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Posted to dev@tomcat.apache.org by Rémy Maucherat <re...@apache.org> on 2019/04/30 11:48:04 UTC

catalina.nonblocking.TestNonBlockingAPI

Hi,

There's something odd with this test:
https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.APR.txt
https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.NIO.txt
https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.NIO2.txt

Has it been looked into already why NIO is extremely slow at it and if it
impacts real world use ?

Rémy

Re: catalina.nonblocking.TestNonBlockingAPI

Posted by Rémy Maucherat <re...@apache.org>.
On Tue, Apr 30, 2019 at 2:13 PM Mark Thomas <ma...@apache.org> wrote:

> On 30/04/2019 12:48, Rémy Maucherat wrote:
> > Hi,
> >
> > There's something odd with this test:
> >
> https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.APR.txt
> >
> https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.NIO.txt
> >
> https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.NIO2.txt
> >
> > Has it been looked into already why NIO is extremely slow at it and if it
> > impacts real world use ?
>
> I haven't looked at it for performance. My previous work in this area
> has always been investigating test failures.
>

Yes, I wasn't looking at that issue either. But since things are working
now (saying this will likely cause the next build to fail in a mysterious
new way :) ) I might.

Rémy

Re: catalina.nonblocking.TestNonBlockingAPI

Posted by Mark Thomas <ma...@apache.org>.
On 30/04/2019 12:48, Rémy Maucherat wrote:
> Hi,
> 
> There's something odd with this test:
> https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.APR.txt
> https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.NIO.txt
> https://ci.apache.org/projects/tomcat/tomcat9/logs/4265/TEST-org.apache.catalina.nonblocking.TestNonBlockingAPI.NIO2.txt
> 
> Has it been looked into already why NIO is extremely slow at it and if it
> impacts real world use ?

I haven't looked at it for performance. My previous work in this area
has always been investigating test failures.

Mark

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