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From Konstantin Kolinko <knst.koli...@gmail.com>
Subject Re: [VOTE] Release Apache Tomcat 8.5.49
Date Wed, 20 Nov 2019 14:03:24 GMT
вт, 19 нояб. 2019 г. в 19:58, Mark Thomas <markt@apache.org>:
>
> On 19/11/2019 00:44, Konstantin Kolinko wrote:
> > вт, 19 нояб. 2019 г. в 01:42, Mark Thomas <markt@apache.org>:
> >
> > I think the single pollset change should not be backported to Tomcat 7.
> > I am OK with it being backported to Tomcat 8.5.
>
> In favour of back-porting:
> [...]
> - Windows XP / Server 2003 are out of support. I think it would be
>   unusual for a user to be keeping Tomcat up to date but not the OS.
> - sendfile is already using a larger pollset size and we have had no
>   complaints (that I recall)

Updating an OS costs money (if it is Windows) and may be not possible
due to hardware limitations.

That said, reviewing the changes and comments once again,
I see that this is not a showstopper for Windows XP users, if there are any.

The comments say about reduced performance, not an inability to run Tomcat.
The pollset size can be adjusted by configuring maxConnections="1024"
or less. I think that is a reasonable value for some legacy server.

Thus OK to backport to Tomcat 7.

Looking into documentation,
http://tomcat.apache.org/tomcat-7.0-doc/config/http.html
Regarding maxConnections it says
"Note that for APR/native on Windows, the configured value will be
reduced to the highest multiple of 1024 that is less than or equal to
maxConnections."

I think that is no longer true.

Best regards,
Konstantin Kolinko

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