[Dovecot] OpenBSD and too many open files
Bryan Vyhmeister
dovecot at bsdjournal.net
Wed Aug 1 19:36:49 EEST 2007
On Aug 1, 2007, at 9:25 AM, Quentin Garnier wrote:
> Sounds more like a file descriptor leak. Check fstat output so see
> what
> kind of descriptors are leaked, how fast, etc.
Thank you for your quick response. Unfortunately, I restarted dovecot
this morning and so this probably isn't very helpful now but here it
is anyway. What should I be looking for to indicate a leak? The
outputs of 'fstat -u _dovecot' and 'fstat -u _dovecot_login' follow:
USER CMD PID FD MOUNT INUM MODE R/W DV|SZ
_dovecot imap 3328 wd /d 1504391 drwx------ r 1024
_dovecot imap 3328 0* internet stream tcp 0x4000d4cba50
66.81.83.13:143 <-- 66.81.83.3:52591
_dovecot imap 3328 1* internet stream tcp 0x4000d4cba50
66.81.83.13:143 <-- 66.81.83.3:52591
_dovecot imap 3328 2 pipe 0x4000d439c90 state:
_dovecot imap 3328 3 / 475071 crw-r--r-- r urandom
_dovecot imap 3328 4 kqueue 0x4000d4c7d00 0 state: W
_dovecot imap 3328 5 pipe 0x4000d6c7480 state:
_dovecot imap 3328 6 pipe 0x4000d6c7480 state:
_dovecot imap 3328 9 /d 1526304 -rw------- rw 152352
_dovecot imap 3328 10 /d 1526287 -rw------- rw 9344
_dovecot imap 3328 11 /d 1514861 -rw------- rw 7173120
_dovecot imap 10524 wd /d 1508155 drwx------ r 2048
_dovecot imap 10524 0* internet stream tcp 0x4000d4cb820
66.81.83.13:143 <-- 66.81.83.3:52699
_dovecot imap 10524 1* internet stream tcp 0x4000d4cb820
66.81.83.13:143 <-- 66.81.83.3:52699
_dovecot imap 10524 2 pipe 0x4000d6c7700 state:
_dovecot imap 10524 3 / 475071 crw-r--r-- r urandom
_dovecot imap 10524 4 kqueue 0x4000d4c7200 0 state: W
_dovecot imap 10524 5 pipe 0x4000d6c7d00 state:
_dovecot imap 10524 6 pipe 0x4000d6c7d00 state:
_dovecot imap 32143 wd /d 1628354 drwx------ r 512
_dovecot imap 32143 0* internet stream tcp 0x4000d2f86c0
66.81.83.13:143 <-- 66.81.83.3:50414
_dovecot imap 32143 1* internet stream tcp 0x4000d2f86c0
66.81.83.13:143 <-- 66.81.83.3:50414
_dovecot imap 32143 2 pipe 0x4000d6c7080 state:
_dovecot imap 32143 3 / 475071 crw-r--r-- r urandom
_dovecot imap 32143 4 kqueue 0x4000d4c7a00 0 state: W
_dovecot imap 32143 5 pipe 0x4000d439a90 state:
_dovecot imap 32143 6 pipe 0x4000d439a90 state:
_dovecot imap 1563 wd /d 1794316 drwx------ r 512
_dovecot imap 1563 0* internet stream tcp 0x4000d4ca010
66.81.83.13:143 <-- 10.80.1.249:24288
_dovecot imap 1563 1* internet stream tcp 0x4000d4ca010
66.81.83.13:143 <-- 10.80.1.249:24288
_dovecot imap 1563 2 pipe 0x4000d6c7a80 state:
_dovecot imap 1563 3 / 475071 crw-r--r-- r urandom
_dovecot imap 1563 4 kqueue 0x4000d4c6200 0 state: W
_dovecot imap 1563 5 pipe 0x4000d6c7c00 state:
_dovecot imap 1563 6 pipe 0x4000d6c7c00 state:
_dovecot imap 9679 wd /d 1772316 drwx------ r 512
_dovecot imap 9679 0* internet stream tcp 0x4000d2f93e0
66.81.83.13:143 <-- 66.81.83.3:54735
_dovecot imap 9679 1* internet stream tcp 0x4000d2f93e0
66.81.83.13:143 <-- 66.81.83.3:54735
_dovecot imap 9679 2 pipe 0x4000d6c6e00 state:
_dovecot imap 9679 3 / 475071 crw-r--r-- r urandom
_dovecot imap 9679 4 kqueue 0x4000d4c7c00 0 state: W
