Re: [Lsf-pc] [HACKERS] Linux kernel impact on PostgreSQL performance

2014-01-20 Thread Jeff Layton
t; > Postgres is far from being the only application that wants this; many > > people resort to tmpfs because of this: > > https://lwn.net/Articles/499410/ > > Yes, we covered the possibility of using tmpfs much earlier in the > thread, and came to the conclusion that te

Re: [Lsf-pc] [HACKERS] Linux kernel impact on PostgreSQL performance

2014-01-17 Thread Jeff Layton
> the prospect of a cross-country flight is a somewhat depressing > thought, it does sound pretty cool, so I'm potentially interested. I > have no idea what the procedure is here for moving forward though, > especially since it sounds like there might be only one seat available > and I don't know who else may wish to sit in it. > -- Jeff Layton -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers

Re: [Lsf-pc] [HACKERS] Linux kernel impact on PostgreSQL performance

2014-01-16 Thread Jeff Layton
all that way, but if there is mem pressure they could get swapped out (maybe this is standard practice already -- I don't know). > > As Dave notes, unless there is HW support (which is coming with newest > > solid state drives), ext4/xfs will have to implement this by writing data > >