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Jihoon Son 52d7f74226 Add streaming aggregation as the last step of ConcurrentGrouper if data are spilled (#4704) 
* Add steaming grouper

* Fix doc

* Use a single dictionary while combining

* Revert GroupByBenchmark

* Removed unused code

* More cleanup

* Remove unused config

* Fix some typos and bugs

* Refactor Groupers.mergeIterators()

* Add comments for combining tree

* Refactor buildCombineTree

* Refactor iterator

* Add ParallelCombiner

* Add ParallelCombinerTest

* Handle InterruptedException

* use AbstractPrioritizedCallable

* Address comments

* [maven-release-plugin] prepare release druid-0.11.0-sg

* [maven-release-plugin] prepare for next development iteration

* Address comments

* Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit 5c6b31e488.

* Revert "[maven-release-plugin] prepare release druid-0.11.0-sg"

This reverts commit 0f5c3a8b82.

* Fix build failure

* Change list to array

* rename sortableIds

* Address comments

* change to foreach loop

* Fix comment

* Revert keyEquals()

* Remove loop

* Address comments

* Fix build fail

* Address comments

* Remove unused imports

* Fix method name

* Split intermediate and leaf combine degrees

* Add comments to StreamingMergeSortedGrouper

* Add more comments and fix overflow

* Address comments

* ConcurrentGrouperTest cleanup

* add thread number configuration for parallel combining

* improve doc

* address comments

* fix build
 		2017-10-17 23:24:08 -07:00
..
_bin Add script for getting milestone contributors (#4396) 2017-06-17 13:25:19 -07:00
_graphics In indexing service flow chart, it should be middlemanager who writes task status to zookeeper (#4654) 2017-08-27 10:17:15 -07:00
_includes towards a community led druid 2015-01-31 20:57:36 -08:00
_layouts towards a community led druid 2015-01-31 20:57:36 -08:00
content Add streaming aggregation as the last step of ConcurrentGrouper if data are spilled (#4704) 2017-10-17 23:24:08 -07:00
img Improve segment file documentation 2015-06-24 11:45:23 -07:00
_config.yml update docs jekyll config 2015-02-17 23:58:50 -08:00
_redirects.json Move caffeine out of extension and make it the default cache implementation. (#4810) 2017-09-22 10:46:55 -07:00
index.html towards a community led druid 2015-01-31 20:57:36 -08:00