Hi Joakim ,

If I understand it correctly, the string-day entity would be something like
this:
Suppose there are 10000 different strings S1, S2, ..., S10000 on some
particular day, each asked many a times in that day d1, then we will have
10000 of entities: d1S1, d1S2, ...,d1S10000. That means, suppose there are
't' days in the given time period, and on all of the days in this interval,
there are only 10000 different strings (S1 to S10000), and assuming that
each of the string is inputted on half of the days in the time interval -
that means we will have to process 10000 * (t/2) records - for t = 200
days, it turns out to be 1 Million of records processing for a single
query. This too, when we have assumed that there are only 10000 different
queries in those 200 days - in a real scenario this can well be 100000.

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