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metrics.go
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metrics.go
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package models
import (
"bytes"
"log"
"reflect"
"strings"
"text/template"
"time"
)
// Metrics provire instruments to works with metrics
type metrics struct{}
// Metrics instance of metrics model
var Metrics = metrics{}
type metricGroup struct {
Basic bool
PerconaServer bool `db:"percona_server"`
PerformanceSchema bool `db:"performance_schema"`
ServerSummary bool
CountField string
}
type args struct {
ClassID uint `db:"class_id"`
InstanceID uint `db:"instance_id"`
Begin time.Time
End time.Time
EndTS int64 `db:"end_ts"`
IntervalTS int64 `db:"interval_ts"`
}
const metricGroupQuery = `
SELECT
IFNULL((SELECT true FROM query_global_metrics
WHERE instance_id = :instance_id AND (start_ts >= :begin AND start_ts < :end)
AND Query_time_sum IS NOT NULL
LIMIT 1), false) AS basic,
IFNULL((SELECT true FROM query_global_metrics
WHERE instance_id = :instance_id AND (start_ts >= :begin AND start_ts < :end)
AND Rows_affected_sum IS NOT NULL
LIMIT 1), false) AS percona_server,
IFNULL((SELECT true FROM query_global_metrics
WHERE instance_id = :instance_id AND (start_ts >= :begin AND start_ts < :end)
AND Errors_sum IS NOT NULL
LIMIT 1), false) AS performance_schema;
`
func (m metrics) identifyMetricGroup(instanceID uint, begin, end time.Time) metricGroup {
currentMetricGroup := metricGroup{}
currentMetricGroup.CountField = "query_count"
args := struct {
InstanceID uint `db:"instance_id"`
Begin time.Time
End time.Time
}{
instanceID,
begin,
end,
}
if nstmt, err := db.PrepareNamed(metricGroupQuery); err != nil {
log.Fatalln(err)
} else if err = nstmt.Get(¤tMetricGroup, args); err != nil {
log.Fatalln(err)
}
return currentMetricGroup
}
type classMetrics struct {
generalMetrics
metricsPercentOfTotal
rateMetrics
specialMetrics
}
// GetClassMetrics return metrics for given instance and query class
func (m metrics) GetClassMetrics(classID, instanceID uint, begin, end time.Time) (classMetrics, []rateMetrics) {
currentMetricGroup := m.identifyMetricGroup(instanceID, begin, end)
currentMetricGroup.CountField = "query_count"
intervalTimeMinutes := end.Sub(begin).Minutes()
amountOfPoints := int64(maxAmountOfPoints)
if intervalTimeMinutes < maxAmountOfPoints {
amountOfPoints = int64(intervalTimeMinutes)
}
endTs := end.Unix()
intervalTs := int64(end.Sub(begin).Seconds()) / amountOfPoints
args := args{
classID,
instanceID,
begin,
end,
endTs,
intervalTs,
}
// this two lines should be before ServerSummary = true
generalClassMetrics := m.getMetrics(currentMetricGroup, args)
sparks := m.getSparklines(currentMetricGroup, args, amountOfPoints)
// turns metric group to global
currentMetricGroup.ServerSummary = true
currentMetricGroup.CountField = "total_query_count"
generalGlobalMetrics := m.getMetrics(currentMetricGroup, args)
classMetricsOfTotal := m.computeOfTotal(generalClassMetrics, generalGlobalMetrics)
aMetrics := m.computeRateMetrics(generalClassMetrics, begin, end)
sMetrics := m.computeSpecialMetrics(generalClassMetrics)
classMetrics := classMetrics{
generalMetrics: generalClassMetrics,
metricsPercentOfTotal: classMetricsOfTotal,
rateMetrics: aMetrics,
specialMetrics: sMetrics,
}
return classMetrics, sparks
}
type globalMetrics struct {
generalMetrics
rateMetrics
specialMetrics
}
// GetGlobalMetrics return metrics for given instance
func (m metrics) GetGlobalMetrics(instanceID uint, begin, end time.Time) (globalMetrics, []rateMetrics) {
currentMetricGroup := m.identifyMetricGroup(instanceID, begin, end)
currentMetricGroup.ServerSummary = true
