On Sat, Jan 28, 2012 at 11:37 AM, Timo Sirainen <t...@iki.fi> wrote: > On 28.1.2012, at 18.13, Jean-Daniel Beaubien wrote: > > > Considering my use case (small number of accounts but alot of emails per > > account, and I should add that they are mostly small emails, most under > 5k, > > alot under 30k) what mdbox setting would you recommend i start testing > with > > (mdbox_rotate_size and mdbox_rotate_interval). > > mdbox_rotate_interval is useful only if you want smaller incremental > backups (so files that are backed up no longer change unless messages are > deleted). Its default is 0 (I just fixed example-config, which showed it as > 1day). > > To be honest, the smaller incremental backup part is interesting. That along with auto-gzip of the mdbox files are very interesting for me.
> I don't really know about mdbox_rotate_size. It would be nice if someone > were to test different values over longer period and report how it affects > disk IO. > > I was thinking on doing a test with 20MB and 80MB, look at the results and go from there. Btw, when I migrate my emails from Maildir to mdbox, dsync should take into account the rotate_size parameter. If I want to change the rotate_size parameter, I simply edit the config file, change the parameter (erase the mdbox folder?) and re-run dsync. Is that correct?