Also you should be aware of https://issues.apache.org/jira/browse/STORM-3280 if you intend to use Trident based windowing.
Den fre. 23. nov. 2018 kl. 12.10 skrev Stig Rohde Døssing < [email protected]>: > I don't believe you can. The Trident windowing code seems to use > System.currentTimeMillis without allowing you to set a timestamp extractor. > If you want to add this functionality, you should look at > https://github.com/apache/storm/blob/21bb1388414d373572779289edc785c7e5aa52aa/storm-client/src/jvm/org/apache/storm/trident/windowing/InMemoryTridentWindowManager.java#L53, > and likely also the other implementation of ITridentWindowManager, and make > them use the windowManager.add(event, ts) method instead of > windowManager.add(event). You can consider using > https://github.com/apache/storm/blob/21bb1388414d373572779289edc785c7e5aa52aa/storm-client/src/jvm/org/apache/storm/topology/WindowedBoltExecutor.java#L310 > for reference to how it works in regular Storm topologies. > > Note that there doesn't seem to be a watermark event generator for the > Trident code either, so you may want to look at adding that as well. > > Den fre. 23. nov. 2018 kl. 04.51 skrev 731635762 <[email protected]>: > >> Hi All, I use storm-core 1.2.2, and there is my code: >> >> spoutStream.window(TumblingDurationWindow.of(new >> BaseWindowedBolt.Duration(10, TimeUnit.SECONDS)), >> new Fields("value"), new CountAsAggregator(), new >> Fields("record")); >> >> I can't find any API to specify window timestamp field. >> >> Can anyone tell me how to set timestamp field in trident >> TumblingDurationWindow? >> >> >> Any help is appreciated. >> >> Thanks, >> ChenBo >> >>
