Nikolay,
> Can you list disadvantages of the Random-LRU?
Already described this in previous letters: "To find the next page for
replacement in the best case we scan 5 pages, in the worst case we can scan
all data region segment. Also, due to random nature, it's not very
effective in predicting the
Hello, Alex.
> Perhaps we can implement a special benchmark for this case with manually
> triggered "batch page replacement" using yardstick (but I'm not sure if
> ducktape can help here).
I think we should carefully describe the issues with the current approach and
then we can choose right to
Hello, Alex.
Do you have a reproducer for a Page memory issues, you described?
What is consequences of that types of issues?
Can we create some «benchmark» that will measure imrpovements of page
replacement algorithm?
May be we can use ducktape branch for it?
> 20 нояб. 2020 г., в 12:05, Alex
Zhenya,
> Alexey, we already have changes that partially fixes this issue [1]
IGNITE-13086 it's a minor improvement. We still have major problems with
our page replacement algorithm (slow page selection and non-optimal
page-fault rate). I think changing from random 5 pages to 7 will make
things ev
