levy5307 commented on a change in pull request #604:
URL: https://github.com/apache/incubator-pegasus/pull/604#discussion_r490689464
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File path: src/server/hotspot_partition_calculator.cpp
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@@ -128,6 +147,36 @@ void hotspot_partition_calculator::data_analyse()
stat_histories_analyse(data_type, hot_points);
update_hot_point(data_type, hot_points);
}
+ if (!FLAGS_enable_hotkey_auto_detect) {
+ return;
+ }
+ for (int data_type = 0; data_type <= 1; data_type++) {
+ detect_hotkey_in_hotpartition(data_type);
+ }
+}
+
+void hotspot_partition_calculator::detect_hotkey_in_hotpartition(int data_type)
+{
+ for (int index = 0; index < _hot_points.size(); index++) {
+ if (_hot_points[index][data_type].get()->get_value() >=
FLAGS_hot_partition_threshold) {
+ if (++_hotpartition_pool[index][data_type] >=
FLAGS_occurrence_threshold) {
+ derror_f("Find a {} hot partition {}.{}",
+ (data_type == partition_qps_type::READ_HOTSPOT_DATA ?
"read" : "write"),
+ _app_name,
+ index);
+ FAIL_POINT_INJECT_F("send_hotkey_detect_request",
[](dsn::string_view) {});
Review comment:
you can move this fail point into func `send_hotkey_detect_request`
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