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warn if deb sysctl vm.max_map_count setting fails for OpenVZ 

Patch by paul cannon, reviewed by brandonwilliams for CASSANDRA-3636
This commit is contained in:
Brandon Williams 2012-05-21 11:19:59 -05:00
parent 2db61ab9e0
commit 48438ffc61
1 changed files with 9 additions and 1 deletions
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10
debian/cassandra.postinst vendored
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@ -38,7 +38,15 @@ case "$1" in
chown -R cassandra: /var/lib/cassandra
chown -R cassandra: /var/log/cassandra
fi
sysctl -p /etc/sysctl.d/cassandra.conf
if ! sysctl -p /etc/sysctl.d/cassandra.conf; then
echo >&2
echo "Warning: unable to set vm.max_map_count; is this an OpenVZ" >&2
echo "instance? If so, it is highly recommended that you set" >&2
echo "vm.max_map_count to 1048575 in the host." >&2
echo >&2
echo "Deleting the local sysctl.d/cassandra.conf." >&2
rm -v /etc/sysctl.d/cassandra.conf
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)