Dispatcher user load in Adobe Managed Service? | Adobe Higher Education
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C
cqbeginner
Level 2
December 9, 2020
解決済み

Dispatcher user load in Adobe Managed Service?

  • December 9, 2020
  • 3 の返信
  • 1884 ビュー

Hi There, 

What is the maximum user load (concurrent) a single Dispatcher can handle in AMS? What could be single point of failure with such single instance.

 

Thanks.

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ベストアンサー SundeepKatepally

usually a standard adobe license on publish instance will support 200 concurrent users. dispatcher (aka apache) will not have any standard user load as it supports much higher number than publish instance.

 

Unless you are code is robust then it will support 200 concurrent users. Lets in you code you are not releasing the resources properly (like session or resourceResolver objects) then with in no time your requests will start fail even though it is not reaching 200 concurrent users.

3 の返信

Sudheer_Sundalam
Community Advisor
Sudheer_SundalamCommunity Advisor
Community Advisor
December 9, 2020

Hi There,

I don't think there is any magic number where the dispatcher would fail and die if those many concurrent users access it at the same time. The performance of the dispatcher and that of your site mainly depends on the efficiency of the dispatcher caching. I know sites developed on AEM which are handling 1M+ page requests per day with only 2 dispatchers and one load balancer in place and without any CDN caching.

However, there is a chance of memory leaks happening on dispatchers(due to issues in patching or bugs in the version of apache itself), which over time results in one or both dispatchers dying and become unresponsive to further serve the pages.

 

Hope this helps!

    C
    cqbeginner作成者
    Level 2
    December 10, 2020
    Thanks Sudheer. Since it will be managed by Adobe (AMS), shall we assume that it will be monitored during peak time and scale the resources or configure dispatcher to handle sudden traffic?
    SundeepKatepally
    Community Advisor
    SundeepKatepallyCommunity Advisor回答
    Community Advisor
    December 9, 2020

    usually a standard adobe license on publish instance will support 200 concurrent users. dispatcher (aka apache) will not have any standard user load as it supports much higher number than publish instance.

     

    Unless you are code is robust then it will support 200 concurrent users. Lets in you code you are not releasing the resources properly (like session or resourceResolver objects) then with in no time your requests will start fail even though it is not reaching 200 concurrent users.

      joerghoh
      Adobe Employee
      joerghohAdobe Employee
      Adobe Employee
      December 9, 2020

      As others already stated, it's hard to give any number for that, but in reality I haven't seen servers which are maxed out just by running the dispatcher. Normally the AEM publishs are maxed out much earlier 🙂

      And regarding your second question: If you have a single dispatcher, it is one single point of failure. Not necessarily the only one, because in that case it's likely that you have a single publish instance, too.

       

      Jörg

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