Commit Graph

12 Commits

Author SHA1 Message Date
Himanshu Gupta a99aef29a1 adding aggregators to segment metadata 2016-01-19 14:23:39 -06:00
Himanshu Gupta 52eb0f04a7 adding a new method getMergingFactory(..) to AggregatorFactory 2016-01-18 22:03:46 -06:00
Kurt Young 1f2168fae5 add IndexMergerV9
add unit tests for IndexMergerV9 and fix some bugs

add more unit tests and fix bugs

handle null values and add more tests

minor changes & use LoggingProgressIndicator in IndexGeneratorReducer

make some static class public from IndexMerger

minor changes and add some comments

changes for comments
2016-01-16 11:25:28 +08:00
Himanshu Gupta c6634d7c2c adding json for thetaSketch Memory object representation 2016-01-05 22:12:52 -06:00
Himanshu Gupta 62e5e45da8 add select query UT for thetaSketch 2016-01-05 22:12:52 -06:00
Himanshu Gupta 3f048f0b15 adding support to execute Select queries in AggregationTestHelper so that Select query based UTs can be written for complex aggregator implementations 2016-01-05 21:54:55 -06:00
Himanshu Gupta 62ba9ade37 unifying license header in all java files 2015-12-05 22:16:23 -06:00
Himanshu Gupta f99bad7988 reformat datasketches module to satisfy druid style guidelines 2015-11-19 01:07:03 -06:00
Himanshu Gupta fde9df2720 update to sketches-core-0.2.2 .
adds support for "cardinality" aggregator.
do not create sketch per event at ingestion time to make realtime ingestion faster
2015-11-19 01:05:59 -06:00
Himanshu Gupta 338f88b86b further simplifying the api, users just need to use thetaSketch as aggregator 2015-11-12 00:04:34 -06:00
Himanshu Gupta 88ae3c43f9 changing names to be explicit about theta sketch algorithm
old names are still valid though so as to be backwards compatible for now
2015-11-12 00:04:34 -06:00
Himanshu Gupta 817cf41f5c druid aggregators based on datasketches lib http://datasketches.github.io/ 2015-11-12 00:04:33 -06:00