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For only-if-cached ... isn't a cache supposed to return error when some non-cached data is requested? This could be implemented as a flag in read-request from IO. I understand this might be a problem for xcache as there might be hole in a file causing the read to be going smoothly for a long time before it hits a hole in cached data. Again (as for #1953) I think this should not be a state of XrdPfcFile. We can find a way to disable prefetching on such IO. And, also again, for direct mode proxies we should find a way to coalesce clients with the same cache-control to the same IO. One has to think at this point how various control flags interact ... and which are clearly invalid, e.g., no-cache&only-if-cached. -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/pull/1954#issuecomment-1467112416 You are receiving this because you are subscribed to this thread. Message ID: <[log in to unmask]> ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1