currentMetricGroup.CountField = "total_query_count"
intervalTimeMinutes := end.Sub(begin).Minutes()
endTs := end.Unix()
amountOfPoints := int64(maxAmountOfPoints)
if intervalTimeMinutes < maxAmountOfPoints {
amountOfPoints = int64(intervalTimeMinutes)
}
intervalTs := int64(end.Sub(begin).Seconds()) / amountOfPoints
args := args{
0,
instanceID,
begin,
end,
endTs,
intervalTs,
}
generalGlobalMetrics := m.getMetrics(currentMetricGroup, args)
sparks := m.getSparklines(currentMetricGroup, args, amountOfPoints)
aMetrics := m.computeRateMetrics(generalGlobalMetrics, begin, end)
sMetrics := m.computeSpecialMetrics(generalGlobalMetrics)
globalMetrics := globalMetrics{
generalGlobalMetrics,
aMetrics,
sMetrics,
}
return globalMetrics, sparks
}
func (m metrics) getMetrics(group metricGroup, args args) generalMetrics {
var queryClassMetricsBuffer bytes.Buffer
if tmpl, err := template.New("queryClassMetricsSQL").Parse(queryClassMetricsTemplate); err != nil {
log.Fatalln(err)
} else if err = tmpl.Execute(&queryClassMetricsBuffer, group); err != nil {
log.Fatalln(err)
}
queryClassMetricsSQL := queryClassMetricsBuffer.String()
gMetrics := generalMetrics{}
if nstmt, err := db.PrepareNamed(queryClassMetricsSQL); err != nil {
log.Fatalln(err)
} else if err = nstmt.Get(&gMetrics, args); err != nil {
log.Fatalln(err)
}
return gMetrics
}
func (m metrics) getSparklines(group metricGroup, args args, amountOfPoints int64) []rateMetrics {
var querySparklinesBuffer bytes.Buffer
if tmpl, err := template.New("querySparklinesSQL").Parse(querySparklinesTemplate); err != nil {
log.Fatalln(err)
} else if err = tmpl.Execute(&querySparklinesBuffer, group); err != nil {
log.Fatalln(err)
}
querySparklinesSQL := querySparklinesBuffer.String()
var sparksWithGaps []rateMetrics
if nstmt, err := db.PrepareNamed(querySparklinesSQL); err != nil {
log.Fatalln(err)
} else if err = nstmt.Select(&sparksWithGaps, args); err != nil {
log.Fatalln(err)
}
metricLogRaw := make(map[int64]rateMetrics)
for i := range sparksWithGaps {
key := sparksWithGaps[i].Ts.Unix()
metricLogRaw[key] = sparksWithGaps[i]
}
// fills up gaps in sparklines by zero values
var sparks []rateMetrics
var pointN int64
for pointN = 0; pointN < amountOfPoints; pointN++ {
ts := args.EndTS - pointN*args.IntervalTS
val, ok := metricLogRaw[ts]
if !ok {
val = rateMetrics{Point: pointN, Ts: time.Unix(ts, 0).UTC(), NoData: true}
}
sparks = append(sparks, val)
}
return sparks
}
func (m metrics) computeOfTotal(classMetrics, globalMetrics generalMetrics) metricsPercentOfTotal {
mPercentOfTotal := metricsPercentOfTotal{}
reflectPercentOfTotal := reflect.ValueOf(&mPercentOfTotal).Elem()
reflectClassMetrics := reflect.ValueOf(&classMetrics).Elem()
reflectGlobalMetrics := reflect.ValueOf(&globalMetrics).Elem()
for i := 0; i < reflectPercentOfTotal.NumField(); i++ {
fieldName := reflectPercentOfTotal.Type().Field(i).Name
classVal := reflectClassMetrics.FieldByName(strings.TrimSuffix(fieldName, "_of_total")).Float()
totalVal := reflectGlobalMetrics.FieldByName(strings.TrimSuffix(fieldName, "_of_total")).Float()
var n float64
if totalVal > 0 {
n = classVal / totalVal
}
reflectPercentOfTotal.FieldByName(fieldName).SetFloat(n)
}
return mPercentOfTotal
}
func (m metrics) computeRateMetrics(gMetrics generalMetrics, begin, end time.Time) rateMetrics {
duration := end.Sub(begin).Seconds()
aMetrics := rateMetrics{}
reflectionAdittionalMetrics := reflect.ValueOf(&aMetrics).Elem()
reflectionGeneralMetrics := reflect.ValueOf(&gMetrics).Elem()
for i := 0; i < reflectionAdittionalMetrics.NumField(); i++ {
fieldName := reflectionAdittionalMetrics.Type().Field(i).Name
if strings.HasSuffix(fieldName, "_per_sec") {
