qrt

Documentation

Index

• type MysqlQrtBucket
  • func NewMysqlQrtBucket(time float64, count int64, total float64) MysqlQrtBucket
• type MysqlQrtHistogram
  • func (h MysqlQrtHistogram) Count() int64
  • func (h MysqlQrtHistogram) Len() int
  • func (h MysqlQrtHistogram) Less(i, j int) bool
  • func (h MysqlQrtHistogram) Percentile(p float64) float64
  • func (h MysqlQrtHistogram) Swap(i, j int)

Types

type MysqlQrtBucket

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

MysqlQrtBucket : https://www.percona.com/doc/percona-server/5.6/diagnostics/response_time_distribution.html Represents a row from information_schema.Query_Response_Time

func NewMysqlQrtBucket

func NewMysqlQrtBucket(time float64, count int64, total float64) MysqlQrtBucket

NewMysqlQrtBucket Public way to return a QRT bucket to be appended to a Histogram

type MysqlQrtHistogram

type MysqlQrtHistogram []MysqlQrtBucket

MysqlQrtHistogram represents a histogram containing MySQLQRTBuckets. Where each bucket is a bin.

func (MysqlQrtHistogram) Count

func (h MysqlQrtHistogram) Count() int64

Count for QRT Histogram

func (MysqlQrtHistogram) Len

func (h MysqlQrtHistogram) Len() int

Sort for QRT Histogram

func (MysqlQrtHistogram) Less

func (h MysqlQrtHistogram) Less(i, j int) bool

func (MysqlQrtHistogram) Percentile

func (h MysqlQrtHistogram) Percentile(p float64) float64

Percentile for QRTHistogram p should be p/100 where p is requested percentile (example: 0.10 for 10th percentile) Percentile is defined as the weighted of the percentiles of lowest bin that is greater than the requested percentile rank

func (MysqlQrtHistogram) Swap

func (h MysqlQrtHistogram) Swap(i, j int)