On Tue, 2012-07-03 at 04:02 +0200, Jan Engelhardt wrote: > On Tuesday 2012-07-03 03:44, Simo Sorce wrote: > > > >The memory cache does not do negative caching indeed, but sssd_nss does, > >however it caches negative entries for a very short period of time. > > How short is the default? > > >However in order to notice this you'd need to have a huge amounts of > >unexisting entries you query in sequence. > > It's a very bounded set of user/groups (< 5). > > >> On the whole picture, I am trying out "bindfs", and how long it takes to > >> extract e.g. a kernel tarball with a given, but fixed over all test > >> runs, set of bindfs options. It's mostly about repeated getpw*/getgr* > >> lookups (at least one per created file). > > > >Ah I see, you are paying the penalty for a full roundtrip to sssd_nss > >for each file created. I think we can work on adding some negative > >caching to the memory cache so to reduce from one call every file to one > >call every 5 seconds or so. > > > >Would you mind opening a ticket for it ? > > The default trac interface is horrible. There just is no link on the > frontpage to submit an issue. (Compare with sourceforge project pages > where there is clearly "support"/"tracker". Or people accept stuff on > mailing lists.)
When you are logged in there is a "New Ticket" button ... Don't worry I'll open it. Simo. -- Simo Sorce * Red Hat, Inc * New York _______________________________________________ sssd-devel mailing list sssd-devel@lists.fedorahosted.org https://fedorahosted.org/mailman/listinfo/sssd-devel
