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Posted to dev@carbondata.apache.org by Indhumathi <in...@gmail.com> on 2019/03/14 09:19:31 UTC

Re: [DISCUSSION] Support Incremental load in datamap and other MV datamap enhancement

Hi qiuchenjian,

*1) lazy or non-lazy mode when using different option *
  Currently MV supports data load through only lazy mode. Incremental data
loading 
  will be supported for the same

*2）reuse the existing MV data and generate new segment like you describe or 
overwrite MV table directly when using different option *
  As per the 1st point, explanation given in above posts on how 
  incremental dataloading will be supported for mv will be followed. Even if
we support
  non-lazy data load mode for MV, overwrite will not happen. 

*3)  merge the MV table segments like main table, automatically and
manually*
  Yes. Both Auto compaction and Manual compaction will be supported for mv
datamap



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