Hi Timo, thanks for explaining how amount of the file descriptor may be counted. Timo Sirainen wrote: > On Thu, 2007-10-18 at 15:16 -0400, Sergey wrote: > >> Thank you for pointing me about -xc99 flag, I have compiled and >> installed dovecot inplace of version 1.0.5 without any special actions >> on the upgrade. And after starting it immediately got in it's log file >> messages like: >> --- >> dovecot: Oct 16 23:10:18 Error: IMAP(seriv): file_set_size() failed with >> index cache file >> /var/spool/imap/seriv/.imap/.git-altlinux-ru/dovecot.index.cache: >> Invalid argument >> > > Could you apply this patch and see what it logs then: > http://hg.dovecot.org/dovecot/rev/b7d8695d864d > I have applied the patch and now I have in the dovecot.log after just 'make install in the new dovecot-1.1 and dovecot-sieve-1.1 dirs, on the opening of the imap Maildir folder: --- dovecot: Oct 21 04:00:30 Error: IMAP(seriv): file_set_size() failed with index cache file /var/spool/imap/seriv/.imap/.dovecot-cvs-dovecot-org/dovecot.index.cache: Invalid argument dovecot: Oct 21 04:00:30 Error: IMAP(seriv): posix_fallocate() failed: Invalid argument ... --- about 10 times a second.
Then I pkill'ed dovecot and did --- find /var/spool/imap/ -name 'dovecot.index*' | xargs rm -rf --- but got similar messages with new string added before each of them: --- dovecot: Oct 21 04:17:35 Error: IMAP(seriv): posix_fallocate() failed: Invalid argument dovecot: Oct 21 04:17:35 Error: IMAP(seriv): file_set_size() failed with index cache file /var/spool/imap/seriv/.imap/dovecot.index.cache: Invalid argument --- And, after I enabled smtp service and sent email to myself, I see in dovecot.log --- deliver(seriv): Oct 21 04:17:05 Error: posix_fallocate() failed: Invalid argument deliver(seriv): Oct 21 04:17:06 Error: posix_fallocate() failed: Invalid argument --- > >> dovecot: Oct 16 23:52:28 Panic: IMAP(seriv): file client.c: line 105: >> assertion failed: (!client->destroyed) >> > > Fixed: http://hg.dovecot.org/dovecot/rev/86e964111b1f > Yes, no anything like this after applying the patch. > >> dovecot: Oct 18 15:02:58 Warning: fd limit 256 is lower than what >> Dovecot can use under full load (more than 384). Either grow the limit >> or change login_max_processes_count a >> nd max_mail_processes settings >> > .. > >> One more problem is with fd limit: I have a small dovecot installation, >> so don't want to increase fd limit. I tried to decreasee >> max_mail_processes, login_max_processes_count and login_max_connections, >> but still I have >> > .. > >> login_max_connections: 120 >> max_mail_processes: 128 >> > > Changing login_max_connections doesn't affect anything because you're > using login_process_per_connection=yes. > > The needed fd count is calculated from login_max_processes_count(pop3) + > login_max_processes_count(imap) + max_mail_processes. > > So in your case 128+128+128. > -- With best regards, Sergey Ivanov
