All right, will do trident instead, shameless to ask again, any example code (particularly for events time sorting) to study?
thanks > On Aug 25, 2015, at 4:31 PM, Andrew Xor <[email protected]> wrote: > > Well, if you need to just preserve the order of received (event) tuples then > why not use trident instead? Trident ensures correct ordering > (chronologically) as well as exactly once processing without any gimmicks; > sorting it secondary to the event generation sounds like you will enter into > quite a bit of hassle for no reason. > > Regards. > > Kindly yours, > > Andrew Grammenos > > -- PGP PKey -- > <https://www.dropbox.com/s/2kcxe59zsi9nrdt/pgpsig.txt> > https://www.dropbox.com/s/yxvycjvlsc111bh/pgpsig.txt > <https://www.dropbox.com/s/ei2nqsen641daei/pgpsig.txt> > > On Wed, Aug 26, 2015 at 2:00 AM, Alec Lee <[email protected] > <mailto:[email protected]>> wrote: > BTW, I am using spout and bolts, currently not using trident. Thanks > > >> On Aug 25, 2015, at 3:47 PM, Andrew Xor <[email protected] >> <mailto:[email protected]>> wrote: >> >> What do you mean by that? It's a bit vague as timestamps can have quite high >> resolution (like for example minutes, seconds, msec) so you will probably >> have to do a bit of bucketization before sorting them.... then by using a >> partition aggregator (in Trident at least) you can to this very easily. >> >> Hope this helps. >> >> Kindly yours, >> >> Andrew Grammenos >> >> -- PGP PKey -- >> <https://www.dropbox.com/s/2kcxe59zsi9nrdt/pgpsig.txt> >> https://www.dropbox.com/s/yxvycjvlsc111bh/pgpsig.txt >> <https://www.dropbox.com/s/ei2nqsen641daei/pgpsig.txt> >> >> On Wed, Aug 26, 2015 at 1:37 AM, Alec Lee <[email protected] >> <mailto:[email protected]>> wrote: >> Hi, all >> >> is there any sample codes to sort the events in terms of the timestamps >> field of a tuple? >> >> thanks >> >> >> AL >> > >
