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Posted to issues@kylin.apache.org by "nirav patel (JIRA)" <ji...@apache.org> on 2017/05/12 21:34:04 UTC

[jira] [Created] (KYLIN-2615) Need better documents that explains design choices

nirav patel created KYLIN-2615:
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             Summary: 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


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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