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2017 Feb 10
2
dovecot config for 1500 simultaneous connection
...tions to the proxy where the frontend requests are queued for execution using a small number of backend connections.
Could Dovecot IMAP be re-written to be more efficient so it works more like MySQL (or other scalable data servers) that could handle a million or more IMAP sessions on a server with 32GBs or less of RAM? Those IMAP sessions aren?t doing much most of the time and shouldn?t really average 2MB of active data per session that needs to be resident in main memory at all times.
My mail server isn?t that large yet as I haven?t fully deployed Dovecot outside my own small group yet, but it w...
2017 Feb 12
1
dovecot config for 1500 simultaneous connection
...where the frontend requests are queued for execution using a small number of backend connections.
>>
>> Could Dovecot IMAP be re-written to be more efficient so it works more like MySQL (or other scalable data servers) that could handle a million or more IMAP sessions on a server with 32GBs or less of RAM? Those IMAP sessions aren?t doing much most of the time and shouldn?t really average 2MB of active data per session that needs to be resident in main memory at all times.
>>
> See IMAP hibernation:
> https://www.mail-archive.com/dovecot at dovecot.org/msg63429.html <h...
2017 Feb 12
0
dovecot config for 1500 simultaneous connection
...he proxy where the frontend requests are queued for execution using a small number of backend connections.
>
> Could Dovecot IMAP be re-written to be more efficient so it works more like MySQL (or other scalable data servers) that could handle a million or more IMAP sessions on a server with 32GBs or less of RAM? Those IMAP sessions aren?t doing much most of the time and shouldn?t really average 2MB of active data per session that needs to be resident in main memory at all times.
>
See IMAP hibernation:
https://www.mail-archive.com/dovecot at dovecot.org/msg63429.html
I'm going to d...
2017 Feb 10
2
dovecot config for 1500 simultaneous connection
> 1500 IMAP sessions will eat up about 3GB alone.
Are you saying that Dovecot needs 2MB of physical memory per IMAP session?
If I want to support a max 100,000 IMAP sessions per server, I should configure the server to have at least 200GBs of SWAP?
> On Feb 10, 2017, at 3:58 AM, Christian Balzer <chibi at gol.com> wrote:
>
> On Fri, 10 Feb 2017 01:13:20 +0530 Rajesh M wrote:
2017 Feb 13
1
dovecot config for 1500 simultaneous connection
...frontend requests are queued for execution using a small number of backend connections.
> >>
> >> Could Dovecot IMAP be re-written to be more efficient so it works more like MySQL (or other scalable data servers) that could handle a million or more IMAP sessions on a server with 32GBs or less of RAM? Those IMAP sessions aren?t doing much most of the time and shouldn?t really average 2MB of active data per session that needs to be resident in main memory at all times.
> >>
> > See IMAP hibernation:
> > https://www.mail-archive.com/dovecot at dovecot.org/ms...
2017 Feb 15
1
dovecot config for 1500 simultaneous connection
...requests are queued for execution using a small number of backend connections.
> > >>
> > >> Could Dovecot IMAP be re-written to be more efficient so it works more like MySQL (or other scalable data servers) that could handle a million or more IMAP sessions on a server with 32GBs or less of RAM? Those IMAP sessions aren?t doing much most of the time and shouldn?t really average 2MB of active data per session that needs to be resident in main memory at all times.
> > >>
> > > See IMAP hibernation:
> > > https://www.mail-archive.com/dovecot...