yiguolei commented on a change in pull request #8759:
URL: https://github.com/apache/incubator-doris/pull/8759#discussion_r840999560
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File path: be/src/olap/schema_change.cpp
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@@ -1636,7 +1636,7 @@ OLAPStatus
SchemaChangeHandler::_do_process_alter_tablet_v2(const TAlterTabletRe
break;
}
// set state to ready
- WriteLock new_wlock(new_tablet->get_header_lock());
+ std::lock_guard<std::shared_mutex>
new_wlock(new_tablet->get_header_lock());
Review comment:
sometimes lock guard, sometimes unique_lock what's the difference?
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