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Update 00448.md
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making committed Mar 20, 2018
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Expand Up @@ -23,22 +23,30 @@ Prometheusの場合、Client-side Percentilesの計算(`management.metrics.distr
histogram_quantile(0.9, sum(rate(http_server_requests_seconds_bucket{status="200"}[5m])) by (app, uri, le))
```

![image](https://user-images.githubusercontent.com/106908/37652499-13648ae0-2c7f-11e8-8afd-633d1e32635a.png)

### 特定のURIに対する各パーセンタイル

```
max(http_server_requests_seconds{uri="/entries/{entryId}", status="200", exception="none"}) by (quantile)
```

![image](https://user-images.githubusercontent.com/106908/37652522-2a997fa4-2c7f-11e8-9baf-2bef9d5b8099.png)

### T=100msの場合の5min間隔のAppdex

```
( sum(rate(http_server_requests_seconds_bucket{le="0.1", status="200"}[5m])) by (app, uri) + sum(rate(http_server_requests_seconds_bucket{le="0.4", status="200"}[5m])) by (app, uri) )
/ 2 / sum(rate(http_server_requests_seconds_count[5m])) by (app, uri)
```

![image](https://user-images.githubusercontent.com/106908/37652561-4663917a-2c7f-11e8-81bf-a4bf0ba3e933.png)

### T=500msの場合の5min間隔のAppdex

```
( sum(rate(http_server_requests_seconds_bucket{le="0.5", status="200"}[5m])) by (app, uri) + sum(rate(http_server_requests_seconds_bucket{le="2.0", status="200"}[5m])) by (app, uri) )
/ 2 / sum(rate(http_server_requests_seconds_count[5m])) by (app, uri)
```

![image](https://user-images.githubusercontent.com/106908/37652597-61575f48-2c7f-11e8-8ff2-8df946324a87.png)

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