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A comment on Snappy Dashboards with Redis. Parent comment

Re:Snappy Dashboards with Redis by pestaa on Tuesday October 16, 2012 @01:20AM (#4658546)
Note that recent versions of Postgres can now COUNT against indices so no need to do a full table scan.
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Re:Snappy Dashboards with Redis by samstokes on Wednesday October 17, 2012 @01:30PM (#4665538)
This certainly helps, but if your indices are several GB in size, even an index scan is a nontrivial expense.
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