generalFieldName := strings.TrimSuffix(fieldName, "_per_sec")
metricVal := reflectionGeneralMetrics.FieldByName(generalFieldName).Float()
reflectionAdittionalMetrics.FieldByName(fieldName).SetFloat(metricVal / duration)
}
}
return aMetrics
}
func (m metrics) computeSpecialMetrics(gMetrics generalMetrics) specialMetrics {
sMetrics := specialMetrics{}
reflectionSpecialMetrics := reflect.ValueOf(&sMetrics).Elem()
reflectionGeneralMetrics := reflect.ValueOf(&gMetrics).Elem()
for i := 0; i < reflectionSpecialMetrics.NumField(); i++ {
field := reflectionSpecialMetrics.Type().Field(i)
fieldName := field.Name
fieldTag := field.Tag.Get("divider")
generalFieldName := strings.Split(fieldName, "_per_")[0]
dividend := reflectionGeneralMetrics.FieldByName(generalFieldName).Float()
divider := reflectionGeneralMetrics.FieldByName(fieldTag).Float()
if divider == 0 {
continue
}
reflectionSpecialMetrics.FieldByName(fieldName).SetFloat(dividend / divider)
}
return sMetrics
}
type specialMetrics struct {
Lock_time_avg_per_query_time float32 `json:",omitempty" divider:"Query_time_avg"`
InnoDB_rec_lock_wait_avg_per_query_time float32 `json:",omitempty" divider:"Query_time_avg"`
InnoDB_IO_r_wait_avg_per_query_time float32 `json:",omitempty" divider:"Query_time_avg"`
InnoDB_queue_wait_avg_per_query_time float32 `json:",omitempty" divider:"Query_time_avg"`
InnoDB_IO_r_bytes_sum_per_io float32 `json:",omitempty" divider:"InnoDB_IO_r_ops_sum"`
QC_Hit_sum_per_query float32 `json:",omitempty" divider:"Query_count"`
Bytes_sent_sum_per_rows float32 `json:",omitempty" divider:"Rows_sent_sum"`
Rows_examined_sum_per_rows float32 `json:",omitempty" divider:"Rows_sent_sum"`
Filesort_sum_per_query float32 `json:",omitempty" divider:"Query_count"`
Filesort_on_disk_sum_per_query float32 `json:",omitempty" divider:"Query_count"`
Merge_passes_sum_per_external_sort float32 `json:",omitempty" divider:"Filesort_sum"`
Full_join_sum_per_query float32 `json:",omitempty" divider:"Query_count"`
Full_scan_sum_per_query float32 `json:",omitempty" divider:"Query_count"`
Tmp_table_sum_per_query float32 `json:",omitempty" divider:"Query_count"`
Tmp_tables_sum_per_query_with_tmp_table float32 `json:",omitempty" divider:"Tmp_table_sum"`
Tmp_table_on_disk_sum_per_query float32 `json:",omitempty" divider:"Query_count"`
Tmp_disk_tables_sum_per_query_with_tmp_table float32 `json:",omitempty" divider:"Tmp_table_on_disk_sum"`
Tmp_table_sizes_sum_per_query_with_any_tmp_table float32 `json:",omitempty" divider:"Total_tmp_tables_sum"` // = Tmp_table_sum + Tmp_table_on_disk_sum
}
type rateMetrics struct {
Point int64
Ts time.Time
NoData bool
Query_count_per_sec float32 `json:",omitempty"`
Query_time_sum_per_sec float32 `json:",omitempty"`
Lock_time_sum_per_sec float32 `json:",omitempty"` // load
InnoDB_rec_lock_wait_sum_per_sec float32 `json:",omitempty"` // load
InnoDB_IO_r_wait_sum_per_sec float32 `json:",omitempty"` // load
InnoDB_IO_r_ops_sum_per_sec float32 `json:",omitempty"`
InnoDB_IO_r_bytes_sum_per_sec float32 `json:",omitempty"`
InnoDB_queue_wait_sum_per_sec float32 `json:",omitempty"` // load
QC_Hit_sum_per_sec float32 `json:",omitempty"`
Rows_sent_sum_per_sec float32 `json:",omitempty"`
Bytes_sent_sum_per_sec float32 `json:",omitempty"`
Rows_examined_sum_per_sec float32 `json:",omitempty"`
Rows_affected_sum_per_sec float32 `json:",omitempty"`
Filesort_sum_per_sec float32 `json:",omitempty"`
Filesort_on_disk_sum_per_sec float32 `json:",omitempty"`
Merge_passes_sum_per_sec float32 `json:",omitempty"`
Full_join_sum_per_sec float32 `json:",omitempty"`
Full_scan_sum_per_sec float32 `json:",omitempty"`
Tmp_table_sum_per_sec float32 `json:",omitempty"`
