[Dovecot] Maildir Synchronization warnings

[Kavish Karkera]

Hi,

We are repeatedly getting these below warnings for some of our users, al though we have no complaints from them yet,
 we need to know why these warning occurs.

So it would be help full if some one explain these warning msg in detail.


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Aug  2 12:52:55 blade8 dovecot: imap(kavish.karkera at example.com): Warning: Maildir: Scanning /mail/v3store/example.com/kavish.karkera at example.com/Maildir/cur took 94 seconds (23191 readdir()s, 0 rename()s to cur/, why=0x1)
Aug  2 12:52:55 blade8 dovecot: imap(kavish.karkera at example.com): Warning: Maildir /mail/v3store/example.com/kavish.karkera at example.com/Maildir: Synchronization took 94 seconds (0 new msgs, 0 flag change attempts, 0 expunge attempts)

Aug  2 12:53:54 blade6 dovecot: imap(kavish.karkera at example.com): Warning: Maildir: Scanning /mail/v3store/example.com/kavish.karkera at example.com/Maildir/cur took 154 seconds (43129 readdir()s, 0 rename()s to cur/, why=0x1)
Aug  2 12:53:54 blade6 dovecot: imap(kavish.karkera at example.com): Warning: Maildir: Scanning /mail/v3store/example.com/kavish.karkera at example.com/Maildir/cur took 162 seconds (43129 readdir()s, 0 rename()s to cur/, why=0xc)
Aug  2 12:53:54 blade6 dovecot: imap(kavish.karkera at example.com): Warning: Maildir /mail/v3store/example.com/kavish.karkera at example.com/Maildir: Synchronization took 162 seconds (0 new msgs, 0 flag change attempts, 0 expunge attempts)
Aug  2 12:53:54 blade6 dovecot: imap(kavish.karkera at example.com): Warning: Locking transaction log file /indexes//mail/v3store/example.com/kavish.karkera at example.com/.INBOX/dovecot.index.log took 50 seconds
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Thanks In advance,

Regards,
Kavish Karkera