[jira] [Commented] (TS-4748) Congestion Control (congestion.config*(max_connection))

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-4748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425674#comment-15425674 ] 

Leif Hedstrom commented on TS-4748:
-----------------------------------

[~shinrich] Any comments on this?

> Congestion Control (congestion.config*(max_connection))
> -------------------------------------------------------
>
>                 Key: TS-4748
>                 URL: https://issues.apache.org/jira/browse/TS-4748
>             Project: Traffic Server
>          Issue Type: Test
>          Components: Configuration
>            Reporter: Chai
>             Fix For: sometime
>
>
> Hi,
> I have few questions with the congestion control features inside the apache traffic server.
> Q1: How to calculate the max_connection? If 2 people request a web page at the same time and the max_connection equal to 1, its that means congested for origin server and who will get the error page?
> CASE 2: Maximum Number of Connections
> -------------------------------------
> TS will temporarily mark a server as congested if a "max_connection" number
> to the server is reached. If a new client request comes in and needs a new 
> connection to the server, the client will get 503 Retry-After back. 
> There is no PRAT on the "max_connection" reached servers.
> Q2: According to case 2 inside the congestion control as above, what is the time of "temporarily mark a server as congested"?
> Q3: If a HTML page there are more than one 503 "too many users" return back from traffic server, is the server marks as congested and will show the error page?
> Thanks.



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