One of our dovecot-servers (v2.0.14) got a bit too busy last evening:
Sep 13 20:39:18 popimap1 dovecot: master: Warning: service(pop3-login):
process_limit reached, client connections are being dropped
then logged a few:
Sep 13 20:39:20 popimap1 dovecot: pop3(xxxxxx...@yyyyy.yy): Warning:
I/O leak: 0x3829233d20 (10)
Sep 13 20:39:20 popimap1 dovecot: pop3(xxxxxx...@yyyyy.yy): Warning:
Timeout leak: 0x3829233ce0
Sep 13 20:39:20 popimap1 dovecot: pop3(zzzzz.zz...@zzzzzz.zz): Warning:
I/O leak: 0x3829233d20 (10)
Sep 13 20:39:20 popimap1 dovecot: pop3(zzzzz.zz...@zzzzzz.zz): Warning:
Timeout leak: 0x3829233ce0
Sep 13 20:39:20 popimap1 dovecot: pop3(yyyy...@yyyy.yyy): Warning: I/O
leak: 0x3829233d20 (10)
Sep 13 20:39:20 popimap1 dovecot: pop3(yyyy...@yyyy.yyy): Warning:
Timeout leak: 0x3829233ce0
Sep 13 20:39:20 popimap1 dovecot: pop3-postlogin: Error: Fatal:
fd_send() failed: Broken pipe
Sep 13 20:39:20 popimap1 dovecot: pop3-postlogin: Error: Fatal:
fd_send() failed: Broken pipe
and:
Error: net_connect_unix(/var/run/dovecot/pop3-postlogin) failed:
Resource temporarily unavailable
but what has me a bit worried is these:
imap(u...@xxx.xxx): Warning: Subscriptions file
/path/to/u...@xxx.xxx/subscriptions: Removing invalid entry: .Sent
imap(u...@xxx.xxx): Warning: Subscriptions file
/path/to/u...@xxx.xxx/subscriptions: Removing invalid entry: .Spam
imap(u...@xxx.xxx): Warning: Subscriptions file
/path/to/u...@xxx.xxx/subscriptions: Removing invalid entry: .Drafts
imap(u...@xxx.xxx): Warning: Subscriptions file
/path/to/u...@xxx.xxx/subscriptions: Removing invalid entry: .Trash
which happened for a two users during this high load periode. Looking at
their mail directory I can't see why these should be invalid? They're there,
has sane permissions and contains messages..
-jf
