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Re: RFC: Pausing a query thread

 

hum, it's a innodb table? a myisam? what are you talking about high
resource? locked tables? high write/read ?


2013/6/24 Marian Marinov <mm@xxxxxxxx>

> Hi guys,
>
> I work with hosting companies and all of my clients have the same
> irritating problem, one query taking a lot of time to finish and consuming
> a lot of resources.
>
> So I have solved the same issue but with processes on the machine by
> simply pausing(kill -STOP) these processes when the load is high and
> continuing(kill -CONT) them when the server load goes down.
>
> I want to implement the same logic within MariaDB, so I can STOP/CONT the
> thread that is executing this query.
>
> My idea is to implement this in the 'KILL query_id' function, so it will
> accept one more argument, which will be either STOP or CONT. If the
> parameter is not present, the default behavior should remain.
>
> What do you think about my approach?
>
> Marian
>
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-- 
Roberto Spadim
SPAEmpresarial

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