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Re: Key Partition Performance Measurement
Posted by: Rick James
Date: May 28, 2010 11:39PM

It is usually not useful to partition on the first field in the PRIMARY KEY.

If "select * from UserUsage where Msisdn=<number> order by Date desc limit 7" is your primary query, then a non-partitioned table with
INDEX(Msisdn, Date)
is optimal. (Indeed, that is your PRIMARY KEY).

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Re: Key Partition Performance Measurement
May 28, 2010 11:39PM

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