[Dovecot] Resynchronization of indexes (or Warning: Maildir Scanning <dir> took <X> seconds)

Angel L. Mateo amateo at um.es
Wed Sep 5 15:07:47 EEST 2012


El 05/09/12 13:50, Timo Sirainen escribió:
> On 5.9.2012, at 14.40, Angel L. Mateo wrote:
>
>> Sep  3 12:35:49 myotis32 dovecot: imap(<imapuser>): Warning: Maildir: Scanning <maildir cur directory> took 62 seconds (9516 readdir()s, 0 rename()s to cur/, why=0x80)
>>
>> 	We have check that messages are directed with lmtp to the same server the user (scenario 3 at http://wiki2.dovecot.org/NFS with director in front of backend servers).
>>
>> 	So my question is why is dovecot using these readdirs operations? why it is scanning the whole cur directory of the user? I guess this is an index resynchronization, but I don't know could it be the cause.
>
> That's the way Maildir works. If Dovecot is the only one accessing the maildir, you can set maildir_very_dirty_syncs=yes to reduce how often readdir()s are done (but it doesn't completely eliminate them in all situations).
>
	Ok, I'll try this.

	But... is there any way to know how a readdir would be done?



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