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https://issues.apache.org/jira/browse/GEARPUMP-23?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15508995#comment-15508995
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ASF GitHub Bot commented on GEARPUMP-23:
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GitHub user manuzhang opened a pull request:
https://github.com/apache/incubator-gearpump/pull/85
[GEARPUMP-23] add window dsl
The PR is opened for early review and the work is in progress with
following todos.
- [ ] basic window dsl support with `WindowedWordCount` example
- [ ] improve `ReduceFunction` to not emit immediate results
- [ ] add unit tests
- [ ] add comments and update documentation
- [ ] support different types of computation (e.g. monoid which doesn't
require input elements to be held in the window)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/manuzhang/incubator-gearpump window_dsl
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-gearpump/pull/85.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #85
----
commit a69554bcdb2620a16107b23d6cee8eb5308a6043
Author: manuzhang <[email protected]>
Date: 2016-09-08T03:22:18Z
[GEARPUMP-23] add window dsl
----
> Add DSL window (time series) support
> -------------------------------------
>
> Key: GEARPUMP-23
> URL: https://issues.apache.org/jira/browse/GEARPUMP-23
> Project: Apache Gearpump
> Issue Type: Sub-task
> Components: streaming
> Affects Versions: 0.8.0
> Reporter: Kam Kasravi
> Assignee: Manu Zhang
>
> Time series support is need for both GEARPUMP-21 and GEARPUMP-22. This was
> originally github issue
> [1917|https://github.com/gearpump/gearpump/issues/1917]. Other realtime
> streaming engines support time windows such as
> [Flink|https://flink.apache.org/news/2015/12/04/Introducing-windows.html],
> [Beam|https://www.oreilly.com/ideas/the-world-beyond-batch-streaming-101] and
> a future release of
> [Spark|https://issues.apache.org/jira/secure/attachment/12793410/StructuredStreamingProgrammingAbstractionSemanticsandAPIs-ApacheJIRA.pdf].
> A comparison matrix is found
> [here|https://docs.google.com/spreadsheets/d/1OM077lZBARrtUi6g0X0O0PHaIbFKCD6v0djRefQRE1I/edit#gid=995660187]
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