[ https://issues.apache.org/jira/browse/KAFKA-8289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Roesler updated KAFKA-8289: -------------------------------- Affects Version/s: (was: 2.3.0) > KTable<Windowed<String>, Long> can't be suppressed > --------------------------------------------------- > > Key: KAFKA-8289 > URL: https://issues.apache.org/jira/browse/KAFKA-8289 > Project: Kafka > Issue Type: Bug > Components: streams > Affects Versions: 2.1.0, 2.2.0, 2.1.1 > Environment: Broker on a Linux, stream app on my win10 laptop. > I add one row log.message.timestamp.type=LogAppendTime to my broker's > server.properties. stream app all default config. > Reporter: Xiaolin Jia > Assignee: John Roesler > Priority: Blocker > Fix For: 2.3.0, 2.2.1 > > > I write a simple stream app followed official developer guide [Stream > DSL|[https://kafka.apache.org/22/documentation/streams/developer-guide/dsl-api.html#window-final-results]]. > but I got more than one [Window Final > Results|https://kafka.apache.org/22/documentation/streams/developer-guide/dsl-api.html#id31] > from a session time window. > time ticker A -> (4,A) / 25s, > time ticker B -> (4, B) / 25s all send to the same topic > below is my stream app code > {code:java} > kstreams[0] > .peek((k, v) -> log.info("--> ping, k={},v={}", k, v)) > .groupBy((k, v) -> v, Grouped.with(Serdes.String(), Serdes.String())) > .windowedBy(SessionWindows.with(Duration.ofSeconds(100)).grace(Duration.ofMillis(20))) > .count() > .suppress(Suppressed.untilWindowCloses(BufferConfig.unbounded())) > .toStream().peek((k, v) -> log.info("window={},k={},v={}", k.window(), > k.key(), v)); > {code} > {{here is my log print}} > {noformat} > 2019-04-24 20:00:26.142 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:00:47.070 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556106587744, > endMs=1556107129191},k=A,v=20 > 2019-04-24 20:00:51.071 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:01:16.065 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:01:41.066 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:02:06.069 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:02:31.066 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:02:56.208 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:03:21.070 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:03:46.078 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:04:04.684 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:04:11.069 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:04:19.371 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107426409},k=B,v=9 > 2019-04-24 20:04:19.372 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107445012},k=A,v=1 > 2019-04-24 20:04:29.604 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:04:36.067 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:04:49.715 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107451397},k=B,v=10 > 2019-04-24 20:04:49.716 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107469935},k=A,v=2 > 2019-04-24 20:04:54.593 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:05:01.070 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:05:19.599 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:05:20.045 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107476398},k=B,v=11 > 2019-04-24 20:05:20.047 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107501398},k=B,v=12 > 2019-04-24 20:05:26.075 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:05:44.598 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:05:50.399 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107519930},k=A,v=4 > 2019-04-24 20:05:50.400 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107526405},k=B,v=13 > 2019-04-24 20:05:51.067 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:06:09.595 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:06:16.089 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:06:20.765 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107544929},k=A,v=5 > 2019-04-24 20:06:20.767 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107569926},k=A,v=6 > 2019-04-24 20:06:34.595 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:06:41.063 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:06:51.081 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107576415},k=B,v=15 > 2019-04-24 20:06:51.082 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107594925},k=A,v=7 > 2019-04-24 20:06:59.607 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:07:06.072 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:07:21.440 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107601391},k=B,v=16 > 2019-04-24 20:07:21.441 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107619935},k=A,v=8 > 2019-04-24 20:07:24.596 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:07:31.066 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:07:49.608 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:07:51.775 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107626420},k=B,v=17 > 2019-04-24 20:07:51.777 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107651396},k=B,v=18 > 2019-04-24 20:07:56.064 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:08:14.591 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:08:21.066 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:08:22.125 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107669943},k=A,v=10 > 2019-04-24 20:08:22.126 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107694921},k=A,v=11 > 2019-04-24 20:08:39.619 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:08:46.067 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:08:52.457 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107701397},k=B,v=20 > 2019-04-24 20:08:52.458 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107719949},k=A,v=12 > 2019-04-24 20:09:04.599 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=A > 2019-04-24 20:09:11.066 INFO --- [-StreamThread-1] c.g.k.AppStreams > : --> ping, k=4,v=B > 2019-04-24 20:09:22.794 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107226473, > endMs=1556107726398},k=B,v=21 > 2019-04-24 20:09:22.796 INFO --- [-StreamThread-1] c.g.k.AppStreams > : window=Window{startMs=1556107445012, > endMs=1556107744928},k=A,v=13{noformat} > Can‘t a [SessionWindowedKStream] be suppressed after count operation? It > seems the latest type record produce a previous type record 'Window Final > Results'. I just want get exactly one [Window Final > Results|https://kafka.apache.org/22/documentation/streams/developer-guide/dsl-api.html#id31]. > > First i just start one time ticker, log print seems ok, when I start the > second, then window info print log appeared. > My source stream record rate is a same v record / 25s, gap of inactivity is > 100s, 25<100. I shouldn't got so many window info print log. Session window > close and then reopened? my grace is 20 millisecond, it should not be ah. -- This message was sent by Atlassian JIRA (v7.6.3#76005)