Unbound python performance 1.9.4

[Eduard Ahmatgareev]

Hi George,

Thank you for you answers.

Is it possible to do any performance tests for python module for unbound?
I would like to get something like that:
https://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script



пн, 4 нояб. 2019 г. в 19:22, George Thessalonikefs via Unbound-users <
unbound-users at nlnetlabs.nl>:

> Hi Eduard,
>
> There are two issues here:
>
> 1. There is a bug in unbound-checkconf that does not treat multiple
> Python instances as valid configuration
> (https://github.com/NLnetLabs/unbound/issues/103).
> If you want you could bypass that by editing your systems's service file
> and commenting out the `unbound-checkconf` invocation.
>
> 2. The module configuration lists the modules that will be called *in
> series* for a given query. The multiple Python instances will allow for
> different logic to exist in two or more Python modules. It won't make
> sense to run the same Python script (logic) in another Python instance,
> and what you are trying to achieve (parallelization) is not possible
> that way.
>
> When the Python module is enabled, unbound's performance is hindered by
> Python's performance (more so depending on the logic/cost of the custom
> code).
>
> Best regards,
> -- George
>
> On 03/11/2019 19:36, Eduard Ahmatgareev via Unbound-users wrote:
> > How is it possible to enable multiple python instances for get  more
> > performance?
> >
> > I tried to add next:
> > module-config: "validator python python iterator"
> >
> > python:
> >     python-script: "/etc/unbound/dnsrabbit.py"
> >     python-script: "/etc/unbound/dnsrabbit.py"
> >
> > but after restart unbound, I got:
> >  unbound-checkconf[15820]: [1572806018] unbound-checkconf[15820:0] fatal
> > error: module conf 'validator python python iterator' is not known to
> work
> >
> >
> > I use our own custom python script for extend unbound functionality, but
> > unfortunately after testing I found that unbound can process only 14k
> > queries per second on ec2 amazon instance
> > c4.xlarge Intel(R) Xeon(R) Platinum 8124M CPU @ 3.00GHz
> >
> > num-threads: 8
> >
> >
> > Version 1.9.4
> >
> > Configure line: --build=x86_64-redhat-linux-gnu
> > --host=x86_64-redhat-linux-gnu --program-prefix=
> > --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr
> > --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
> > --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64
> > --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib
> > --mandir=/usr/share/man --infodir=/usr/share/info --with-pythonmodule
> > --with-pyunbound PYTHON=/usr/bin/python2 --with-libevent --with-pthreads
> > --with-ssl --disable-rpath --disable-static
> > --with-conf-file=/etc/unbound/unbound.conf
> > --with-pidfile=/var/run/unbound/unbound.pid --enable-sha2 --disable-gost
> > --enable-ecdsa --with-rootkey-file=/var/lib/unbound/root.key
> > Linked libs: libevent 2.0.21-stable (it uses epoll), OpenSSL 1.0.2k-fips
> >  26 Jan 2017
> > Linked modules: dns64 python respip validator iterator
> >
> >
>
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