Hi, After upgrading from 3.1.7 to 3.1.8 I found another issue that I forgot to write a little earlier. We are using imapproxy to speedup roundcube web-interface.Average ratio cached to new connections is about 20: 1 (according to pimpstat), but after upgrade it decreased to 2: 1.
Digging a bit in the logs, I found that in most cases imapproxy can not
reuseconnectionwith 3.1.8:
Dec 31 00:49:51 styx in.imapproxyd[2596]: LOGIN: 'jean'
(10.0.0.101:46103) on new sd [11]
Dec 31 00:49:52 styx in.imapproxyd[2596]: LOGOUT: 'jean' from server
sd [11]
Dec 31 00:50:36 styx in.imapproxyd[2596]: Get_Server_conn(): Unable
to reuse server sd [11] for user 'jean' (10.0.0.101:46108).
Connection closed by server.
Thus with 3.1.7 everything works fine. Other settings and dbmail.conf
and imapproxy.conf are identical - the problem is reproduced on the same
server after reinstalling dbmail via apt-get install:
Dec 31 01:03:24 styx in.imapproxyd[6068]: LOGIN: 'jean'
(10.0.0.101:46156) on new sd [11]
Dec 31 01:03:27 styx in.imapproxyd[6068]: LOGOUT: 'jean' from server
sd [11]
Dec 31 01:04:24 styx in.imapproxyd[6068]: LOGIN: 'jean'
(10.0.0.101:46162) on existing sd [11]
I have attached to this letter and dbmail (with logging level set to
255) logs imapproxy. I only managed to establish that the timeout after
which 3.1.8 resets the connection is around 20 seconds. Maybe someone
will help to understand what it is...
dbmail-3.1.7.log.gz
Description: application/gzip
dbmail-3.1.8.log.gz
Description: application/gzip
imapproxy-3.1.7.log.gz
Description: application/gzip
imapproxy-3.1.8.log.gz
Description: application/gzip
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