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Description of problem:
As per Christian Heimes <cheimes>:
while I was investigating performance issues in FreeIPA, I noticed that
both F25 and RHEL come with an older version of python-idna. That
version has a serious performance issue. It takes round about 100ms to
import the idna package. Import increases RAM consumption of the process
(RSS) by about 20 MB.
https://github.com/pyca/cryptography/issues/3409#issuecomment-281095501
It affects IPA framework, IPA command line, Custodia, and any other
application that import python-cryptography. Right now we are wasting 60
MB (2x20 MB for IPA WSGI processes, 1x20 MB for Custodia). For FreeIPA
4.5 I'm planning to bump up the WSGI daemon processes from 2 to 5.
Is it still possible to request a RHEL rebase of python-idna?
Christian
Verified using IPA and Python-idna version ::
# rpm -qa ipa-server python-idna
ipa-server-4.5.0-13.el7.x86_64
python-idna-2.4-1.el7.noarch
Marking BZ as verified.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2017:1996