[Dovecot] child xxxxx (imap) returned error 83 (Out of memory)

[Timo Sirainen]

On Thu, 2008-07-17 at 14:52 +0200, martin f krafft wrote:
> also sprach Timo Sirainen <tss at iki.fi> [2008.07.17.1355 +0200]:
> > > I found those two entries in the logs this morning. The system has
> > > ample free memory. What's going on?
> > 
> > If you have huge mailboxes, increase mail_process_size setting or set it
> > to zero.
> 
> The mailbox in question is 137Mb in size, according to du. 

More important is the number of messages (and especially
dovecot.index.cache file's size). But 137 MB doesn't sound like much.

> The
> mail_process_size default seems to be 256, according to the comment
> in the configuration. Is that correct? What's the default?

256 is the default and it should be enough for pretty large mailboxes.

v1.1 logs a raw backtrace on these out-of-memory errors which can
sometimes be useful in showing why it's happening.

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