-
Notifications
You must be signed in to change notification settings - Fork 139
/
metrics.go
144 lines (115 loc) · 4.04 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
package http
import (
"expvar"
"strconv"
"sync/atomic"
"github.com/go-graphite/carbonapi/cache"
"github.com/go-graphite/carbonapi/cmd/carbonapi/config"
zipperTypes "github.com/go-graphite/carbonapi/zipper/types"
"go.uber.org/zap"
)
var ApiMetrics = struct {
Requests *expvar.Int
RenderRequests *expvar.Int
RequestCacheHits *expvar.Int
RequestCacheMisses *expvar.Int
BackendCacheHits *expvar.Int
BackendCacheMisses *expvar.Int
RenderCacheOverheadNS *expvar.Int
RequestBuckets expvar.Func
FindRequests *expvar.Int
MemcacheTimeouts expvar.Func
CacheSize expvar.Func
CacheItems expvar.Func
}{
Requests: expvar.NewInt("requests"),
// TODO: request_cache -> render_cache
RenderRequests: expvar.NewInt("render_requests"),
RequestCacheHits: expvar.NewInt("request_cache_hits"),
RequestCacheMisses: expvar.NewInt("request_cache_misses"),
BackendCacheHits: expvar.NewInt("backend_cache_hits"),
BackendCacheMisses: expvar.NewInt("backend_cache_misses"),
RenderCacheOverheadNS: expvar.NewInt("render_cache_overhead_ns"),
FindRequests: expvar.NewInt("find_requests"),
}
var ZipperMetrics = struct {
FindRequests *expvar.Int
FindTimeouts *expvar.Int
FindErrors *expvar.Int
SearchRequests *expvar.Int
RenderRequests *expvar.Int
RenderTimeouts *expvar.Int
RenderErrors *expvar.Int
InfoRequests *expvar.Int
InfoTimeouts *expvar.Int
InfoErrors *expvar.Int
Timeouts *expvar.Int
CacheSize expvar.Func
CacheItems expvar.Func
CacheMisses *expvar.Int
CacheHits *expvar.Int
}{
FindRequests: expvar.NewInt("zipper_find_requests"),
FindTimeouts: expvar.NewInt("zipper_find_timeouts"),
FindErrors: expvar.NewInt("zipper_find_errors"),
SearchRequests: expvar.NewInt("zipper_search_requests"),
RenderRequests: expvar.NewInt("zipper_render_requests"),
RenderTimeouts: expvar.NewInt("zipper_render_timeouts"),
RenderErrors: expvar.NewInt("zipper_render_errors"),
InfoRequests: expvar.NewInt("zipper_info_requests"),
InfoTimeouts: expvar.NewInt("zipper_info_timeouts"),
InfoErrors: expvar.NewInt("zipper_info_errors"),
Timeouts: expvar.NewInt("zipper_timeouts"),
CacheHits: expvar.NewInt("zipper_cache_hits"),
CacheMisses: expvar.NewInt("zipper_cache_misses"),
}
func ZipperStats(stats *zipperTypes.Stats) {
if stats == nil {
return
}
ZipperMetrics.Timeouts.Add(stats.Timeouts)
ZipperMetrics.FindRequests.Add(stats.FindRequests)
ZipperMetrics.FindTimeouts.Add(stats.FindTimeouts)
ZipperMetrics.FindErrors.Add(stats.FindErrors)
ZipperMetrics.RenderRequests.Add(stats.RenderRequests)
ZipperMetrics.RenderTimeouts.Add(stats.RenderTimeouts)
ZipperMetrics.RenderErrors.Add(stats.RenderErrors)
ZipperMetrics.InfoRequests.Add(stats.InfoRequests)
ZipperMetrics.InfoTimeouts.Add(stats.InfoTimeouts)
ZipperMetrics.InfoErrors.Add(stats.InfoErrors)
ZipperMetrics.SearchRequests.Add(stats.SearchRequests)
ZipperMetrics.CacheMisses.Add(stats.CacheMisses)
ZipperMetrics.CacheHits.Add(stats.CacheHits)
}
type BucketEntry int
var TimeBuckets []int64
func (b BucketEntry) String() string {
return strconv.Itoa(int(atomic.LoadInt64(&TimeBuckets[b])))
}
func RenderTimeBuckets() interface{} {
return TimeBuckets
}
func SetupMetrics(logger *zap.Logger) {
switch config.Config.ResponseCacheConfig.Type {
case "memcache":
mcache := config.Config.ResponseCache.(*cache.MemcachedCache)
ApiMetrics.MemcacheTimeouts = expvar.Func(func() interface{} {
return mcache.Timeouts()
})
expvar.Publish("memcache_timeouts", ApiMetrics.MemcacheTimeouts)
case "mem":
qcache := config.Config.ResponseCache.(*cache.ExpireCache)
ApiMetrics.CacheSize = expvar.Func(func() interface{} {
return qcache.Size()
})
expvar.Publish("cache_size", ApiMetrics.CacheSize)
ApiMetrics.CacheItems = expvar.Func(func() interface{} {
return qcache.Items()
})
expvar.Publish("cache_items", ApiMetrics.CacheItems)
default:
}
// +1 to track every over the number of buckets we track
TimeBuckets = make([]int64, config.Config.Buckets+1)
expvar.Publish("requestBuckets", expvar.Func(RenderTimeBuckets))
}