On 03/08/2011 09:58 PM, Charles Marcus wrote:
I think this is clearly related to Dovecot. It handles load very badly Whoa, pardner, fyi, there are many, many installations humming along smoothly. No offense. It may be more correct to say situations, where the OS can't deliver prompt resources to Dovecot, like saturated disk IO and similar stuff. I can't see such problems with moderate load, and maybe there aren't so many installations, which handle a lot of traffic. I don't know. I don't think it's a bug, currently to me it seems to be a tuning/configuration issue. But maybe it's a common design related issue, which is not yet fully explored. (well, it seems at least on common OS settings), doesn't just slow down, but starts to refuse clients. Maybe there is a bug somewhere that only becomes evident under certain circumstances, but it is also possibly due to config problems caused by... Sure.