On Thu, Oct 31, 2013 at 01:16:44PM +, Mitsumasa KONDO wrote:
> --- a/src/backend/storage/file/fd.c
> +++ b/src/backend/storage/file/fd.c
> @@ -383,6 +383,21 @@ pg_flush_data(int fd, off_t offset, off_t amount)
> return 0;
> }
>
> +/*
> + * pg_fallocate --- advise OS that the data pre-a
On 10/31/13, 9:16 AM, Mitsumasa KONDO wrote:
> I'l like to add fallocate() system call to improve sequential read/write
> peformance. fallocate() system call is different from posix_fallocate()
> that is zero-fille algorithm to reserve continues disk space.
> fallocate() is almost less overhead alo
On Thu, Oct 31, 2013 at 9:16 AM, Mitsumasa KONDO
wrote:
> I'l like to add fallocate() system call to improve sequential read/write
> peformance. fallocate() system call is different from posix_fallocate() that
> is zero-fille algorithm to reserve continues disk space. fallocate() is
> almost less
Hi,
I'l like to add fallocate() system call to improve sequential read/write
peformance. fallocate() system call is different from posix_fallocate()
that is zero-fille algorithm to reserve continues disk space. fallocate()
is almost less overhead alogotithm to reserve continues disk space than
pos
