Re: imap clients say i have 4K messages but spool has 12894 files

"Brian J. Murrell" <[email protected]> Thu, 04 Jun 2020 06:52:16 -0400

Newsgroups	gmane.mail.imap.cyrus
Message-ID	<[email protected]>

On Thu, 2020-06-04 at 09:30 +1000, Ian Willis wrote:
> Hi Brian,

Hi Ian,

> The answer to your question is that yes, UID appears to correlate
> with
> the message file name. 

Thanks.

> At a guess something appears significantly awry.

Indeed.

> Have you tried create a separate mail user. Copy your existing
> message
> over via imap to the new folder. 
> Delete and expunge the original mailbox and recreate, recopy.

I have considered that.  But I suspect that is going to cause the
message numbers on the disk to be recreated.  Since this seems to
affect many (all?) folders for many (again, all?) users, that would
result in trashing the efficiency of my incremental backup.

> In the longer term I would be tempted to move to a newer version of
> cyrus

I'm stuck with what my distro vendor supplies.  That said, once the
cause of this problem, or it's reproducibiilty can be confirmed, distro
vendor will be getting a ticket to resolve this in some way.  But the
first step is identifying the issue, resolving it and seeing if it
reproduces.

> or if you have the patience closely monitor the file-system to
> debug how this is occurring.

Right.  I think the first step is to figure out how to get things back
to normal so that it can be monitored more closely and the discrepancy
is no longer a haystack and will be more incrementally obvious when it
does happen.  Figuring out how to get back to normal will also provide
the tools/process to monitor on an ongoing basis to see why it's
happening.

I'm just not sure how to get back to normal at this point.

Cheers,
b.

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