Need help testing new Selector implementation on Windows

Alan Bateman Alan.Bateman at oracle.com
Fri May 14 14:00:42 UTC 2021


The implementation of the Selector API on Windows has been replaced in 
JDK 17 b22 with a new more scalable implementation. The old select based 
Selector implementation has been the default since Java 1.4 (2002) so 
replacing it is a significant change. It would be really helpful to get 
more testing of the new implementation before the fork for Rampdown 
Phase One on June 10. If you have an application or workload or tests 
that you know uses the NIO Selector API and can be easily tested on 
Windows then it would be really great if you could spare the time to try 
it out. The JDK 17 Early-Access build page [1] has a download if you 
need it.

Thank you,

-Alan

[1] http://jdk.java.net/17/


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