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Posted to dev@superset.apache.org by John Dolphin <jo...@gmail.com> on 2018/10/10 17:56:40 UTC

query finished with 20 seconds, but result show up in sqllab after 10 minutes

I set up superset with clickhouse as the database source, run a query in
sql lab, it take 10 minutes to return the result, but when check the
clickhouse I see the query finished within 20 seconds, why it take so long
to show the result? the query run in asyn mode and redis is the broker.


Thanks