[Dovecot] Performance of Maildir vs sdbox/mdbox

Timo Sirainen tss at iki.fi
Mon Feb 6 22:29:03 EET 2012

On 3.2.2012, at 14.25, Jan-Frode Myklebust wrote:

> I now implemented this patch on our directors, and pointed postfix at them.
> No problem seen so far, but I'm still a bit uncertain about the
> LMTP_PROXY_DATA_INPUT_TIMEOUT_MSECS. I know we're experienceing quite
> large delays when fsync'ing (slow IMAP APPEND). Do you think increasing
> LMTP_PROXY_DATA_INPUT_TIMEOUT_MSECS is a sensible workaround if we start
> seeing lmtp_proxy_output_timeout problems again ?

Your fsyncs can run over 60 seconds? I think even if you increase Dovecot's timeout you'll soon reach your MTA's LMTP timeout.

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