* support alphanumeric sort in search query
* address a comment about handling equals() and hashCode()
* address comments
* add Ut for string comparators
* address a comment about space indentations.
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.
* Add status command to launch scripts
* make druid init script to pick up config directories from environment variables
make druid init script to pick up config directories from environment
variables
* add get dimension rangeset to filters
* add get domain to ShardSpec and added chunk filter in caching clustered client
* add null check and modified not filter, started with unit test
* add filter test with caching
* refactor and some comments
* extract filtershard to helper function
* fixup
* minor changes
* update javadoc
* Better handling for parseExceptions
* make parseException handling consistent with Realtime
* change combiner default val to true
* review comments
* review comments
* docs: replace OR by AND inside topnquery docs about multi value dimensions
* docs: replace OR by AND inside groupby docs about multi value dimensions
* Allow S3 version finder to search entire s3 object key
* Previously only was able to search immediate "directory"
* Update method javadoc
* Expand docs a bit better
* fix caching for search results
properly read count when reading from cache.
* fix NPE during merging search count and add test
* Update cache key to invalidate prev results
Himanshu
Fangjin Yang
Parag Jain
Bingkun Guo
Charles Allen
Xavier Léauté
Gian Merlino
Jonathan Wei
David Lim
jaehong choi
du00cs
Hyukjin Kwon
Nishant
Dave Li
michaelschiff
linbo.jin