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Because we decided a long time ago to keep positive as well as negative entries in the cache as apps that were issuing repetitive requests could do either negative or positive operations (not a great explanation but one that tries to capture that the issue was on both sides of the fence). Atleast that's what I recall as we did that a very long time ago. On Fri, 11 Jun 2021, Brian P Bockelman wrote: > I don't think it's incompatible with HTTP -- it's simply having problems with the sequence of operations FTS is performing. I believe they are something like this: > > ``` > mkdir /foo/bar/baz # error - does not exist > mkdir /foo/bar # success > mkdir /foo/bar/baz # success > stat /foo/bar/baz # FAIL: the prior mkdir failed with "does not exist" > ``` > > Actually - @abh3, why doesn't the `mkdir` invalidate the negative cache entry in this case? > > -- > You are receiving this because you were mentioned. > Reply to this email directly or view it on GitHub: > https://github.com/xrootd/xrootd/issues/1466#issuecomment-859980522 -- You are receiving this because you commented. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1466#issuecomment-859981689 ######################################################################## 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