On Mon, 13 Mar 2023, Matev? Tadel wrote:
> @abh3 if there are URL arguments in the open request -- does this
>affect selection of IO object in direct mode proxies? I.e., would
>open("/foo.root?a") and open("/foo.root?b") use the same IO object?
We have no special CGI for anything but POSC and space allocation (space
name and amount of space). What is being discussed here seems to be
spilling across several PR's. I've already commented on one of them. I
think, as you alluded, we should be wary of implementing complex logic
when there is no obvious use case for it. Also, I do agree, most of this
makes sense for forwardng proxies not ones that have a fixed origin.
> #### Notes
>
> 1. It is unclear how to properly implement no-cache in XCache case: even if we were to do stat on some remote replica the most we could check would be file-size -- unless we required a checksum support and also stored it in the pfc info file. I assume this is why you implemented it as always requesting data from the remote. Still, with no-cache it could still be allowed to be stored (but could conflict with the existing data in the cache and that's why you decided to drop it).
>
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