Cache Size -- why not dynamic
Ruslan Zasukhin
ruslan_zasukhin at valentina-db.com
Sun Jan 5 12:37:41 CST 2014
On 1/5/14, 2:38 PM, "jda" <jda at his.com> wrote:
>>> Why has the cache size set to be a fixed value in 2014? Shouldn¹t this be
>>> handled dynamically?
>>
>> No dynamic changes.
>>
>
> This is an old, old feature request of mine.
:-)
What sense you can see here?
Try to make 5-8 lines of specification of this feature.
Let me answer - why this should be fixed.
* because this is not just to use RAM.
this is caching of disk operations,
this can be linked future to transactions mechanism
this is very not simple area.
* because increase cache from 10Mb to 50 Mb not always affects performance.
Depends on many things.
* Because CACHE SIZE, is not the only RAM, which Valentina uses.
It can use a lots of other RAM of course.
* and because it can use RAM without limits, we even did think about one
more parameter, for example
MaxRamToUse =2 GB
This may be interesting e.g. for web servers, where other apps can also run.
But this is even more hard feature todo and not so useful for most of us.
--
Best regards,
Ruslan Zasukhin
VP Engineering and New Technology
Paradigma Software, Inc
Valentina - Joining Worlds of Information
http://www.paradigmasoft.com
[I feel the need: the need for speed]
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