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poor performances on MySQL 5.7 after migrating from MySQL5.5
Posted by: Mahdi BAICHE
Date: December 04, 2018 05:57AM

Hello

I have a performance loss problem when migrating from MySQL 5.5 to MySQL 5.7.
a query that takes 7 seconds on MySQL5.5 takes 40 seconds on MySQL5.7 (and 16 seconds with hints).
Could you help me please.

Best regards.
Mahdi,

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