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Title | Views | Posted |
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8774 | 08-27-2018 04:47 AM |
08-29-2018
03:57 AM
You can materialize this metric table with 60 rows, and then Impala will broadcast it to every node (or Hive will run a map-side join) so it will not affect the shuffling over network. However the result set will be N times larger, but that's the point of the query right? (produce from 100k with 10 metrics a 1M table)
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