throttlerdata

type Configuration struct {

	// target_replication_lag_sec is the replication lag (in seconds) the
	// MaxReplicationLagModule tries to aim for.
	// If it is within the target, it tries to increase the throttler
	// rate, otherwise it will lower it based on an educated guess of the
	// replica's throughput.
	TargetReplicationLagSec int64 `` /* 135-byte string literal not displayed */
	// max_replication_lag_sec is meant as a last resort.
	// By default, the module tries to find out the system maximum capacity while
	// trying to keep the replication lag around "target_replication_lag_sec".
	// Usually, we'll wait min_duration_between_(increases|decreases)_sec to see
	// the effect of a throttler rate change on the replication lag.
	// But if the lag goes above this field's value we will go into an "emergency"
	// state and throttle more aggressively (see "emergency_decrease" below).
	// This is the only way to ensure that the system will recover.
	MaxReplicationLagSec int64 `` /* 126-byte string literal not displayed */
	// initial_rate is the rate at which the module will start.
	InitialRate int64 `protobuf:"varint,3,opt,name=initial_rate,json=initialRate,proto3" json:"initial_rate,omitempty"`
	// max_increase defines by how much we will increase the rate
	// e.g. 0.05 increases the rate by 5% while 1.0 by 100%.
	// Note that any increase will let the system wait for at least
	// (1 / MaxIncrease) seconds. If we wait for shorter periods of time, we
	// won't notice if the rate increase also increases the replication lag.
	// (If the system was already at its maximum capacity (e.g. 1k QPS) and we
	// increase the rate by e.g. 5% to 1050 QPS, it will take 20 seconds until
	// 1000 extra queries are buffered and the lag increases by 1 second.)
	MaxIncrease float64 `protobuf:"fixed64,4,opt,name=max_increase,json=maxIncrease,proto3" json:"max_increase,omitempty"`
	// emergency_decrease defines by how much we will decrease the current rate
	// if the observed replication lag is above "max_replication_lag_sec".
	// E.g. 0.50 decreases the current rate by 50%.
	EmergencyDecrease float64 `protobuf:"fixed64,5,opt,name=emergency_decrease,json=emergencyDecrease,proto3" json:"emergency_decrease,omitempty"`
	// min_duration_between_increases_sec specifies how long we'll wait at least
	// for the last rate increase to have an effect on the system.
	MinDurationBetweenIncreasesSec int64 `` /* 158-byte string literal not displayed */
	// max_duration_between_increases_sec specifies how long we'll wait at most
	// for the last rate increase to have an effect on the system.
	MaxDurationBetweenIncreasesSec int64 `` /* 158-byte string literal not displayed */
	// min_duration_between_decreases_sec specifies how long we'll wait at least
	// for the last rate decrease to have an effect on the system.
	MinDurationBetweenDecreasesSec int64 `` /* 158-byte string literal not displayed */
	// spread_backlog_across_sec is used when we set the throttler rate after
	// we guessed the rate of a replica and determined its backlog.
	// For example, at a guessed rate of 100 QPS and a lag of 10s, the replica has
	// a backlog of 1000 queries.
	// When we set the new, decreased throttler rate, we factor in how long it
	// will take the replica to go through the backlog (in addition to new
	// requests). This field specifies over which timespan we plan to spread this.
	// For example, for a backlog of 1000 queries spread over 5s means that we
	// have to further reduce the rate by 200 QPS or the backlog will not be
	// processed within the 5 seconds.
	SpreadBacklogAcrossSec int64 `` /* 132-byte string literal not displayed */
	// ignore_n_slowest_replicas will ignore replication lag updates from the
	// N slowest REPLICA tablets. Under certain circumstances, replicas are still
	// considered e.g. a) if the lag is at most max_replication_lag_sec, b) there
	// are less than N+1 replicas or c) the lag increased on each replica such
	// that all replicas were ignored in a row.
	IgnoreNSlowestReplicas int32 `` /* 133-byte string literal not displayed */
	// ignore_n_slowest_rdonlys does the same thing as ignore_n_slowest_replicas
	// but for RDONLY tablets. Note that these two settings are independent.
	IgnoreNSlowestRdonlys int32 `` /* 130-byte string literal not displayed */
	// age_bad_rate_after_sec is the duration after which an unchanged bad rate
	// will "age out" and increase by "bad_rate_increase".
	// Bad rates are tracked by the code in memory.go and serve as an upper bound
	// for future rate changes. This ensures that the adaptive throttler does not
	// try known too high (bad) rates over and over again.
	// To avoid that temporary degradations permanently reduce the maximum rate,
	// a stable bad rate "ages out" after "age_bad_rate_after_sec".
	AgeBadRateAfterSec int64 `protobuf:"varint,12,opt,name=age_bad_rate_after_sec,json=ageBadRateAfterSec,proto3" json:"age_bad_rate_after_sec,omitempty"`
	// bad_rate_increase defines the percentage by which a bad rate will be
	// increased when it's aging out.
	BadRateIncrease float64 `protobuf:"fixed64,13,opt,name=bad_rate_increase,json=badRateIncrease,proto3" json:"bad_rate_increase,omitempty"`
	// max_rate_approach_threshold is the fraction of the current rate limit that the actual
	// rate must exceed for the throttler to increase the limit when the replication lag
	// is below target_replication_lag_sec. For example, assuming the actual replication lag
	// is below target_replication_lag_sec, if the current rate limit is 100, then the actual
	// rate must exceed 100*max_rate_approach_threshold for the throttler to increase the current
	// limit.
	MaxRateApproachThreshold float64 `` /* 140-byte string literal not displayed */
	// contains filtered or unexported fields
}

