On Fri, 2013-08-02 at 15:34 +0800, Kavish Karkera wrote: > 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. .. > Aug 2 12:52:55 blade8 dovecot: imap(kavish.kark...@example.com): Warning: > Maildir: Scanning > /mail/v3store/example.com/kavish.kark...@example.com/Maildir/cur took 94 > seconds (23191 readdir()s, 0 rename()s to cur/, why=0x1)
It means that the maildir INBOX is huge, and it takes a long time to access them with your available disk IO. Possibilities: a) Move move of your mails away from INBOX. b) Switch to different mailbox format that can handle large mailboxes, such as mdbox or sdbox.