First: Sorry for the shameless self advertising, but...
I uploaded two lustre-related modules to the CPAN:
#1: Lustre::Info provides easy access to information located
at /proc/fs/lustre, it also comes with a 'performance monitoring'
script called 'lustre-info.pl'
#2 Lustre::LFS offers I
Hi,
I am trying to educate myself on prefetching/readahead algorithm for
Lustre's read. For a starter I only have two simple questions.
1 - Does Lustre detect linear or random I/O pattern or it always triggers
readahead?
2 - If readahead is triggered, how many pages are read in addition to what
i
On 2010-07-28, at 10:43, Arifa Nisar wrote:
> I am trying to educate myself on prefetching/readahead algorithm for
> Lustre's read. For a starter I only have two simple questions.
>
> 1 - Does Lustre detect linear or random I/O pattern or it always triggers
> readahead?
The current algorithm dete