Tmp_tables_sum_per_sec float32 `json:",omitempty"`
Tmp_table_on_disk_sum_per_sec float32 `json:",omitempty"`
Tmp_disk_tables_sum_per_sec float32 `json:",omitempty"`
Tmp_table_sizes_sum_per_sec float32 `json:",omitempty"`
/* Perf Schema */
Errors_sum_per_sec float32 `json:",omitempty"`
Warnings_sum_per_sec float32 `json:",omitempty"`
Select_full_range_join_sum_per_sec float32 `json:",omitempty"`
Select_range_sum_per_sec float32 `json:",omitempty"`
Select_range_check_sum_per_sec float32 `json:",omitempty"`
Sort_range_sum_per_sec float32 `json:",omitempty"`
Sort_rows_sum_per_sec float32 `json:",omitempty"`
Sort_scan_sum_per_sec float32 `json:",omitempty"`
No_index_used_sum_per_sec float32 `json:",omitempty"`
No_good_index_used_sum_per_sec float32 `json:",omitempty"`
}
type metricsPercentOfTotal struct {
Query_count_of_total float32
Query_time_sum_of_total float32
Lock_time_sum_of_total float32
Rows_sent_sum_of_total float32
Rows_examined_sum_of_total float32
// 5
/* Perf Schema or Percona Server */
Rows_affected_sum_of_total float32 `json:",omitempty"`
Bytes_sent_sum_of_total float32 `json:",omitempty"`
Tmp_tables_sum_of_total float32 `json:",omitempty"`
Tmp_disk_tables_sum_of_total float32 `json:",omitempty"`
Tmp_table_sizes_sum_of_total float32 `json:",omitempty"`
QC_Hit_sum_of_total float32 `json:",omitempty"`
Full_scan_sum_of_total float32 `json:",omitempty"`
Full_join_sum_of_total float32 `json:",omitempty"`
Tmp_table_sum_of_total float32 `json:",omitempty"`
Tmp_table_on_disk_sum_of_total float32 `json:",omitempty"`
Filesort_sum_of_total float32 `json:",omitempty"`
Filesort_on_disk_sum_of_total float32 `json:",omitempty"`
Merge_passes_sum_of_total float32 `json:",omitempty"`
// 13
/* Percona Server */
InnoDB_IO_r_ops_sum_of_total float32 `json:",omitempty"`
InnoDB_IO_r_bytes_sum_of_total float32 `json:",omitempty"`
InnoDB_IO_r_wait_sum_of_total float32 `json:",omitempty"`
InnoDB_rec_lock_wait_sum_of_total float32 `json:",omitempty"`
InnoDB_queue_wait_sum_of_total float32 `json:",omitempty"`
InnoDB_pages_distinct_sum_of_total float32 `json:",omitempty"`
// 6
/* Perf Schema */
Errors_sum_of_total float32 `json:",omitempty"`
Warnings_sum_of_total float32 `json:",omitempty"`
Select_full_range_join_sum_of_total float32 `json:",omitempty"`
Select_range_sum_of_total float32 `json:",omitempty"`
Select_range_check_sum_of_total float32 `json:",omitempty"`
Sort_range_sum_of_total float32 `json:",omitempty"`
Sort_rows_sum_of_total float32 `json:",omitempty"`
Sort_scan_sum_of_total float32 `json:",omitempty"`
No_index_used_sum_of_total float32 `json:",omitempty"`
No_good_index_used_sum_of_total float32 `json:",omitempty"`
// 10
}
// 34
type generalMetrics struct {
/* Basic metrics */
Query_count float32
Query_time_sum float32
Query_time_min float32
Query_time_avg float32
Query_time_med float32
Query_time_p95 float32
Query_time_max float32
Lock_time_sum float32
Lock_time_min float32
Lock_time_avg float32
Lock_time_med float32
Lock_time_p95 float32
Lock_time_max float32
Rows_sent_sum float32
Rows_sent_min float32
Rows_sent_avg float32
Rows_sent_med float32
Rows_sent_p95 float32
Rows_sent_max float32
Rows_examined_sum float32
Rows_examined_min float32
Rows_examined_avg float32
Rows_examined_med float32
Rows_examined_p95 float32
Rows_examined_max float32
Bytes_sent_sum float32
Bytes_sent_min float32
Bytes_sent_avg float32
Bytes_sent_med float32
Bytes_sent_p95 float32
Bytes_sent_max float32
/* Perf Schema or Percona Server */
Rows_affected_sum float32 `json:",omitempty"`
Rows_affected_min float32 `json:",omitempty"`
Rows_affected_avg float32 `json:",omitempty"`
Rows_affected_med float32 `json:",omitempty"`
