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Re: MySQL optimization for testing purpose




On 04/03/2018 05:59 PM, Sebastien FLAESCH wrote:
Hi all,

Looking for some configuration tips to speed execution of our non-regression tests with MySQL.

We do pure functional testing, data persistence is not critical.

Our tests are not using a lot of data, but we create and drop a lot of test tables.

We have concurrency tests (processes locking rows), so this feature matters.

Are there some InnoDB params to enable or disable to speed up our tests?

Some tests behave a bit strange, sometimes one of our test takes 1 min 30 secs, sometimes
it takes only 15 seconds...

In fact this tests creates and drops ~150 times the same table, having a single column
using different types each time.

I can clearly see that sometimes table creations are fast, but from time to time it
slows down to about a second to create a table.


How can this happen?

Any log I could enable and provide here?

Thanks in advance!
Seb



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