William Bardwell created TS-3348:
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Summary: read while write config and range issues
Key: TS-3348
URL: https://issues.apache.org/jira/browse/TS-3348
Project: Traffic Server
Issue Type: Bug
Components: Core
Reporter: William Bardwell
Attachments: TS-3348.diff
We had a number of problems with the read-while-write logic.
#1) you can't set background fill config options to keep background fill from
behaving badly because they are shared too much with read-while-write
#2) logic around filling range requests out of partial cache entries is too
restrictive
#3) issues around read_while_write not working if there is a transform anywhere
#4) some related config is not overridable
So we think that our patch fixes all of these issues...mostly.
(The background fill timeout doesn't get re-instated if a download switches to
read-while-write and then back. The Range is in cache code doesn't seem write
for small things or possibly for seeing the current fragment that is only
partially downloaded.)
But we would like some review of this to see if we are doing anything
dangerous/not right/not helpful.
Might also help TS-2761 and issue around range handling.
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