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Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
Posted by: Edwin Desouza
Date: February 11, 2020 11:14AM

can you post your:
- HW/OS Config
- MySQL 5.7.x Config
- MySQL 8.0.x Config [this should be 8.0.19, so we can do EXPLAIN ANALYZE]

and, minimum test to reproduce your issue
- Schema
- Sample Data
- Queries
- Explain for 5.7 and 8.0

that would help to understand



Edited 1 time(s). Last edit at 02/11/2020 03:51PM by Edwin Desouza.

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why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
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Sudarshan m
January 28, 2020 12:09PM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
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Edwin Desouza
January 28, 2020 03:42PM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
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Sudarshan m
January 29, 2020 04:05AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
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Peter Brawley
January 28, 2020 06:42PM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
373
Sudarshan m
January 29, 2020 04:02AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
354
Sudarshan m
January 31, 2020 04:10AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
389
Peter Brawley
January 31, 2020 10:15AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
384
Edwin Desouza
January 31, 2020 11:41AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
406
Sudarshan m
February 03, 2020 05:01AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
390
Peter Brawley
February 03, 2020 11:00AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
346
Sudarshan m
February 06, 2020 05:01AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
359
Peter Brawley
February 06, 2020 06:50AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
400
Sudarshan m
February 03, 2020 04:54AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
336
Frederic Descamps
February 03, 2020 12:35PM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
331
Sudarshan m
February 06, 2020 04:32AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
365
Frederic Descamps
February 06, 2020 11:56PM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
376
Edwin Desouza
February 07, 2020 12:03AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
571
Sudarshan m
February 10, 2020 09:09AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
377
Peter Brawley
February 10, 2020 09:45AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
356
Edwin Desouza
February 10, 2020 06:16PM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
749
Sudarshan m
February 11, 2020 04:13AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
450
Edwin Desouza
February 11, 2020 11:14AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
399
Edwin Desouza
February 11, 2020 11:16AM
Re: why MySql 8.0.17 Select query performance is slower than Mysql 5.7.26?
408
Peter Brawley
February 11, 2020 12:45PM


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