timifasubaa commented on issue #4588: [sqllab] How can we make large Superset queries load faster? URL: https://github.com/apache/incubator-superset/issues/4588#issuecomment-375827342 Some more ideas were shared at today's meeting. One was having a separate flow for downloading query results as CSV. Otherwise, always limiting the query results ( this should help reduce Presto load). The question is that whe it is eventually run on a slice, it still runs the full query. Third idea is to respond early to when 1000 rows have been generated. (This can be known from the stats object returned from polling) And send that to the frontend for rendering while the rest of it runs. We will have to have an opinion on how superset should run queries and communiate that clearly in the interface so users, for example don't think the first 1K rows is all the results there is.
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