Marko Mäkelä 516f7c111b Speed up main.sum_distinct-big ...

Eliminate one InnoDB table with 128*16384 rows, and use
the sequence engine instead. Also, run everything in a single
transaction, to prevent purge from running concurrently
unnecessarily. (Starting with MariaDB Server 10.3, purge would
reset the DB_TRX_ID after INSERT.)

2019-09-25 11:29:21 +03:00

3.4 KiB

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