statistics.hpp File Reference

Statistics helpers. More...

#include <unordered_map>
#include <vector>
#include <userver/storages/postgres/detail/time_types.hpp>
#include <userver/congestion_control/controllers/linear.hpp>
#include <userver/utils/statistics/min_max_avg.hpp>
#include <userver/utils/statistics/percentile.hpp>
#include <userver/utils/statistics/recentperiod.hpp>
#include <userver/utils/statistics/relaxed_counter.hpp>
#include <userver/utils/statistics/writer.hpp>

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Classes
struct	storages::postgres::TransactionStatistics< Counter, PercentileAccumulator >
	Template transaction statistics storage. More...
struct	storages::postgres::ConnectionStatistics< Counter, MmaAccumulator >
	Template connection statistics storage. More...
struct	storages::postgres::InstanceTopologyStatistics< MmaAccumulator >
	Template instance topology statistics storage. More...
struct	storages::postgres::InstanceStatisticsTemplate< Counter, PercentileAccumulator, MmaAccumulator >
	Template instance statistics storage. More...
struct	storages::postgres::InstanceStatisticsNonatomic
struct	storages::postgres::InstanceStatsDescriptor
	Instance statistics with description. More...
struct	storages::postgres::ClusterStatistics
	Cluster statistics storage. More...

Namespaces
namespace	storages
	Components, clients and helpers for different databases and storages.
namespace	storages::postgres
	Top namespace for uPg driver.

Typedefs
using	storages::postgres::Percentile = ::utils::statistics::Percentile< 2048 >
using	storages::postgres::MinMaxAvg = ::utils::statistics::MinMaxAvg< uint32_t >
using	storages::postgres::InstanceStatistics = InstanceStatisticsTemplate< ::utils::statistics::RelaxedCounter< uint32_t >, ::utils::statistics::RecentPeriod< Percentile, Percentile, detail::SteadyClock >, ::utils::statistics::RecentPeriod< MinMaxAvg, MinMaxAvg, detail::SteadyClock > >
using	storages::postgres::InstanceStatisticsNonatomicBase = InstanceStatisticsTemplate< uint32_t, Percentile, MinMaxAvg >
using	storages::postgres::ClusterStatisticsPtr = std::unique_ptr< ClusterStatistics >

Functions
void	storages::postgres::DumpMetric (::utils::statistics::Writer &writer, const InstanceStatisticsNonatomic &stats)
void	storages::postgres::DumpMetric (::utils::statistics::Writer &writer, const InstanceStatsDescriptor &value)
	InstanceStatsDescriptor values support for utils::statistics::Writer.
void	storages::postgres::DumpMetric (::utils::statistics::Writer &writer, const ClusterStatistics &value)
	ClusterStatistics values support for utils::statistics::Writer.

Detailed Description

Statistics helpers.

Definition in file statistics.hpp.