Abdul Jabbar Azam ajazam

## elasticsearch_watcher_logstash_monitoring_events.md

      
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                renshuki
                / elasticsearch_watcher_logstash_monitoring_events.md
            
            
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              August 14, 2020 09:51
            
              
                Elasticsearch Threshold Alert (Watcher) to check Logstash instance monitoring incoming events
              
          
    This watcher check every 5 minutes if the number of Logstash monitoring events are below 1 which means Logstash monitoring is in trouble.
"watch" : {
    "trigger" : {
      "schedule" : {
        "interval" : "5m"
      }
    },
    "input" : {

  
## introrx.md

      
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                staltz
                / introrx.md
            
            
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              May 9, 2024 07:59
            
              
                The introduction to Reactive Programming you've been missing
              
          
    The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.


## carl_hewitt_actor_model.md

      
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                rbishop
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              April 3, 2024 06:58
            
              
                Notes from Carl Hewitt on the Actor Model
              
          
    Carl Hewitt on Actors

Actor - Fundamental unit of computation, a computation model - not just a form of concurrency
An Actor has three essential elements:

1 - Processing - you have to get something done
2 - Storage - you have to be able to remember things
3 - Communication