kv_store_stats.h

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/** @file storage/temptable/include/temptable/kv_store_stats.h
TempTable key-value store stats description. */
 
#ifndef TEMPTABLE_KV_STORE_STATS_H
#define TEMPTABLE_KV_STORE_STATS_H
 
#include <thread>
 
namespace temptable {
 
/** This is a small convenience POD-like type which describes what kind of
 * details we are interested in when monitoring the behavior of Key_value_store.
 * Details directly correlate to the properties of the underlying data-structure
 * that Key_value_store is using.
 * */
struct Key_value_store_stats {
  enum class Event { EMPLACE, ERASE };
  Event event;
  size_t size;
  size_t bucket_count;
  double load_factor;
  double max_load_factor;
  size_t max_bucket_count;
  std::thread::id thread_id;
};
 
}  // namespace temptable
 
#endif /* TEMPTABLE_KV_STORE_STATS_H */