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To: Stas Malyshev <smalyshev@sugarcrm.com>, Nuno Lopes <nlopess@php.net>, 
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Subject: Re: [PHP-DEV] Concurrency support for run-tests
From: mike@php.net (Michael Wallner)

On 09/07/14 22:00, Stas Malyshev wrote:
> Hi!
> 
>> Having thought a bit about the subject, the heuristic I came up with was to 
>> 1) do not run tests from the same extension in parallel, and 2) do not run 
>> tests from certain extensions in parallel (e.g., mysql and pdo_mysql).
> 
> How about making it a whitelist? For tests/extensions we know it's easy
> to paralellize (like ones not having external dependencies/servers/etc)
> simple script could whitelist a lot of them. For those more tricky, we
> could whitelist them gradually.
> 

So how about adding the concurrency switch, but leaving it disabled by
default?

-- 
Regards,
Mike