Re: Query slow on Windows, fast on Ubuntu
Do you have the same setting for innodb_buffer_pool_size ?
It could very well be the performance is different between Linux and Windows, especially if your query is disk-bound. However, the difference is much larger than expected. Do the execution time change if you run it multiple times in a row?
How does it perform if you move all predicates from HAVING to WHERE and write "select straight_join ..." ?
Øystein Grøvlen,
Senior Principal Software Engineer,
MySQL Group, Oracle,
Trondheim, Norway
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Re: Query slow on Windows, fast on Ubuntu
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