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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2018/09/19 01:48:00 UTC
[jira] [Assigned] (KYLIN-2615) Need better documents that explains
design choices
[ https://issues.apache.org/jira/browse/KYLIN-2615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shaofeng SHI reassigned KYLIN-2615:
-----------------------------------
Assignee: Shaofeng SHI
> Need better documents that explains design choices
> --------------------------------------------------
>
> Key: KYLIN-2615
> URL: https://issues.apache.org/jira/browse/KYLIN-2615
> Project: Kylin
> Issue Type: Wish
> Components: Documentation
> Reporter: nirav patel
> Assignee: Shaofeng SHI
> Priority: Major
>
> I see there are documents that explains how Kylin ingest hive tables and build cubes/cuboids using MR and/or spark but there is hardly anything about how it defines Metadata for cubes/segments, what are Segments, how it builds indexes (Dictionaries, Inverted index if any) and how that helps querying against cubes stored on hbase.
> Other thing is how Kylin manages read-write isolation (read while write). Is it snapshot based or something that user needs to take care of?
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