This repository has been archived by the owner on Jan 19, 2022. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 13
/
metrics.go
715 lines (641 loc) · 30 KB
/
metrics.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
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"
endTs := end.Unix()
intervalTs := (endTs - begin.Unix()) / (amountOfPoints - 1)
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)
// 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"
endTs := end.Unix()
intervalTs := (endTs - begin.Unix()) / (amountOfPoints - 1)
args := args{
0,
instanceID,
begin,
end,
endTs,
intervalTs,
}
generalGlobalMetrics := m.getMetrics(currentMetricGroup, args)
sparks := m.getSparklines(currentMetricGroup, args)
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
}
const amountOfPoints = 60
func (m metrics) getSparklines(group metricGroup, args args) []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
if val, ok := metricLogRaw[ts]; ok {
sparks = append(sparks, val)
} else {
val := rateMetrics{Point: pointN, Ts: time.Unix(ts, 0).UTC()}
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 float32 `json:",omitempty" divider:"Query_count"`
}
type rateMetrics struct {
Point int64
Ts time.Time
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
/* 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"`
Bytes_sent_sum float32 `json:",omitempty"`
Bytes_sent_min float32 `json:",omitempty"`
Bytes_sent_avg float32 `json:",omitempty"`
Bytes_sent_med float32 `json:",omitempty"`
Bytes_sent_p95 float32 `json:",omitempty"`
Bytes_sent_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"`
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
{{ 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(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,
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(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
{{ 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(Bytes_sent_sum), 0) / :interval_ts AS bytes_sent_sum_per_sec,
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;
`