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Re: Are some MyISAM settings used for Aria


Hi Federico!

Le 24/04/2017 à 18:56, Sales a écrit :
On Apr 24, 2017, at 8:14 AM, Federico Razzoli <federico_raz@xxxxxxxx> wrote:

Hi Jocelyn,

The article you linked is quite old, so I wanted to check the source code to find if something changed.
I didn't investigate much but I searched in MariaDB's master branch via GitHub. The search strings were 'read_rnd_buffer_size' and 'read-rnd-buffer-size'. I found nothing except for some test files and the variable initialization at server startup.
I repeated the same searches in MySQL master branch, and again, I found only tests and initialization.
Can you explain this? The variable is unused now?
You should search read_rnd_buff_size, it's used in sql/records.cc to compute the size of the cache_records in the READ_RECORD struct.


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