_dovecot imap 9679 5 pipe 0x4000d6c7980 state:
_dovecot imap 9679 6 pipe 0x4000d6c7980 state:
_dovecot imap 27728 wd /d 1772316 drwx------ r 512
_dovecot imap 27728 0* internet stream tcp 0x4000d2f8030
66.81.83.13:143 <-- 66.81.83.3:61851
_dovecot imap 27728 1* internet stream tcp 0x4000d2f8030
66.81.83.13:143 <-- 66.81.83.3:61851
_dovecot imap 27728 2 pipe 0x4000d6c7c80 state:
_dovecot imap 27728 3 / 475071 crw-r--r-- r urandom
_dovecot imap 27728 4 kqueue 0x4000d4c7300 0 state: W
_dovecot imap 27728 5 pipe 0x4000d6c7680 state:
_dovecot imap 27728 6 pipe 0x4000d6c7680 state:
_dovecot imap 27728 7 /d 1772398 -rw------- rw 384
_dovecot imap 27728 8 /d 1772332 -rw------- rw 3480
_dovecot imap 27728 9 /d 1772337 -rw------- rw 21504
_dovecot imap 23686 wd /d 1525067 drwx------ r 512
_dovecot imap 23686 0* internet stream tcp 0x4000d4cbc80
66.81.83.13:143 <-- 66.81.83.3:56740
_dovecot imap 23686 1* internet stream tcp 0x4000d4cbc80
66.81.83.13:143 <-- 66.81.83.3:56740
_dovecot imap 23686 2 pipe 0x4000d439d90 state:
_dovecot imap 23686 3 / 475071 crw-r--r-- r urandom
_dovecot imap 23686 4 kqueue 0x4000d4c7b00 0 state: W
_dovecot imap 23686 5 pipe 0x4000d438490 state:
_dovecot imap 23686 6 pipe 0x4000d438490 state:
_dovecot imap 18754 wd /d 1504391 drwx------ r 1024
_dovecot imap 18754 0* internet stream tcp 0x4000ce92720
66.81.83.13:143 <-- 66.81.83.3:56072
_dovecot imap 18754 1* internet stream tcp 0x4000ce92720
66.81.83.13:143 <-- 66.81.83.3:56072
_dovecot imap 18754 2 pipe 0x4000d439c10 state:
_dovecot imap 18754 3 / 475071 crw-r--r-- r urandom
_dovecot imap 18754 4 kqueue 0x4000d4c7e00 0 state: W
_dovecot imap 18754 5 pipe 0x4000d439510 state:
_dovecot imap 18754 6 pipe 0x4000d439510 state:
_dovecot imap 18754 9 /d 1514852 -rw------- rw 28064
_dovecot imap 18754 10 /d 1516770 -rw------- rw 59832
_dovecot imap 18754 11 /d 1514853 -rw------- rw 1313792
_dovecot imap 25773 wd /d 1607430 drwx------ r 512
_dovecot imap 25773 0* internet stream tcp 0x4000ce93d00
66.81.83.13:143 <-- 66.81.83.3:55608
_dovecot imap 25773 1* internet stream tcp 0x4000ce93d00
66.81.83.13:143 <-- 66.81.83.3:55608
_dovecot imap 25773 2 pipe 0x4000d6c7800 state:
_dovecot imap 25773 3 / 475071 crw-r--r-- r urandom
_dovecot imap 25773 4 kqueue 0x4000d4c7900 0 state: W
_dovecot imap 25773 5 pipe 0x4000d439910 state:
_dovecot imap 25773 6 pipe 0x4000d439910 state:
fstat -u _dovecot_login
USER CMD PID FD MOUNT INUM MODE R/W DV|SZ
_dovecot imap-login 3436 root / 1319570 drwxr-x--- r 512
_dovecot imap-login 3436 wd / 1319570 drwxr-x--- r 512
_dovecot imap-login 3436 0* internet stream tcp 0x4000d50fa40 *:143
_dovecot imap-login 3436 1* internet stream tcp 0x4000d4ca240 *:993
_dovecot imap-login 3436 2 pipe 0x4000d439710 state:
_dovecot imap-login 3436 3* unix stream 0x400024f7c00 <->
0x4000250f400
_dovecot imap-login 3436 4 / 475071 crw-r--r-- r urandom
_dovecot imap-login 3436 5 kqueue 0x4000d4c6400 0 state: W
_dovecot imap-login 3436 6 pipe 0x4000d439f10 state:
_dovecot imap-login 3436 7 pipe 0x4000d439f10 state:
_dovecot imap-login 3436 9* unix stream 0x40002485e00 <->
