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# 新疆联通环境 nezha21.11版本 同一图表不同时间展示数据情况矛盾
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| ID | Creation Date | Assignee | Status |
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|----|----------------|----------|--------|
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| OMPUB-284 | 2021-11-30T17:02:42.000+0800 | 贾依蒙 | 已关闭 |
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---
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联通XJ-Log-Middleware页面 JC-Log-Send图表,选取不同时间周期,图表展示数据情况不一致;
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promQL:jcSendFail jcOutputLog jcInputLog
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如图示:最近1h,最近12h,最近24h
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选取1h图表和选取12h图表显示有数据,选取24h图表数据变为0,12h和24h数据展示结果互相矛盾。
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多次选择24h,会出现正常情况如图3,也会出现为0的情况如图4
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选择XJ-Log-Middleware页面,有时会出现无任何显示的情况,如图5**fangshunjian** commented on *2021-11-30T17:17:32.354+0800*:
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图片3 模糊,麻烦更新下 [~jiayimeng]
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**jiayimeng** commented on *2021-11-30T17:50:50.388+0800*:
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图片已更新
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---
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**fangshunjian** commented on *2021-12-01T10:47:59.532+0800*:
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请检查 jcSendFail jcOutputLog jcInputLog 数据类型
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**jiayimeng** commented on *2021-12-01T11:13:02.454+0800*:
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三个指标均为gauge类型
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**fangshunjian** commented on *2021-12-01T11:53:59.316+0800*:
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prometheus在查询时,可以根据step 设置查询精度,step 越大,精度越差,返回的数据总量越少。即返回结果每个 数据点的 时间间隔。
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nezha 为了保证 浏览器 和 prometheus 性能,随着时间范围越长,也随之 设置更大的step
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* 小于1天 :15秒
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* 小于7天 : 5分钟
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* 小于30天:10分钟
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* 大于等于30天:30分钟
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另外prometheus 结果返回精度也和 scrape interval,promql(range-vector)相关
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更多资料:
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* 1、metric 数据类型 [https://prometheus.io/docs/concepts/metric_types/]
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* 2、[https://prometheus.io/docs/prometheus/latest/querying/api/#range-queries]
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* 3、[https://github.com/prometheus/prometheus/issues/2564]
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建议:
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方案1:修改 jcSendFail 等数据类型为 counter,通irate 或 rate 函数计算 平均速率
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方案2: 保持当前数据类型,使用 统计函数 计算 [https://prometheus.io/docs/prometheus/latest/querying/operators/#aggregation-operators]
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**fangshunjian** commented on *2021-12-01T13:44:27.131+0800*:
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图5 bug已在 nezha-21.11.19-Release.x86_64.rpm 中修改,可更新nezha 程序解决
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---
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## Attachments
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**23174/图3.png**
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---
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**23178/图4.png**
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**23175/图5.png**
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---
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**23166/图片1.png**
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---
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**23165/图片2.png**
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---
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