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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Commented] (PROTON-2137) [cpp] Performance regression found in 0.29.0
Date Fri, 22 Nov 2019 17:22:00 GMT

    [ https://issues.apache.org/jira/browse/PROTON-2137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16980346#comment-16980346

ASF GitHub Bot commented on PROTON-2137:

astitcher commented on issue #210: PROTON-2137: Removing ssl init from ssl_server_options
default constructor
URL: https://github.com/apache/qpid-proton/pull/210#issuecomment-557618801
   @rabih-mourad Could you squash this into a single commit please - then I can rebase and
merge it.
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> [cpp] Performance regression found in 0.29.0
> --------------------------------------------
>                 Key: PROTON-2137
>                 URL: https://issues.apache.org/jira/browse/PROTON-2137
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: cpp-binding
>    Affects Versions: proton-c-0.29.0
>            Reporter: Rabih Mourad
>            Priority: Major
>         Attachments: code.txt, remove-default-ssl.patch
> We are upgrading in our Murex code the proton version from 0.27.0 to 0.29.0.
>  While running our unit tests, we found a considerable performance regression.
>  We were able to reproduce the regression in a very simple use case. 
>  Please find the code attached.
>  This test takes 1 ms in the version 0.27.0 and 0.28.0 but it takes 103 ms in 0.29.0 .
> After analysis we discovered that the regression is coming from this pull request [Proton
2075:[C++] Allow TLS to use system default trusted certificate.|https://github.com/apache/qpid-proton/commit/e152190459cd75792002d2aae72d351dc22abe27]
>  In fact we noticed that the ssl_client_options and the ssl_server_options are not default
constructed the same way and that the [ssl_server_options |https://github.com/apache/qpid-proton/blob/e152190459cd75792002d2aae72d351dc22abe27/cpp/src/ssl_options.cpp#L99] is
calling [pni_init_ssl_domain|https://github.com/apache/qpid-proton/blob/9dd013335de0694bc52848897b17190f297450c1/c/src/ssl/openssl.c#L475] which
is taking some time.
> What we would like is to avoid initializing ssl domain when it’s disabled from the
> Does it sound reasonable for you?
> Here is a patch that we propose. All proton unit tests are green on the master.
>  Can you please [~astitcher] check if this patch is aligned with what you meant to
do in (PROTON-2075) ?
> Thanks,
>  Ali & Rabih

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