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We encourage you to use the release https://dist.apache.org/repos/dist/release/carbondata/1.4.01/, and feedback through the CarbonData user mailing lists!
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CarbonData supports merging of all the index files inside a segment to a single CarbonData index merge file. This enhances reduces the time need to load the indexes into Driver memory and there by significantly reduces the first query performanceresponse time.
Shows History Segments
CarbonData introduces a 'SHOW HISTORY SEGMENTS' to show all segment information including visible and invisible segments.
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Custom compaction is a new compaction type in addition to MAJOR and MINOR compaction. In custom compaction, you can directly specify the segment ids segments to be merged.
Enhancement for Detail Record Analysis
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