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publish storage API latency through node metrics (#14117)

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Publish storage functions latency to help compare the performance 
of different disks in a single deployment.

e.g.:
```
minio_node_disk_latency_us{api="storage.WalkDir",disk="/tmp/xl/1",server="localhost:9001"} 226
minio_node_disk_latency_us{api="storage.WalkDir",disk="/tmp/xl/2",server="localhost:9002"} 1180
minio_node_disk_latency_us{api="storage.WalkDir",disk="/tmp/xl/3",server="localhost:9003"} 1183
minio_node_disk_latency_us{api="storage.WalkDir",disk="/tmp/xl/4",server="localhost:9004"} 1625
```
This commit is contained in:
Anis Elleuch
2022-01-26 01:31:44 +01:00
committed by GitHub
parent 58e6b83e95
commit 45a99c3fd3
8 changed files with 590 additions and 185 deletions
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2
cmd/bucket-stats.go
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@@ -38,7 +38,7 @@ func (rl ReplicationLatency) merge(other ReplicationLatency) (newReplLatency Rep
// Get upload latency of each object size range
func (rl ReplicationLatency) getUploadLatency() (ret map[string]uint64) {
ret = make(map[string]uint64)
avg := rl.UploadHistogram.GetAvg()
avg := rl.UploadHistogram.GetAvgData()
for k, v := range avg {
// Convert nanoseconds to milliseconds
ret[sizeTagToString(k)] = v.avg() / uint64(time.Millisecond)