Rows_affected_p95 float32 `json:",omitempty"`
Rows_affected_max float32 `json:",omitempty"`
Tmp_tables_sum float32 `json:",omitempty"`
Tmp_tables_min float32 `json:",omitempty"`
Tmp_tables_avg float32 `json:",omitempty"`
Tmp_tables_med float32 `json:",omitempty"`
Tmp_tables_p95 float32 `json:",omitempty"`
Tmp_tables_max float32 `json:",omitempty"`
Tmp_disk_tables_sum float32 `json:",omitempty"`
Tmp_disk_tables_min float32 `json:",omitempty"`
Tmp_disk_tables_avg float32 `json:",omitempty"`
Tmp_disk_tables_med float32 `json:",omitempty"`
Tmp_disk_tables_p95 float32 `json:",omitempty"`
Tmp_disk_tables_max float32 `json:",omitempty"`
Tmp_table_sizes_sum float32 `json:",omitempty"`
Tmp_table_sizes_min float32 `json:",omitempty"`
Tmp_table_sizes_avg float32 `json:",omitempty"`
Tmp_table_sizes_med float32 `json:",omitempty"`
Tmp_table_sizes_p95 float32 `json:",omitempty"`
Tmp_table_sizes_max float32 `json:",omitempty"`
Total_tmp_tables_sum float32 `json:",omitempty"`
QC_Hit_sum float32 `json:",omitempty"`
Full_scan_sum float32 `json:",omitempty"`
Full_join_sum float32 `json:",omitempty"`
Tmp_table_sum float32 `json:",omitempty"`
Tmp_table_on_disk_sum float32 `json:",omitempty"`
Filesort_sum float32 `json:",omitempty"`
Filesort_on_disk_sum float32 `json:",omitempty"`
Merge_passes_sum float32 `json:",omitempty"`
Merge_passes_min float32 `json:",omitempty"`
Merge_passes_avg float32 `json:",omitempty"`
Merge_passes_med float32 `json:",omitempty"`
Merge_passes_p95 float32 `json:",omitempty"`
Merge_passes_max float32 `json:",omitempty"`
/* Percona Server */
InnoDB_IO_r_ops_sum float32 `json:",omitempty"`
InnoDB_IO_r_ops_min float32 `json:",omitempty"`
InnoDB_IO_r_ops_avg float32 `json:",omitempty"`
InnoDB_IO_r_ops_med float32 `json:",omitempty"`
InnoDB_IO_r_ops_p95 float32 `json:",omitempty"`
InnoDB_IO_r_ops_max float32 `json:",omitempty"`
InnoDB_IO_r_bytes_sum float32 `json:",omitempty"`
InnoDB_IO_r_bytes_min float32 `json:",omitempty"`
InnoDB_IO_r_bytes_avg float32 `json:",omitempty"`
InnoDB_IO_r_bytes_med float32 `json:",omitempty"`
InnoDB_IO_r_bytes_p95 float32 `json:",omitempty"`
InnoDB_IO_r_bytes_max float32 `json:",omitempty"`
InnoDB_IO_r_wait_sum float32 `json:",omitempty"`
InnoDB_IO_r_wait_min float32 `json:",omitempty"`
InnoDB_IO_r_wait_avg float32 `json:",omitempty"`
InnoDB_IO_r_wait_med float32 `json:",omitempty"`
InnoDB_IO_r_wait_p95 float32 `json:",omitempty"`
InnoDB_IO_r_wait_max float32 `json:",omitempty"`
InnoDB_rec_lock_wait_sum float32 `json:",omitempty"`
InnoDB_rec_lock_wait_min float32 `json:",omitempty"`
InnoDB_rec_lock_wait_avg float32 `json:",omitempty"`
InnoDB_rec_lock_wait_med float32 `json:",omitempty"`
InnoDB_rec_lock_wait_p95 float32 `json:",omitempty"`
InnoDB_rec_lock_wait_max float32 `json:",omitempty"`
InnoDB_queue_wait_sum float32 `json:",omitempty"`
InnoDB_queue_wait_min float32 `json:",omitempty"`
InnoDB_queue_wait_avg float32 `json:",omitempty"`
InnoDB_queue_wait_med float32 `json:",omitempty"`
InnoDB_queue_wait_p95 float32 `json:",omitempty"`
InnoDB_queue_wait_max float32 `json:",omitempty"`
InnoDB_pages_distinct_sum float32 `json:",omitempty"`
InnoDB_pages_distinct_min float32 `json:",omitempty"`
InnoDB_pages_distinct_avg float32 `json:",omitempty"`
InnoDB_pages_distinct_med float32 `json:",omitempty"`
InnoDB_pages_distinct_p95 float32 `json:",omitempty"`
InnoDB_pages_distinct_max float32 `json:",omitempty"`
/* Perf Schema */
Errors_sum float32 `json:",omitempty"`
Warnings_sum float32 `json:",omitempty"`
Select_full_range_join_sum float32 `json:",omitempty"`
Select_range_sum float32 `json:",omitempty"`
Select_range_check_sum float32 `json:",omitempty"`
