chenlinzhong commented on code in PR #9245:
URL: https://github.com/apache/incubator-doris/pull/9245#discussion_r859684743
##########
be/src/runtime/tablets_channel.cpp:
##########
@@ -216,12 +216,12 @@ Status TabletsChannel::reduce_mem_usage(int64_t
mem_limit) {
// Sort the DeltaWriters by mem consumption in descend order.
std::vector<DeltaWriter*> writers;
for (auto& it : _tablet_writers) {
+ it.second->save_mem_consumption_snapshot();
Review Comment:
> What's the core reason?
mem_consumption() returned value may be changed during sort period for same
element, this does not meet comp requirements
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