80 struct TraceStats {  struct
81   uint32_t cf_id;
82   std::string cf_name;
83   uint64_t a_count;
84   uint64_t a_succ_count;
85   uint64_t a_key_id;
86   uint64_t a_key_size_sqsum;
87   uint64_t a_key_size_sum;
88   uint64_t a_key_mid;
89   uint64_t a_value_size_sqsum;
90   uint64_t a_value_size_sum;
91   uint64_t a_value_mid;
92   uint32_t a_peak_qps;
93   double a_ave_qps;
94   std::map<std::string, StatsUnit> a_key_stats;
95   std::map<uint64_t, uint64_t> a_count_stats;
96   std::map<uint64_t, uint64_t> a_key_size_stats;
97   std::map<uint64_t, uint64_t> a_value_size_stats;
98   std::map<uint32_t, uint32_t> a_qps_stats;
99   std::map<uint32_t, std::map<std::string, uint32_t>> a_qps_prefix_stats;
103       top_k_queue;
107       top_k_prefix_access;
132   TraceStats();  argument
135   TraceStats& operator=(const TraceStats&) = delete;  argument
137   TraceStats& operator=(TraceStats&&) = default;  argument