When exactly do retries happen?

[ericjs]

I understand that "-max-time=N" will cancel and retry if a reponse doesn't come back in N seconds .

And I read in Changes.txt "curl to retry 3 times in most cases", and gather it depends on one's version of curl supporting retries or else it will be disabled. The documentation page also says "Retries all requests up to 3 times".

But when exactly do and don't retries happen? Will it retry any command on any error response or just some? For example a head command returning 404 probably shouldn't retry. A checksum failure probably should retry. I would think 400-series errors should not retry, but 500-series errors should. Is this the rule of thumb used?

[timkay]

I think it does as you suggest, retry when it makes sense based on the http
code. (I have seen a situation where the web server returned the wrong http
code, and the retry did not happen even though a retry would have solved
the problem.) I can't answer in much detail, as it's mostly a curl issue.
On Nov 17, 2015 1:25 PM, "Eric" [email protected] wrote:

I understand that "-max-time=N" will cancel and retry if a reponse doesn't
come back in N seconds .

And I read in Changes.txt "curl to retry 3 times in most cases", and
gather it depends on one's version of curl supporting retries or else it
will be disabled. The documentation page also says "Retries all requests up
to 3 times".

But when exactly do and don't retries happen? Will it retry any command on
any error response or just some? For example a head command returning 404
probably shouldn't retry. A checksum failure probably should retry. I would
think 400-series errors should not retry, but 500-series errors should. Is
this the rule of thumb used?

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