weizuo93 commented on a change in pull request #4837:
URL: https://github.com/apache/incubator-doris/pull/4837#discussion_r519575666
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File path: be/src/olap/tablet.cpp
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@@ -1309,4 +1311,16 @@ void
Tablet::generate_tablet_meta_copy_unlocked(TabletMetaSharedPtr new_tablet_m
new_tablet_meta->init_from_pb(tablet_meta_pb);
}
+double Tablet::calculate_scan_frequency() {
+ time_t now = time(nullptr);
+ int64_t current_count = query_scan_count->value();
+ double interval = difftime(now, _last_record_scan_count_timestamp);
+ double scan_frequency = (current_count - _last_record_scan_count) * 60 /
interval;
Review comment:
> Why multi 60?
It means the average count of tablet scans for each minute, Otherwise it
will be the average count of tablet scans for each second .
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