Sort_range_sum float32 `json:",omitempty"`
Sort_rows_sum float32 `json:",omitempty"`
Sort_scan_sum float32 `json:",omitempty"`
No_index_used_sum float32 `json:",omitempty"`
No_good_index_used_sum float32 `json:",omitempty"`
}
const queryClassMetricsTemplate = `
SELECT
{{ if .Basic }}
/* Basic metrics */
COALESCE(SUM({{ .CountField }}), 0) AS query_count,
COALESCE(SUM(Query_time_sum), 0) AS query_time_sum,
COALESCE(MIN(Query_time_min), 0) AS query_time_min,
COALESCE(AVG(Query_time_avg), 0) AS query_time_avg,
COALESCE(AVG(Query_time_med), 0) AS query_time_med,
COALESCE(AVG(Query_time_p95), 0) AS query_time_p95,
COALESCE(MAX(Query_time_max), 0) AS query_time_max,
COALESCE(SUM(Lock_time_sum), 0) AS lock_time_sum,
COALESCE(MIN(Lock_time_min), 0) AS lock_time_min,
COALESCE(AVG(Lock_time_avg), 0) AS lock_time_avg,
COALESCE(AVG(Lock_time_med), 0) AS lock_time_med,
COALESCE(AVG(Lock_time_p95), 0) AS lock_time_p95,
COALESCE(MAX(Lock_time_max), 0) AS lock_time_max,
COALESCE(SUM(Rows_sent_sum), 0) AS rows_sent_sum,
COALESCE(MIN(Rows_sent_min), 0) AS rows_sent_min,
COALESCE(AVG(Rows_sent_avg), 0) AS rows_sent_avg,
COALESCE(AVG(Rows_sent_med), 0) AS rows_sent_med,
COALESCE(AVG(Rows_sent_p95), 0) AS rows_sent_p95,
COALESCE(MAX(Rows_sent_max), 0) AS rows_sent_max,
COALESCE(SUM(Rows_examined_sum), 0) AS rows_examined_sum,
COALESCE(MIN(Rows_examined_min), 0) AS rows_examined_min,
COALESCE(AVG(Rows_examined_avg), 0) AS rows_examined_avg,
COALESCE(AVG(Rows_examined_med), 0) AS rows_examined_med,
COALESCE(AVG(Rows_examined_p95), 0) AS rows_examined_p95,
COALESCE(MAX(Rows_examined_max), 0) AS rows_examined_max,
COALESCE(SUM(Bytes_sent_sum), 0) AS bytes_sent_sum,
COALESCE(MIN(Bytes_sent_min), 0) AS bytes_sent_min,
COALESCE(AVG(Bytes_sent_avg), 0) AS bytes_sent_avg,
COALESCE(AVG(Bytes_sent_med), 0) AS bytes_sent_med,
COALESCE(AVG(Bytes_sent_p95), 0) AS bytes_sent_p95,
COALESCE(MAX(Bytes_sent_max), 0) AS bytes_sent_max
{{ end }}
{{ if or .PerconaServer .PerformanceSchema }}
/* Perf Schema or Percona Server */
, /* <-- final comma for basic metrics */
COALESCE(SUM(Rows_affected_sum), 0) AS rows_affected_sum,
COALESCE(MIN(Rows_affected_min), 0) AS rows_affected_min,
COALESCE(AVG(Rows_affected_avg), 0) AS rows_affected_avg,
COALESCE(AVG(Rows_affected_med), 0) AS rows_affected_med,
COALESCE(AVG(Rows_affected_p95), 0) AS rows_affected_p95,
COALESCE(MAX(Rows_affected_max), 0) AS rows_affected_max,
COALESCE(SUM(Full_scan_sum), 0) AS full_scan_sum,
COALESCE(SUM(Full_join_sum), 0) AS full_join_sum,
COALESCE(SUM(Tmp_table_sum), 0) AS tmp_table_sum,
COALESCE(SUM(Tmp_table_on_disk_sum), 0) AS tmp_table_on_disk_sum,
COALESCE(SUM(Merge_passes_sum), 0) AS merge_passes_sum,
COALESCE(MIN(Merge_passes_min), 0) AS merge_passes_min,
COALESCE(AVG(Merge_passes_avg), 0) AS merge_passes_avg,
COALESCE(AVG(Merge_passes_med), 0) AS merge_passes_med,
COALESCE(AVG(Merge_passes_p95), 0) AS merge_passes_p95,
COALESCE(MAX(Merge_passes_max), 0) AS merge_passes_max,
{{ end }}
{{ if .PerconaServer }}
/* Percona Server */
COALESCE(SUM(Tmp_tables_sum), 0) AS tmp_tables_sum,
COALESCE(MIN(Tmp_tables_min), 0) AS tmp_tables_min,
COALESCE(AVG(Tmp_tables_avg), 0) AS tmp_tables_avg,
COALESCE(AVG(Tmp_tables_med), 0) AS tmp_tables_med,
COALESCE(AVG(Tmp_tables_p95), 0) AS tmp_tables_p95,
COALESCE(MAX(Tmp_tables_max), 0) AS tmp_tables_max,
COALESCE(SUM(Tmp_disk_tables_sum), 0) AS tmp_disk_tables_sum,
COALESCE(MIN(Tmp_disk_tables_min), 0) AS tmp_disk_tables_min,
COALESCE(AVG(Tmp_disk_tables_avg), 0) AS tmp_disk_tables_avg,
COALESCE(AVG(Tmp_disk_tables_med), 0) AS tmp_disk_tables_med,
COALESCE(AVG(Tmp_disk_tables_p95), 0) AS tmp_disk_tables_p95,
