Hello!

1) Roughly yes: you need to do checkpoint, RAM does not need wal/ but only
db/, and also you need checkpoint page buffer with persistence which you
can add to memory region when going pure-RAM.

2) I don't think that per cache metrics exist.

Regards,
-- 
Ilya Kasnacheev


пн, 25 февр. 2019 г. в 15:02, newigniter <[email protected]>:

> Yes of course.
> All of my data is imported through sql. I have it in the warehouse, and
> then
> just inserting them to ignite.
> I was trying through SQL query get size in bytes for single row and then
> based on that trying to predict resources needed. That's why I was confused
> seeing so much more resources needed in ignite when I imported a small
> amount of data. Not sure whether I was going in the right direction with
> this?
>
> Btw, 2 additional questions:
>
> 1.) after I import all of my data to ignite, and when I see how much disk
> space was needed for it, is it safe to presume that the same amount of RAM
> is needed if I want to have all of the data in memory?
> 2.) is it possible to see how much each cache takes memory? For disk, I can
> get it by checking cache directory sizes. Can I do something similar to
> check memory per cache?
>
> Tnx.
>
>
>
>
> --
> Sent from: http://apache-ignite-users.70518.x6.nabble.com/
>

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