good place to remind that if you don't want the return value of a write operation then you need to specify both flags: cache.withFlags(Flag.SKIP_REMOTE_LOOKUP, Flag.SKIP_CACHE_LOAD).put( .. )
I guess that nobody knows that :) Sanne 2011/5/16 Emmanuel Bernard <emman...@hibernate.org>: > Yes I think something use case driven would make a nice portal. > > On 16 mai 2011, at 17:22, Galder Zamarreño wrote: > >> >> On May 16, 2011, at 2:23 PM, Emmanuel Bernard wrote: >> >>> Your description explains a use case / pattern but wo code showing how to >>> implement it properly. >> >> True and I think you have a point, though the use of putForExternalRead() >> itself is something that should be documented either its javadoc or a >> separate wiki. >> >> This wiki should be limited to explaining the actual flags. >> >>> In this case what's the best way for me to verify that the new data has >>> indeed been pushed to the cache? >>> put and then immediate get >>> Put, wait, get >>> Put all entries, then get all entries, and loop till all entries supposedly >>> put are indeed present. >>> Same as above but with some kind of batch size instead of all the data set? >>> Or is there some kind of queue/log I can look for to get the reliable list >>> of failures? >> >> If you need immediate verification I would not use putForExternalRead() but >> maybe a putAsync() with the flags you want which returns you a future and >> allows you to verify the result in a less wacky way. >> >> The normal use case of PFER is: >> 1. Check the cache whether an k/v is present >> 2. If not present, go to db and call PFER with it. >> 3. Use whatever you retrieved from db to do your job. >> ... >> N. Check the cache whether k/v is present >> N+1. Oh, it's present, so just use it instead of going to DB. >> >> This could be a good FAQ, wdyt? >> >>> >>> Emmanuel >>> >>> >>> On 16 mai 2011, at 10:20, Galder Zamarreño <gal...@redhat.com> wrote: >>> >>>> More wikis. I've just created http://community.jboss.org/docs/DOC-16803 >>>> which explains what Infinispan flags are, what they're used for...etc. >>>> >>>> Feedback appreciated >>>> -- >>>> Galder Zamarreño >>>> Sr. Software Engineer >>>> Infinispan, JBoss Cache >>>> >>>> >>>> _______________________________________________ >>>> infinispan-dev mailing list >>>> infinispan-dev@lists.jboss.org >>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev >>> >>> _______________________________________________ >>> infinispan-dev mailing list >>> infinispan-dev@lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/infinispan-dev >> >> -- >> Galder Zamarreño >> Sr. Software Engineer >> Infinispan, JBoss Cache >> >> >> _______________________________________________ >> infinispan-dev mailing list >> infinispan-dev@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/infinispan-dev > > > _______________________________________________ > infinispan-dev mailing list > infinispan-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/infinispan-dev > _______________________________________________ infinispan-dev mailing list infinispan-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/infinispan-dev