I guess your intention is to rewrite a single segment by merging base file and delta files to improve the query performance of that segment, right? I think this is doable and note that this operation may be time consuming since it is rewriting the whole segment.
Regards, Jacky > 在 2019年3月30日，上午10:36，xm_zzc <[email protected]> 写道： > > Hi, Akash R: > thanks for your reply. > I am talking about the delta data files including update and delete delta > files. Horizontal compaction just compacts all delta files into one in one > segment, right? But if the size of segment is big and the size of update and > delete delta file is big too, I think it will effect the query performance, > because it needs to filter carbondata files and delta file, right? > > > -- > Sent from: > http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/ >
