EpollEventLoopGroup slow shutdown regression

[vietj]

Expected behavior

EpollEventLoopGroup regular shutdown takes a few millis to complete.

Actual behavior

EpollEventLoopGroup takes about 1 second to shutdown. This only apply since 4.1.42.Final, it might be related to 76592db#diff-824cfcec3522343772416dd064658a83

Steps to reproduce

Shutdown an EpollEventLoopGroup and wait for its completion. We noticed it because Vert.x testsuite using Epoll on Linux takes much longer than usual (making timeout CI jobs).

Minimal yet complete reproducer code (or URL to code)

Clone https://github.com/eclipse-vertx/vert.x and run mvn test -PtestNativeTransport

Netty version

4.1.42.Final

JVM version (e.g. java -version)

OpenJDK 8

OS version (e.g. uname -a)

Linux XXX 4.4.0-93-generic #116-Ubuntu SMP Fri Aug 11 21:17:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

[njhill]

@vietj would you be able to try with the latest 4.1.43 snapshot? Some fixes have already gone in which hopefully address this.

[vietj]

sure, do you have snapshots published in sonatype OSS repository ?

[normanmaurer]

@vietj yes

[vietj]

awesome will give a run soon.

[vietj]

assuming of course sonatype repository works :-)

[vietj]

it does not seem to work for me at the moment, I'll report later

[normanmaurer]

@vietj let us know once you have any feedback to share

[vietj]

it works fine with latest 4.1..43.Final-SNAPSHOT https://travis-ci.org/vietj/vert.x/builds/599121826

[normanmaurer]

Ok cool then lets close this