lingbin commented on a change in pull request #2933: Use `std::bind` to replace
`boost::bind` in flush-executor
URL: https://github.com/apache/incubator-doris/pull/2933#discussion_r380753659
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File path: be/src/olap/memtable_flush_executor.cpp
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@@ -35,15 +31,15 @@ std::ostream& operator<<(std::ostream& os, const
FlushStatistic& stat) {
}
OLAPStatus FlushToken::submit(std::shared_ptr<MemTable> memtable) {
Review comment:
After the `submit()` returns, the upper layer will immediately reset the
`memtable` (let it be `nullptr`), and the lower thread pool may not yet start
processing it. If a reference is used, when the thread pool starts to process
this `memtable`, the corresponding object may have become invalid.
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