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Update process limit and log target for dovecot

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KiekerJan 2025-10-26 10:50:50 +01:00
parent 2d0ca67e85
commit abbf1ec842
1 changed files with 4 additions and 2 deletions
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6
setup/mail-dovecot.sh
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@ -37,6 +37,8 @@ apt_install \
# of active IMAP connections (at, say, 5 open connections per user that # of active IMAP connections (at, say, 5 open connections per user that
# would be 20 users). Set it to 250 times the number of cores this # would be 20 users). Set it to 250 times the number of cores this
# machine has, so on a two-core machine that's 500 processes/100 users). # machine has, so on a two-core machine that's 500 processes/100 users).
# Set the client_limit to 5 times the process limit, dovecot uses the
# process_limit value for 5 processes to calculate the client_limit.
# The `default_vsz_limit` is the maximum amount of virtual memory that # The `default_vsz_limit` is the maximum amount of virtual memory that
# can be allocated. It should be set *reasonably high* to avoid allocation # can be allocated. It should be set *reasonably high* to avoid allocation
# issues with larger mailboxes. We're setting it to 1/3 of the total # issues with larger mailboxes. We're setting it to 1/3 of the total
@ -46,8 +48,8 @@ apt_install \
# - https://www.dovecot.org/list/dovecot/2011-December/132455.html # - https://www.dovecot.org/list/dovecot/2011-December/132455.html
tools/editconf.py /etc/dovecot/conf.d/10-master.conf \ tools/editconf.py /etc/dovecot/conf.d/10-master.conf \
default_process_limit="$(($(nproc) * 250))" \ default_process_limit="$(($(nproc) * 250))" \
default_vsz_limit="$(($(free -tm | tail -1 | awk '{print $2}') / 3))M" \ default_client_limit="$(($(nproc) * 1250))" \
log_path=/var/log/mail.log default_vsz_limit="$(($(free -tm | tail -1 | awk '{print $2}') / 3))M"
# The inotify `max_user_instances` default is 128, which constrains # The inotify `max_user_instances` default is 128, which constrains
# the total number of watched (IMAP IDLE push) folders by open connections. # the total number of watched (IMAP IDLE push) folders by open connections.