Hey Carsten, What about doing the initial scanning also async? As in that you do the initial scanning in the first scheduled run, without throwing change events for that first run
Greets, Roy > On 29 Sep 2017, at 15:57, Carsten Ziegeler <cziege...@apache.org> wrote: > > > > > Stefan Seifert wrote >> >>> I think we could try using newer file features from Java 7 which might >>> make the scanning obsolete. But I've never looked into it. >> >> you mean with e.g. this? >> https://docs.oracle.com/javase/7/docs/api/java/nio/file/WatchService.html >> >> i had this on my todo list some time ago for fsresource - but after some >> first experiments this seems to behave different depending on the operation >> system (windows vs. linux), so i dropped it that time. if someone comes up >> with a concept that works reliable on all operation systems i would be glad >> to help integrate it in fsresource. >> > > Yes, I agree - this doesn't seem to help (I now remember that I looked > into it a long time ago). > > I'm not sure if this is a good idea, but we could have a switch that > skips the initial scan and also skips registering the periodic scanners. > Once a file is accessed we lazily add a scanner for that directory to > the list. So once a resource/file is used you get change events. If a > directory is never touched, we don't do anything. > > Regards > Carsten > -- > Carsten Ziegeler > Adobe Research Switzerland > cziege...@apache.org
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