Apache Traffic Server - Slow Request

We recently began noticing issues with our ATS when we added a new url to web application.  I've searched everywhere for information on how to understand the ATS diags.log but I haven't found anything that will help me decode these errors.  Nothing on the Apache site was too clear.  Has anyone experienced issues with Slow Requests from ATS.  Also

[Aug 13 21:05:56.242] Server {0x2b41ad211700} ERROR: [1746026] Slow Request: client_ip: 127.0.0.1:51987 url: api.mapbox.com:443/ status: 200 unique id:  bytes: 24092 fd: 0 client state: 0 server state: 0 ua_begin: 0.000 ua_read_header_done: 0.000 cache_open_read_begin: -1.000 cache_open_read_end: -1.000 dns_lookup_begin: 0.000 dns_lookup_end: 0.000 server_connect: 0.000 server_first_read: -1.000 server_read_header_done: -1.000 server_close: -1.000 ua_close: 30.859 sm_finish: 30.859
Member_2_6506753Asked:
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gheistCommented:
Just increase backend timeout and look in backend logs why request took 30s until ATS aborted it.
btw Apache and Nginx both agree on 5min backend timeout in their defaults.

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gheistCommented:
Thats the way it works
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