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Updated Prometheus QuickStart (markdown)

lcybo
2018-08-29 20:14:41 +08:00
parent 7bb082bf59
commit b9cb25b0e8
1 changed files with 4 additions and 2 deletions
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6
Prometheus-QuickStart.md

@@ -95,9 +95,9 @@ clamp_max(rate(canal_instance_publish_blocking_time{destination="example"}[2m]),
``` ```
**dump线程blocking时间片比例(仅parallel mode, dump线程向disruptor发布event时)。若idle占比较高：** **dump线程blocking时间片比例(仅parallel mode, dump线程向disruptor发布event时)。若idle占比较高：**
**1. Sinking idle ratio也很高，则瓶颈是因为client的consume速度相对较慢。** **1. Sinking blocking ratio也很高，则瓶颈是因为client的consume速度相对较慢。**
**2. Sinking idle ratio较低，那么server端parser是性能瓶颈，可参考[Performance](https://github.com/alibaba/canal/wiki/Performance)进行tuning.** **2. Sinking blocking ratio较低，那么server端parser是性能瓶颈，可参考[Performance](https://github.com/alibaba/canal/wiki/Performance)进行tuning.**
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##### Delay(seconds) ##### Delay(seconds)
@@ -118,6 +118,8 @@ canal_instance_get_delay{destination="example"} / 1000
canal_instance_ack_delay{destination="example"} / 1000 canal_instance_ack_delay{destination="example"} / 1000
``` ```
**Client ack操作时间点的延时。** **Client ack操作时间点的延时。**
**Note: delay的准确度依赖于master与canal server间的ntp同步。当binlog execTime超过canal server当前时间戳，则delay为0.**
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##### 网络带宽(KB/s) ##### 网络带宽(KB/s)