t;[EMAIL PROTECTED]>
Cc: "Rob Mueller" <[EMAIL PROTECTED]>; info-cyrus@lists.andrew.cmu.edu
Sent: 1/19/07 9:42 AM
Subject: Re: using skiplist for quotas.db
On Fri, 2007-01-19 at 07:49 -0500, Ken Murchison wrote:
> Rob Mueller wrote:
> > The problem I saw was that access
On Fri, 2007-01-19 at 07:49 -0500, Ken Murchison wrote:
> Rob Mueller wrote:
> > The problem I saw was that accessing a skiplist db involves locking the
> > entire file I believe. This felt like a huge point of contention,
> > especially since every email delivered would lock it. I never did end
On Fri, 2007-01-19 at 21:58 +1100, Rob Mueller wrote:
> What filesystem are you using? Have you considered trying reiserfs with
> tails enabled. It's quite impressive how little disk space it actually uses
> (don't believe du output). We used to use NVRAM cards, and even with 100,000
> users, it
Rob Mueller wrote:
so I wonder, will skiplist be a better choice? obviously running
quota(8) will be a very cheap operation, but I'm worried about
contention on the quota database during delivery etc. (these users are
for the most part not actively using the system -- they get less than
one m
so I wonder, will skiplist be a better choice? obviously running
quota(8) will be a very cheap operation, but I'm worried about
contention on the quota database during delivery etc. (these users are
for the most part not actively using the system -- they get less than
one message per day each(
