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fix(collector): fix unexpected crash #984

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merged 3 commits into from
May 29, 2022
Merged

fix(collector): fix unexpected crash #984

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8c3a27c
修复 collector 异常退出
felixdae May 28, 2022
116590f
simplify code
felixdae May 29, 2022
3100626
fix unittest
felixdae May 29, 2022
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4 changes: 2 additions & 2 deletions src/server/hotspot_partition_calculator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,8 @@ void hotspot_partition_calculator::init_perf_counter(int partition_count)
void hotspot_partition_calculator::stat_histories_analyse(uint32_t data_type,
std::vector<int> &hot_points)
{
int hot_point_size = _hot_points.size();
hot_points.assign(hot_point_size, 0);
double table_qps_sum = 0, standard_deviation = 0, table_qps_avg = 0;
int sample_count = 0;
for (const auto &one_partition_stat_histories : _partitions_stat_histories) {
Expand All @@ -116,8 +118,6 @@ void hotspot_partition_calculator::stat_histories_analyse(uint32_t data_type,
}
standard_deviation = sqrt(standard_deviation / (sample_count - 1));
const auto &anly_data = _partitions_stat_histories.back();
int hot_point_size = _hot_points.size();
hot_points.resize(hot_point_size);
for (int i = 0; i < hot_point_size; i++) {
double hot_point = 0;
if (standard_deviation != 0) {
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