Hello,

Apologies if this was covered in the docs or a previous message; I couldn't 
find an answer in my search.

I am having an issue with remapping and parent caching. I have two Apache 
Traffic Server instances for HA, and each one has the other configured as its 
parent cache. The goal being a shared cache, because the two instances are 
behind a load balancer with leastconn distribution.

I am seeing an issue where cache misses on server B get forwarded to server A 
with the remapped URL and server A refuses to serve because it does not 
recognize the URL in it's remap config. (Error "ERR_INVALID_URL") I know I can 
resolve this by simply adding the original URL to the remap config, but that 
felt like the wrong fix.

Contents of remap.config now:

map http://www.proxy.example.com http://www.example.com/
map https://www.proxy.example.com https://www.example.com/


Proposed fix to my config:

map http://www.proxy.example.com http://www.example.com/
map https://www.proxy.example.com https://www.example.com/
map http://www.example.com http://www.example.com/
map https://www.example.com https://www.example.com/

Is this the "right" way to fix this issue? The duplication feels like there 
must be a better way...

Josh Gitlin
Principal DevOps Engineer
[email protected]<mailto:[email protected]>

PINNACLE 21
www.pinnacle21.com

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