slow.log:
# Query_time: 14 Lock_time: 0 Rows_sent: 30 Rows_examined: 771327
SELECT * FROM `post` LIMIT 771297, 30;
i dp have privmary key on table `post`
does 'Rows_examined: 771327' means mysqlserver read through those 771327
rows to get 30 rows?
it takes 14 seconds!
possible to show 'Rows_examined' in a explain or other commands? slow log is
hard to debug..
and possible to optimize?
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