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59 Commits

Author SHA1 Message Date
Akash Dwivedi 3e408497b3 Migrating bytebuffercollections from Metamarkets. (#3647) 
* Migrating  bytebuffercollections from Metamarkets.

* resolving code conflicts and removing <p> from bytebuffer-collections.
 2016-11-11 10:51:07 -08:00
Gian Merlino 89d9c61894 Deprecate Aggregator.getName and AggregatorFactory.getAggregatorStartValue. (#3572) 2016-10-31 15:24:30 -07:00
Akash Dwivedi 4b3bd8bd63 Migrating java-util from Metamarkets. (#3585) 
* Migrating java-util from Metamarkets.

* checkstyle and updated license on java-util files.

* Removed unused imports from whole project.

* cherry pick metamx/java-util@826021f.

* Copyright changes on java-util pom, address review comments.
 2016-10-21 14:57:07 -07:00
Gian Merlino 40f2fe7893 Bump versions to 0.9.3-SNAPSHOT (#3524) 2016-09-29 13:53:32 -07:00
Gian Merlino 4cc39b2ee7 Alternative groupBy strategy. (#2998) 
This patch introduces a GroupByStrategy concept and two strategies: "v1"
is the current groupBy strategy and "v2" is a new one. It also introduces
a merge buffers concept in DruidProcessingModule, to try to better
manage memory used for merging.

Both of these are described in more detail in #2987.

There are two goals of this patch:

1. Make it possible for historical/realtime nodes to return larger groupBy
   result sets, faster, with better memory management.
2. Make it possible for brokers to merge streams when there are no order-by
   columns, avoiding materialization.

This patch does not do anything to help with memory management on the broker
when there are order-by columns or when there are nested queries. That could
potentially be done in a future patch.
 2016-06-24 18:06:09 -07:00
Gian Merlino ebf890fe79 Update master version to 0.9.2-SNAPSHOT. (#3133) 2016-06-13 13:10:38 -07:00
Charles Allen 15ccf451f9 Move QueryGranularity static fields to QueryGranularities (#2980) 
* Move QueryGranularity static fields to QueryGranularityUtil
* Fixes #2979

* Add test showing #2979

* change name to QueryGranularities
 2016-05-17 16:23:48 -07:00
fjy c418a55638 cleanup distinct count agg 2016-03-28 17:29:41 -07:00
binlijin 2729efca71 implement special distinctcount 2016-03-24 11:11:11 +08:00