Re: [Discussion] Merging carbonindex files for each segments and across segments

Posted by Jin Zhou on Oct 23, 2017; 3:31am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/Discussion-Merging-carbonindex-files-for-each-segments-and-across-segments-tp24441p24492.html

Hi, ravipesala

Thank you for your proposal, merging index file is a very useful feature as
we have already met serious performance issue caused by too many index files
(case 1).

But I think the core problem of case 2 is too many loads which should be
mainly considered in segment compaction part. As  "one segment one index
file" design seems more clear and simple.

Regards,
Jin Zhou



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