maria-developers team mailing list archive

[Igor Babaev <igor@xxxxxxxxxxxx>]

On 02/15/2013 04:17 AM, Zardosht Kasheff wrote:
> Hello all,
> 
> Is there anything to implementing multi range read for storage
> engines? Or is there a default implementation that is likely good
> enough.
> 
> Also, is there anything one can read to understand how the feature
> works and its benefits?
> 
> Thanks
> -Zardosht

Hi Zardosht,

I googled "MySQL Multi Range Read" and got
among other references:

1. https://kb.askmonty.org/en/multi-range-read-optimization/

2. http://dev.mysql.com/doc/refman/5.6/en/mrr-optimization.html

The first article was written by Sergey Petrunia, the guy who wrote
disk-sweep MRR.
I find it the most comprehensive.

The second article was written also by him but when he worked at Sun.
Later this article was slightly changed by MySQL/Oracle people.

Regards,
Igor.

> 
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