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Re: MySQL optimisation for single laptop with 16 GB RAM
Posted by: Rick James
Date: September 10, 2016 12:17AM

Your two changes are probably good.

Although the buffer_pool could be higher, you probably need to leave a lot of RAM for R.

"bigger isn't always better" -- very true.

Some JOINs are quite performant; some are terrible. I can't make a useful statement without further info.

join_buffer_size and tmp_buffer_size should not be bigger than 1% of RAM.

Many performance issues are due to a missing 'composite' index.

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Re: MySQL optimisation for single laptop with 16 GB RAM
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September 10, 2016 12:17AM


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