type GetConfigurationRequest struct {

	// throttler_name specifies which throttler to select. If empty, all active
	// throttlers will be selected.
	ThrottlerName string `protobuf:"bytes,1,opt,name=throttler_name,json=throttlerName,proto3" json:"throttler_name,omitempty"`
	// contains filtered or unexported fields
}

type GetConfigurationResponse struct {

	// max_rates returns the configurations for each throttler.
	// It's keyed by the throttler name.
	Configurations map[string]*Configuration `` /* 169-byte string literal not displayed */
	// contains filtered or unexported fields
}

type MaxRatesRequest struct {
	// contains filtered or unexported fields
}

type MaxRatesResponse struct {

	// max_rates returns the max rate for each throttler. It's keyed by the
	// throttler name.
	Rates map[string]int64 `` /* 152-byte string literal not displayed */
	// contains filtered or unexported fields
}

type ResetConfigurationRequest struct {

	// throttler_name specifies which throttler to reset. If empty, all active
	// throttlers will be reset.
	ThrottlerName string `protobuf:"bytes,1,opt,name=throttler_name,json=throttlerName,proto3" json:"throttler_name,omitempty"`
	// contains filtered or unexported fields
}

type ResetConfigurationResponse struct {

	// names is the list of throttler names which were updated.
	Names []string `protobuf:"bytes,1,rep,name=names,proto3" json:"names,omitempty"`
	// contains filtered or unexported fields
}

type SetMaxRateRequest struct {
	Rate int64 `protobuf:"varint,1,opt,name=rate,proto3" json:"rate,omitempty"`
	// contains filtered or unexported fields
}

type SetMaxRateResponse struct {

	// names is the list of throttler names which were updated.
	Names []string `protobuf:"bytes,1,rep,name=names,proto3" json:"names,omitempty"`
	// contains filtered or unexported fields
}

type UpdateConfigurationRequest struct {

	// throttler_name specifies which throttler to update. If empty, all active
	// throttlers will be updated.
	ThrottlerName string `protobuf:"bytes,1,opt,name=throttler_name,json=throttlerName,proto3" json:"throttler_name,omitempty"`
	// configuration is the new (partial) configuration.
	Configuration *Configuration `protobuf:"bytes,2,opt,name=configuration,proto3" json:"configuration,omitempty"`
	// copy_zero_values specifies whether fields with zero values should be copied
	// as well.
	CopyZeroValues bool `protobuf:"varint,3,opt,name=copy_zero_values,json=copyZeroValues,proto3" json:"copy_zero_values,omitempty"`
	// contains filtered or unexported fields
}

type UpdateConfigurationResponse struct {

	// names is the list of throttler names which were updated.
	Names []string `protobuf:"bytes,1,rep,name=names,proto3" json:"names,omitempty"`
	// contains filtered or unexported fields
}