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Eric Zheng
slapos.toolbox
Commits
b6b47196
Commit
b6b47196
authored
Jun 16, 2011
by
Łukasz Nowak
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Increase ARP cache.
Solves "Neighbour table overflow." and network issues.
parent
276d1e23
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slapos/builder/script/slapos
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b6b47196
...
...
@@ -79,6 +79,20 @@ MAILTO=root
0 0 * * * root /opt/slapos/bin/slapgrid-ur --verbose --logfile=/opt/slapos/slapgrid-ur.log --pidfile=/opt/slapos/slapgrid-ur.pid /etc/slapos/slapos.cfg >> /opt/slapos/slapgrid-ur.log 2>&1
"""
>
/etc/cron.d/slapos
# Setup more server like network parameters in order to avoid
# "Neighbour table overflow."
# Those machines are itself has a lot of interfaces and are in
# heavily networked environment, so limit of ARP cache for IPv4
# and IPv6 is 4x higher then default
# More tuning can be applied from: http://www.enigma.id.au/linux_tuning.txt
sysctl
-w
\
net.ipv4.neigh.default.gc_thresh1
=
512
\
net.ipv4.neigh.default.gc_thresh2
=
1024
\
net.ipv4.neigh.default.gc_thresh3
=
2048
\
net.ipv6.neigh.default.gc_thresh1
=
512
\
net.ipv6.neigh.default.gc_thresh2
=
1024
\
net.ipv6.neigh.default.gc_thresh3
=
2048
# Execute slapformat
echo
-n
"Running slapformat..."
/opt/slapos/bin/slapformat
--verbose
--console
/etc/slapos/slapos.cfg
...
...
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