Hello,
I have run the ncf tests against this build, and found no regression
related to iterations. However, some tests are broken because strings
containing unexpandable variables are skipped. Is it a intended change
of behavior in 3.10?
I did a quick comparison with 3.9b1 and found a speedup around 7% with
this build, but the tests do not use a lot of nested iterations.
Alexis
On 05/20/2016 11:39 PM, Dimitrios Apostolou wrote:
Hello list,
As part of fixing CFE-2162 [1] I have rewritten the iteration engine of
CFEngine, i.e. the backend that makes sure promises are actuated over each
element of slists or containers.
[1] https://tracker.mender.io/browse/CFE-2162
The changes go deep inside the evaluator, and behavioural changes are
expected, like "cf_null" no longer being treated specially, and other
more subtle things! So I've prepared an Alpha build of my private branch
and all testing would be appreciated. You can find the builds at:
https://cfengine-package-repos.s3.amazonaws.com/experimental/CFE-2162/cfengine-community-3.10.0-0.a1.0.22.i386.rpm
https://cfengine-package-repos.s3.amazonaws.com/experimental/CFE-2162/cfengine-community-3.10.0-0.a1.0.22.x86_64.rpm
https://cfengine-package-repos.s3.amazonaws.com/experimental/CFE-2162/cfengine-community_3.10.0~a1~22_amd64.deb
<https://cfengine-package-repos.s3.amazonaws.com/experimental/CFE-2162/cfengine-community_3.10.0%7Ea1%7E22_amd64.deb>
https://cfengine-package-repos.s3.amazonaws.com/experimental/CFE-2162/cfengine-community_3.10.0~a1~22_i386.deb
<https://cfengine-package-repos.s3.amazonaws.com/experimental/CFE-2162/cfengine-community_3.10.0%7Ea1%7E22_i386.deb>
Just remember that this is highly experimental code, in preliminary
stage, so take precautions and run your tests in a VM. And debug output
(-d) is way too dense at this point, you've been warned. :-) The main
reason I'm putting this out is to get feedback on compatibility with
your existing policy.
The big difference of this build should be much better performance in
policies with nested expansions of slists/containers.
All feedback is appreciated - positive or negative, on all aspects like
performance, correctness etc.
Thanks!
Dimitris
P.S. Sorry for hijacking help-cfengine mailing list, the only purpose
is to catch as much attention as possible; Please respond only on
dev-cfengine which is more relevant to the subject.
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