COALESCE(MAX(Tmp_disk_tables_max), 0) AS tmp_disk_tables_max,
COALESCE(SUM(Tmp_table_sizes_sum), 0) AS tmp_table_sizes_sum,
COALESCE(MIN(Tmp_table_sizes_min), 0) AS tmp_table_sizes_min,
COALESCE(AVG(Tmp_table_sizes_avg), 0) AS tmp_table_sizes_avg,
COALESCE(AVG(Tmp_table_sizes_med), 0) AS tmp_table_sizes_med,
COALESCE(AVG(Tmp_table_sizes_p95), 0) AS tmp_table_sizes_p95,
COALESCE(MAX(Tmp_table_sizes_max), 0) AS tmp_table_sizes_max,
COALESCE(SUM(Tmp_table_sum + Tmp_table_on_disk_sum), 0) AS total_tmp_tables_sum,
COALESCE(SUM(QC_Hit_sum), 0) AS qc_hit_sum,
COALESCE(SUM(Filesort_sum), 0) AS filesort_sum,
COALESCE(SUM(Filesort_on_disk_sum), 0) AS filesort_on_disk_sum,
COALESCE(SUM(InnoDB_IO_r_ops_sum), 0) AS innodb_io_r_ops_sum,
COALESCE(MIN(InnoDB_IO_r_ops_min), 0) AS innodb_io_r_ops_min,
COALESCE(AVG(InnoDB_IO_r_ops_avg), 0) AS innodb_io_r_ops_avg,
COALESCE(AVG(InnoDB_IO_r_ops_med), 0) AS innodb_io_r_ops_med,
COALESCE(AVG(InnoDB_IO_r_ops_p95), 0) AS innodb_io_r_ops_p95,
COALESCE(MAX(InnoDB_IO_r_ops_max), 0) AS innodb_io_r_ops_max,
COALESCE(SUM(InnoDB_IO_r_bytes_sum), 0) AS innodb_io_r_bytes_sum,
COALESCE(MIN(InnoDB_IO_r_bytes_min), 0) AS innodb_io_r_bytes_min,
COALESCE(AVG(InnoDB_IO_r_bytes_avg), 0) AS innodb_io_r_bytes_avg,
COALESCE(AVG(InnoDB_IO_r_bytes_med), 0) AS innodb_io_r_bytes_med,
COALESCE(AVG(InnoDB_IO_r_bytes_p95), 0) AS innodb_io_r_bytes_p95,
COALESCE(MAX(InnoDB_IO_r_bytes_max), 0) AS innodb_io_r_bytes_max,
COALESCE(SUM(InnoDB_IO_r_wait_sum), 0) AS innodb_io_r_wait_sum,
COALESCE(MIN(InnoDB_IO_r_wait_min), 0) AS innodb_io_r_wait_min,
COALESCE(AVG(InnoDB_IO_r_wait_avg), 0) AS innodb_io_r_wait_avg,
COALESCE(AVG(InnoDB_IO_r_wait_med), 0) AS innodb_io_r_wait_med,
COALESCE(AVG(InnoDB_IO_r_wait_p95), 0) AS innodb_io_r_wait_p95,
COALESCE(MAX(InnoDB_IO_r_wait_max), 0) AS innodb_io_r_wait_max,
COALESCE(SUM(InnoDB_rec_lock_wait_sum), 0) AS innodb_rec_lock_wait_sum,
COALESCE(MIN(InnoDB_rec_lock_wait_min), 0) AS innodb_rec_lock_wait_min,
COALESCE(AVG(InnoDB_rec_lock_wait_avg), 0) AS innodb_rec_lock_wait_avg,
COALESCE(AVG(InnoDB_rec_lock_wait_med), 0) AS innodb_rec_lock_wait_med,
COALESCE(AVG(InnoDB_rec_lock_wait_p95), 0) AS innodb_rec_lock_wait_p95,
COALESCE(MAX(InnoDB_rec_lock_wait_max), 0) AS innodb_rec_lock_wait_max,
COALESCE(SUM(InnoDB_queue_wait_sum), 0) AS innodb_queue_wait_sum,
COALESCE(MIN(InnoDB_queue_wait_min), 0) AS innodb_queue_wait_min,
COALESCE(AVG(InnoDB_queue_wait_avg), 0) AS innodb_queue_wait_avg,
COALESCE(AVG(InnoDB_queue_wait_med), 0) AS innodb_queue_wait_med,
COALESCE(AVG(InnoDB_queue_wait_p95), 0) AS innodb_queue_wait_p95,
COALESCE(MAX(InnoDB_queue_wait_max), 0) AS innodb_queue_wait_max,
COALESCE(SUM(InnoDB_pages_distinct_sum), 0) AS innodb_pages_distinct_sum,
COALESCE(MIN(InnoDB_pages_distinct_min), 0) AS innodb_pages_distinct_min,
COALESCE(AVG(InnoDB_pages_distinct_avg), 0) AS innodb_pages_distinct_avg,
COALESCE(AVG(InnoDB_pages_distinct_med), 0) AS innodb_pages_distinct_med,
COALESCE(AVG(InnoDB_pages_distinct_p95), 0) AS innodb_pages_distinct_p95,
COALESCE(MAX(InnoDB_pages_distinct_max), 0) AS innodb_pages_distinct_max
{{ end }}
{{ if .PerformanceSchema }}
/* Perf Schema */
COALESCE(SUM(Errors_sum), 0) AS errors_sum,
COALESCE(SUM(Warnings_sum), 0) AS warnings_sum,
COALESCE(SUM(Select_full_range_join_sum), 0) AS select_full_range_join_sum,
COALESCE(SUM(Select_range_sum), 0) AS select_range_sum,
COALESCE(SUM(Select_range_check_sum), 0) AS select_range_check_sum,
COALESCE(SUM(Sort_range_sum), 0) AS sort_range_sum,
COALESCE(SUM(Sort_rows_sum), 0) AS sort_rows_sum,
COALESCE(SUM(Sort_scan_sum), 0) AS sort_scan_sum,
COALESCE(SUM(No_index_used_sum), 0) AS no_index_used_sum,
