Issue #9525 has been updated by Akira Tanaka.

Status changed from Open to Feedback

Socket.pack_sockaddr_in can block with a name resolution.
If you think the name resolution doesn't block, please explain why.

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Bug #9525: Stuck with Socket.pack_sockaddr_in
https://bugs.ruby-lang.org/issues/9525#change-45217

* Author: Naotoshi Seo
* Status: Feedback
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
* ruby -v: 1.9.3p194
* Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN, 2.1: UNKNOWN
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We met this trouble with Fluentd https://github.com/fluent/fluentd. 

Fluentd is sometimes stuck at `Socket.pack_sockaddr_in` line on shutdown. 
Here is the gist https://gist.github.com/sonots/9047653 to explain details. 





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