GitHub user kollyma opened a pull request:
https://github.com/apache/cloudstack/pull/1487
speedup iptables by prefetching the variables
-- This PR is replacing speedup iptables setup #1449
-- Squashing commits and cleanup
PR against 4.7 as discussed with Remi Bergsma. This will speed up the
iptables creation on the virtual router.
Testing showed the following:
with current code:
root@kvm704:~# time
/usr/share/cloudstack-common/scripts/network/domr/router_proxy.sh vr_cfg.sh
169.254.1.176 -c /var/cache/cloud/VR-12f28879-de7e-44d2-8dbe-b93a04bd3ba4.cfg
real 2m56.401s
user 0m0.012s
sys 0m0.012s
modified version:
root@kvm704:~# time
/usr/share/cloudstack-common/scripts/network/domr/router_proxy.sh vr_cfg.sh
169.254.1.176 -c /var/cache/cloud/VR-12f28879-de7e-44d2-8dbe-b93a04bd3ba4.cfg
real 1m35.762s
user 0m0.020s
sys 0m0.004s
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kollyma/cloudstack
speedup_iptables_prefetch_variables
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cloudstack/pull/1487.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1487
----
commit 0a01e82c231acc74df1633c60bf471b1e758b50a
Author: kollyma <kollyma@localhost.localdomain>
Date: 2016-04-11T18:58:03Z
speedup iptables by prefetching the variables
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