COALESCE(SUM(No_good_index_used_sum), 0) AS no_good_index_used_sum
{{ end }}
FROM {{if .ServerSummary }} query_global_metrics {{ else }} query_class_metrics {{ end }}
WHERE {{if not .ServerSummary }} query_class_id = :class_id AND {{ end }}
instance_id = :instance_id AND (start_ts >= :begin AND start_ts < :end);
`
const querySparklinesTemplate = `
SELECT
(:end_ts - UNIX_TIMESTAMP(start_ts)) DIV :interval_ts as point,
FROM_UNIXTIME(:end_ts - (SELECT point) * :interval_ts) AS ts,
{{ if .Basic }}
/* Basic metrics */
COALESCE(SUM({{ .CountField }}), 0) / :interval_ts AS query_count_per_sec,
COALESCE(SUM(Query_time_sum), 0) / :interval_ts AS query_time_sum_per_sec,
COALESCE(SUM(Lock_time_sum), 0) / :interval_ts AS lock_time_sum_per_sec,
COALESCE(SUM(Rows_sent_sum), 0) / :interval_ts AS rows_sent_sum_per_sec,
COALESCE(SUM(Rows_examined_sum), 0) / :interval_ts AS rows_examined_sum_per_sec,
COALESCE(SUM(Bytes_sent_sum), 0) / :interval_ts AS bytes_sent_sum_per_sec
{{ end }}
{{ if or .PerconaServer .PerformanceSchema }}
/* Perf Schema or Percona Server */
, /* <-- final comma for basic metrics */
COALESCE(SUM(Rows_affected_sum), 0) / :interval_ts AS rows_affected_sum_per_sec,
COALESCE(SUM(Merge_passes_sum), 0) / :interval_ts AS merge_passes_sum_per_sec,
COALESCE(SUM(Full_join_sum), 0) / :interval_ts AS full_join_sum_per_sec,
COALESCE(SUM(Full_scan_sum), 0) / :interval_ts AS full_scan_sum_per_sec,
COALESCE(SUM(Tmp_table_sum), 0) / :interval_ts AS tmp_table_sum_per_sec,
COALESCE(SUM(Tmp_table_on_disk_sum), 0) / :interval_ts AS tmp_table_on_disk_sum_per_sec,
{{ end }}
{{ if .PerconaServer }}
/* Percona Server */
COALESCE(SUM(InnoDB_IO_r_ops_sum), 0) / :interval_ts AS innodb_io_r_ops_sum_per_sec,
COALESCE(SUM(InnoDB_IO_r_wait_sum), 0) / :interval_ts AS innodb_io_r_wait_sum_per_sec,
COALESCE(SUM(InnoDB_rec_lock_wait_sum), 0) / :interval_ts AS innodb_rec_lock_wait_sum_per_sec,
COALESCE(SUM(InnoDB_queue_wait_sum), 0) / :interval_ts AS innodb_queue_wait_sum_per_sec,
COALESCE(SUM(InnoDB_IO_r_bytes_sum), 0) / :interval_ts AS innodb_io_r_bytes_sum_per_sec,
COALESCE(SUM(QC_Hit_sum), 0) / :interval_ts AS qc_hit_sum_per_sec,
COALESCE(SUM(Filesort_sum), 0) / :interval_ts AS filesort_sum_per_sec,
COALESCE(SUM(Filesort_on_disk_sum), 0) / :interval_ts AS filesort_on_disk_sum_per_sec,
COALESCE(SUM(Tmp_tables_sum), 0) / :interval_ts AS tmp_tables_sum_per_sec,
COALESCE(SUM(Tmp_disk_tables_sum), 0) / :interval_ts AS tmp_disk_tables_sum_per_sec,
COALESCE(SUM(Tmp_table_sizes_sum), 0) / :interval_ts AS tmp_table_sizes_sum_per_sec
{{ end }}
{{ if .PerformanceSchema }}
/* Perf Schema */
COALESCE(SUM(Errors_sum), 0) / :interval_ts AS errors_sum_per_sec,
COALESCE(SUM(Warnings_sum), 0) / :interval_ts AS warnings_sum_per_sec,
COALESCE(SUM(Select_full_range_join_sum), 0) / :interval_ts AS select_full_range_join_sum_per_sec,
COALESCE(SUM(Select_range_sum), 0) / :interval_ts AS select_range_sum_per_sec,
COALESCE(SUM(Select_range_check_sum), 0) / :interval_ts AS select_range_check_sum_per_sec,
COALESCE(SUM(Sort_range_sum), 0) / :interval_ts AS sort_range_sum_per_sec,
COALESCE(SUM(Sort_rows_sum), 0) / :interval_ts AS sort_rows_sum_per_sec,
COALESCE(SUM(Sort_scan_sum), 0) / :interval_ts AS sort_scan_sum_per_sec,
COALESCE(SUM(No_index_used_sum), 0) / :interval_ts AS no_index_used_sum_per_sec,
COALESCE(SUM(No_good_index_used_sum), 0) / :interval_ts AS no_good_index_used_sum_per_sec
{{ end }}
FROM {{if .ServerSummary }} query_global_metrics {{ else }} query_class_metrics {{ end }}
WHERE {{if not .ServerSummary }} query_class_id = :class_id AND {{ end }}
instance_id = :instance_id AND (start_ts >= :begin AND start_ts < :end)
GROUP BY point;
`