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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2020/09/23 08:54:15 UTC

[GitHub] [skywalking] killGC opened a new issue #5545: alarm's count properties real meaning?

killGC opened a new issue #5545:
URL: https://github.com/apache/skywalking/issues/5545


   Please answer these questions before submitting your issue.
   
   i see official document and official alarm-setting.yml, count is represent as Frequency of occurrence or time[minute]?
   for example:
   
   1、official document 
   Count. In the period window, if the number of values over threshold(by OP), reaches count, alarm should send
   
   2、official alarm-setting.yml
     service_sla_rule:
       # Metrics value need to be long, double or int
       metrics-name: service_sla
       op: "<"
       threshold: 8000
       # The length of time to evaluate the metrics
       period: 10
       # How many times after the metrics match the condition, will trigger alarm
       count: 2
       # How many times of checks, the alarm keeps silence after alarm triggered, default as same as period.
       silence-period: 3
       message: Successful rate of service {name} is lower than 80% in 2 minutes of last 10 minutes
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   - [ ] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
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   ### Question
   - What do you want to know?
   
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
   
   - Which company or project?
   
   - What happened?
   If possible, provide a way to reproduce the error. e.g. demo application, component version.
   
   ___
   ### Requirement or improvement
   - Please describe your requirements or improvement suggestions.
   


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[GitHub] [skywalking] wu-sheng closed issue #5545: alarm's count properties real meaning?

Posted by GitBox <gi...@apache.org>.
wu-sheng closed issue #5545:
URL: https://github.com/apache/skywalking/issues/5545


   


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[GitHub] [skywalking] wu-sheng commented on issue #5545: alarm's count properties real meaning?

Posted by GitBox <gi...@apache.org>.
wu-sheng commented on issue #5545:
URL: https://github.com/apache/skywalking/issues/5545#issuecomment-697285164


   Consider the period is a moving window caching the metrics. Every minute is a slot in the window. 
   Alarm core checks the window every minute. Count means the minimal count of value in the slot over threshold.


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[GitHub] [skywalking] killGC commented on issue #5545: alarm's count properties real meaning?

Posted by GitBox <gi...@apache.org>.
killGC commented on issue #5545:
URL: https://github.com/apache/skywalking/issues/5545#issuecomment-698056963


   > Consider the period is a moving window caching the metrics. Every minute is a slot in the window.
   > Alarm core checks the window every minute. Count means the minimal count of value in the slot over threshold.
   
   i understand ,thank you 


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