moonchen opened a new issue, #10674:
URL: https://github.com/apache/trafficserver/issues/10674

   This issue was reported by [email protected] on the mailing list.
   
   Hi
   
   I'm upgrading from 7.1 to 9.2.3 and attempting to get a certain amount
   of connections kept open between ATS and upstream server to avoid
   connection creation overhead.
   
   In 7.1 this worked well CONFIG
   proxy.config.http.origin_min_keep_alive_connections INT 50
   
   In 9.2.3 enabling CONFIG proxy.config.http.per_server.connection.min INT 50
   results in many lines of errors displayed in diags.log
   
   [Oct 23 16:26:59.192] [ET_NET 0] ERROR: [http_ss] [188] number of
   connections should be greater than or equal to zero: 4294967295
   [Oct 23 16:27:15.309] [ET_NET 0] ERROR: [http_ss] [210] number of
   connections should be greater than or equal to zero: 4294967295
   [Oct 23 16:27:29.543] [ET_NET 1] ERROR: [http_ss] [203] number of
   connections should be greater than or equal to zero: 4294967295
   [Oct 23 16:27:59.336] [ET_NET 0] ERROR: [http_ss] [219] number of
   connections should be greater than or equal to zero: 4294967295
   [Oct 23 16:28:15.683] [ET_NET 0] ERROR: [http_ss] [241] number of
   connections should be greater than or equal to zero: 4294967295
   [Oct 23 16:28:31.506] [ET_NET 1] ERROR: [http_ss] [234] number of
   connections should be greater than or equal to zero: 4294967295
   
   Connections through proxy work even though those strange errors are 
displayed.


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