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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
..
alerts.md renaming all *.md filenames to only have lowercase and dashes 2015-05-29 20:55:42 -05:00
dump-segment.md DumpSegment: Add --dump bitmaps option. (#3221) 2016-07-06 12:42:50 -07:00
including-extensions.md remove need for tmp extensions dir (#3211) 2016-07-01 12:55:57 -07:00
insert-segment-to-db.md Namespace optimization for hdfs data segments. (#3877) 2017-03-01 09:51:20 -08:00
metrics.md fix injection bug and documentation (#4243) 2017-05-03 15:07:43 -05:00
other-hadoop.md Add mapreduce.job.classloader.system.classes property to 'Other Hadoop Versions' docs (#3706) 2016-11-18 16:16:50 -08:00
password-provider.md TLS support (#4270) 2017-07-06 17:40:12 -07:00
performance-faq.md Add streaming aggregation as the last step of ConcurrentGrouper if data are spilled (#4704) 2017-10-17 23:24:08 -07:00
pull-deps.md Pull-deps: correct the library directory in the document (#3361) 2016-08-16 17:18:15 -07:00
recommendations.md [documentation] add more jvm and os guidelines (#4793) 2017-09-20 13:12:57 -07:00
reset-cluster.md reset-cluster command to clean up druid state stored on metadata and deep storage (#3670) 2016-11-09 11:07:01 -06:00
rolling-updates.md rolling upgrade order change to bring coordinator and overlord together (#4281) 2017-07-25 12:54:12 -05:00
rule-configuration.md Add BroadcastDistributionRule (#4077) 2017-05-01 09:55:17 -07:00
tls-support.md add more tls configs to enable/disable specific cipher suites and protocols (#4902) 2017-10-09 13:53:12 -07:00
use_sbt_to_build_fat_jar.md update version numbers in docs 2015-08-17 16:41:21 -07:00