Re: [Dovecot] rule of thumb for indexing overhead

2007-08-29 Thread Christian Balzer
Hello, On Wed, 29 Aug 2007 18:10:00 -0700 Tom Bombadil <[EMAIL PROTECTED]> wrote: > > > > >> of indexing during delivery are negligible for us in general and > >> potentially negative in some scenarios (mass mail to many/all users). > > > > Is this negative hypothetical or have you actually se

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-29 Thread Tom Bombadil
> >> of indexing during delivery are negligible for us in general and >> potentially negative in some scenarios (mass mail to many/all users). > > Is this negative hypothetical or have you actually seen load spikes in > situations like this? I actually did see that. In the case of exim, for ea

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-29 Thread WJCarpenter
> We use exim all the way to local delivery. And it handles Maildir++ > quotas just fine. Ah, right. I was misremembering. It's the DB-stored quotas in dovecot that I was thinking of using some time back. Sorry for my misstatement. > of indexing during delivery are negligible for us in genera

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-29 Thread Christian Balzer
On Wed, 29 Aug 2007 12:31:01 -0700 (PDT) "WJCarpenter" <[EMAIL PROTECTED]> wrote: > > Also, are there any drawbacks of using exim to do the local delivery? > > I'm very interested in the answer to this question, too. So far I have > found (through reading, not trying things yet) that Dovecot's q

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-29 Thread Timo Sirainen
On Wed, 2007-08-29 at 11:44 -0700, Tom Bombadil wrote: > > I just wrote this: http://wiki.dovecot.org/LDA/Indexing > Also, are there any drawbacks of using exim to do the local delivery? Like the wiki page says, there shouldn't be really any performance problems with that. I can't say if there are

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-29 Thread WJCarpenter
> Also, are there any drawbacks of using exim to do the local delivery? I'm very interested in the answer to this question, too. So far I have found (through reading, not trying things yet) that Dovecot's quota handling is more flexible than Exim's (exim is pretty much limited to FS quotas, I t

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-29 Thread Tom Bombadil
> Indexes aren't normally "rebuilt", they're "updated". And the update > overhead is practically nothing with maildir. > > I just wrote this: http://wiki.dovecot.org/LDA/Indexing Hi Timo... So, if I understand this correctly, if I'm using maildir, I could use exim to do the local delivery inste

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-24 Thread Timo Sirainen
On Wed, 2007-08-22 at 21:55 -0700, WJCarpenter wrote: > I realize it's hard to be precise about this, but does anyone have a > feel or rule of thumb for a couple of aspects of indexing overhead? > > 1. Proportionally, how much space does it take for all 4 files? If I > want to give my users a qu

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-23 Thread Vegar Nilsen
WJCarpenter wrote: Thanks, but I think you misunderstood my question. I'm trying to figure out how much disk space I'll actually need for holding the index files. In other words, I'm looking for a planning factor to figure out how much disk to buy when I got to Fry's :-). Using my own maildir

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-23 Thread WJCarpenter
wjc> I realize it's hard to be precise about this, but does anyone wjc> have a feel or rule of thumb for a couple of aspects of indexing wjc> overhead? ss> You can always put the indexes in non-quota space like var. That ss> way the indexes don't get counted against the users files, and ss> won't

Re: [Dovecot] rule of thumb for indexing overhead

2007-08-23 Thread Scott Silva
WJCarpenter spake the following on 8/22/2007 9:55 PM: > I realize it's hard to be precise about this, but does anyone have a > feel or rule of thumb for a couple of aspects of indexing overhead? > > 1. Proportionally, how much space does it take for all 4 files? If I > want to give my users a qu

[Dovecot] rule of thumb for indexing overhead

2007-08-22 Thread WJCarpenter
I realize it's hard to be precise about this, but does anyone have a feel or rule of thumb for a couple of aspects of indexing overhead? 1. Proportionally, how much space does it take for all 4 files? If I want to give my users a quota of 100 MB for messages, how much real space should I plan fo