0x400024fb900
_dovecot imap-login 18776 root / 1319570 drwxr-x--- r 512
_dovecot imap-login 18776 wd / 1319570 drwxr-x--- r 512
_dovecot imap-login 18776 0* internet stream tcp 0x4000d50fa40 *:143
_dovecot imap-login 18776 1* internet stream tcp 0x4000d4ca240 *:993
_dovecot imap-login 18776 2 pipe 0x4000d439110 state:
_dovecot imap-login 18776 3* unix stream 0x40002515480 <->
0x40002523d80
_dovecot imap-login 18776 4 / 475071 crw-r--r-- r urandom
_dovecot imap-login 18776 5 kqueue 0x4000d4c6900 0 state: W
_dovecot imap-login 18776 6 pipe 0x4000d439810 state:
_dovecot imap-login 18776 7 pipe 0x4000d439810 state:
_dovecot imap-login 18776 9* unix stream 0x40002405e80 <->
0x40002528a00
_dovecot pop3-login 13031 root / 1319570 drwxr-x--- r 512
_dovecot pop3-login 13031 wd / 1319570 drwxr-x--- r 512
_dovecot pop3-login 13031 0* internet stream tcp 0x4000d2f8b20 *:110
_dovecot pop3-login 13031 1* internet stream tcp 0x4000d2f88f0 *:995
_dovecot pop3-login 13031 2 pipe 0x4000d439610 state:
_dovecot pop3-login 13031 3* unix stream 0x40002517200 <->
0x40002404200
_dovecot pop3-login 13031 4 / 475071 crw-r--r-- r urandom
_dovecot pop3-login 13031 5 kqueue 0x4000d4c7500 0 state: W
_dovecot pop3-login 13031 6 pipe 0x4000d6c7d80 state:
_dovecot pop3-login 13031 7 pipe 0x4000d6c7d80 state:
_dovecot pop3-login 13031 9* unix stream 0x40002519f80 <->
0x40002527300
_dovecot imap-login 25333 root / 1319570 drwxr-x--- r 512
_dovecot imap-login 25333 wd / 1319570 drwxr-x--- r 512
_dovecot imap-login 25333 0* internet stream tcp 0x4000d50fa40 *:143
_dovecot imap-login 25333 1* internet stream tcp 0x4000d4ca240 *:993
_dovecot imap-login 25333 2 pipe 0x4000d6c7200 state:
_dovecot imap-login 25333 3* unix stream 0x400023ab080 <->
0x40002422700
_dovecot imap-login 25333 4 / 475071 crw-r--r-- r urandom
_dovecot imap-login 25333 5 kqueue 0x4000d4c6100 0 state: W
_dovecot imap-login 25333 6 pipe 0x4000d6c7780 state:
_dovecot imap-login 25333 7 pipe 0x4000d6c7780 state:
_dovecot imap-login 25333 9* unix stream 0x4000238a900 <->
0x400024fbe00
_dovecot imap-login 22287 root / 1319570 drwxr-x--- r 512
_dovecot imap-login 22287 wd / 1319570 drwxr-x--- r 512
_dovecot imap-login 22287 0* internet stream tcp 0x4000d50fa40 *:143
_dovecot imap-login 22287 1* internet stream tcp 0x4000d4ca240 *:993
_dovecot imap-login 22287 2 pipe 0x4000d439990 state:
_dovecot imap-login 22287 3* unix stream 0x4000250c080 <->
0x40002516300
_dovecot imap-login 22287 4 / 475071 crw-r--r-- r urandom
_dovecot imap-login 22287 5 kqueue 0x4000d4c7800 0 state: W
_dovecot imap-login 22287 6 pipe 0x4000d6c7900 state:
_dovecot imap-login 22287 7 pipe 0x4000d6c7900 state:
_dovecot imap-login 22287 9* unix stream 0x4000252c300 <->
0x400024f3600
_dovecot imap-login 23627 root / 1319570 drwxr-x--- r 512
_dovecot imap-login 23627 wd / 1319570 drwxr-x--- r 512
_dovecot imap-login 23627 0* internet stream tcp 0x4000d50fa40 *:143
_dovecot imap-login 23627 1* internet stream tcp 0x4000d4ca240 *:993
_dovecot imap-login 23627 2 pipe 0x4000d438a10 state:
_dovecot imap-login 23627 3* unix stream 0x4000250ba80 <->
