4
src/common/backend/utils/mmgr/memprot.cpp
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@ -688,7 +688,9 @@ bool memTracker_ReserveMem(int64 requestedBytes, bool needProtect)
t_thrd.utils_cxt.trackedMemChunks = newszChunk;
else
u_sess->stat_cxt.trackedMemChunks = newszChunk;
gs_atomic_add_32(&dynmicTrackedMemChunks, needChunk);
if (needChunk != 0) {
gs_atomic_add_32(&dynmicTrackedMemChunks, needChunk);
}
t_thrd.utils_cxt.basedBytesInQueryLifeCycle += requestedBytes;
if(t_thrd.utils_cxt.basedBytesInQueryLifeCycle > t_thrd.utils_cxt.peakedBytesInQueryLifeCycle)