weizuo93 commented on code in PR #10298:
URL: https://github.com/apache/doris/pull/10298#discussion_r923433112
##########
be/src/runtime/tablets_channel.cpp:
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@@ -102,7 +111,7 @@ Status TabletsChannel::close(int sender_id, int64_t
backend_id, bool* finished,
_state = kFinished;
// All senders are closed
// 1. close all delta writers
- std::vector<DeltaWriter*> need_wait_writers;
+ std::set<DeltaWriter*> need_wait_writers;
Review Comment:
> Why change to std::set?
Element erase operation will follow and std::set is more efficient than
std::vector to execute `erase`.
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