chronix.spark

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Use SolrRDD (LucidWorks 2.2 SolrSpark Adapter)

2

adersberger

Implement correct ordering of observations along joining chunked time series

3

adersberger

Cool showcase: ``` select metric, process from timeseries group by metric, process order by timeseries ``` With and without GROUP_BY pushdown and ORDERING in Spark

adersberger

Implement basic Spark Driver (incl. docs)

1

adersberger

see https://commons.apache.org/proper/commons-math/userguide/stat.html

adersberger

Based on Chronix logic but enhanced with Johannes Weigend's soluton to pre-hash the documents to avoid shuffling during import.

adersberger

Use Solr export handler

7

- Support the Solr /export interface to transfer result sets from Solar to Spark (see https://cwiki.apache.org/confluence/display/solr/Exporting+Result+Sets). - Introduce DocValues for all relevant fields to be able to export them -...

adersberger

Refactor multi-dimensional time series concept

2

- POJO representation - ChronixRDD - DataFrame

adersberger

Implement Chronix Server methods like vectorization, pre-aggregations, etc.

1

adersberger

Integrate copied code from other sub-projects into these and get it out of Chronix Spark codebase

adersberger