Welcome to MySQL QA Episode 9. This episode will go more in-depth into reducer.sh: Reducing Testcases for Experts: multi-threaded reducer.sh

We will explore how to use reducer.sh to do true multi-threaded testcase reduction – a world’s first.

Topics:

  1. Expert configurable variables & their default reducer.sh settings
    1. PQUERY_MULTI
    2. PQUERY_MULTI_THREADS
    3. PQUERY_MULTI_CLIENT_THREADS
    4. PQUERY_MULTI_QUERIES
    5. PQUERY_REVERSE_NOSHUFFLE_OPT

Full-screen viewing @ 720p resolution recommended.

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Roel Van de Paar

All, please note we have moved percona-qa to GitHub:
https://github.com/Percona-QA/percona-qa

To clone it, use:
$ sudo yum install git
$ cd ~
$ git clone https://github.com/Percona-QA/percona-qa.git

reducer.sh was also put directly into this repository (and it is maintained there), so *no* need anymore to separately fetch lp:randgen.

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