0x4000251ef00
_dovecot imap-login 23627 4 / 475071 crw-r--r-- r urandom
_dovecot imap-login 23627 5 kqueue 0x4000d4c7000 0 state: W
_dovecot imap-login 23627 6 pipe 0x4000d438d90 state:
_dovecot imap-login 23627 7 pipe 0x4000d438d90 state:
_dovecot imap-login 23627 9* unix stream 0x400024f3280 <->
0x40002504c00
_dovecot pop3-login 28303 root / 1319570 drwxr-x--- r 512
_dovecot pop3-login 28303 wd / 1319570 drwxr-x--- r 512
_dovecot pop3-login 28303 0* internet stream tcp 0x4000d2f8b20 *:110
_dovecot pop3-login 28303 1* internet stream tcp 0x4000d2f88f0 *:995
_dovecot pop3-login 28303 2 pipe 0x4000d438c10 state:
_dovecot pop3-login 28303 3* unix stream 0x40002514500 <->
0x400024f6000
_dovecot pop3-login 28303 4 / 475071 crw-r--r-- r urandom
_dovecot pop3-login 28303 5 kqueue 0x4000d4c6300 0 state: W
_dovecot pop3-login 28303 6 pipe 0x4000d439b10 state:
_dovecot pop3-login 28303 7 pipe 0x4000d439b10 state:
_dovecot pop3-login 28303 9* unix stream 0x400024f7a00 <->
0x400024f3980
_dovecot pop3-login 20519 root / 1319570 drwxr-x--- r 512
_dovecot pop3-login 20519 wd / 1319570 drwxr-x--- r 512
_dovecot pop3-login 20519 0* internet stream tcp 0x4000d2f8b20 *:110
_dovecot pop3-login 20519 1* internet stream tcp 0x4000d2f88f0 *:995
_dovecot pop3-login 20519 2 pipe 0x4000d439d10 state:
_dovecot pop3-login 20519 3* unix stream 0x4000252c900 <->
0x40002484880
_dovecot pop3-login 20519 4 / 475071 crw-r--r-- r urandom
_dovecot pop3-login 20519 5 kqueue 0x4000d4c6f00 0 state: W
_dovecot pop3-login 20519 6 pipe 0x4000d439e90 state:
_dovecot pop3-login 20519 7 pipe 0x4000d439e90 state:
_dovecot pop3-login 20519 9* unix stream 0x40002504580 <->
0x4000250f680
_dovecot pop3-login 13249 root / 1319570 drwxr-x--- r 512
_dovecot pop3-login 13249 wd / 1319570 drwxr-x--- r 512
_dovecot pop3-login 13249 0* internet stream tcp 0x4000d2f8b20 *:110
_dovecot pop3-login 13249 1* internet stream tcp 0x4000d2f88f0 *:995
_dovecot pop3-login 13249 2 pipe 0x4000d439490 state:
_dovecot pop3-login 13249 3* unix stream 0x4000251be80 <->
0x40002372800
_dovecot pop3-login 13249 4 / 475071 crw-r--r-- r urandom
_dovecot pop3-login 13249 5 kqueue 0x4000d4c6c00 0 state: W
_dovecot pop3-login 13249 6 pipe 0x4000d438c90 state:
_dovecot pop3-login 13249 7 pipe 0x4000d438c90 state:
_dovecot pop3-login 13249 9* unix stream 0x4000252b080 <->
0x4000250fa00
_dovecot pop3-login 30768 root / 1319570 drwxr-x--- r 512
_dovecot pop3-login 30768 wd / 1319570 drwxr-x--- r 512
_dovecot pop3-login 30768 0* internet stream tcp 0x4000d2f8b20 *:110
_dovecot pop3-login 30768 1* internet stream tcp 0x4000d2f88f0 *:995
_dovecot pop3-login 30768 2 pipe 0x4000d439b90 state:
_dovecot pop3-login 30768 3* unix stream 0x40002520600 <->
0x40002484c00
_dovecot pop3-login 30768 4 / 475071 crw-r--r-- r urandom
_dovecot pop3-login 30768 5 kqueue 0x4000d4c6d00 0 state: W
_dovecot pop3-login 30768 6 pipe 0x4000d439410 state:
_dovecot pop3-login 30768 7 pipe 0x4000d439410 state:
_dovecot pop3-login 30768 9* unix stream 0x40002423880 <->
0x400023bd700
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