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https://issues.apache.org/jira/browse/HADOOP-19261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17883183#comment-17883183
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ASF GitHub Bot commented on HADOOP-19261:
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ChenSammi opened a new pull request, #7057:
URL: https://github.com/apache/hadoop/pull/7057
### Description of PR
https://issues.apache.org/jira/browse/HADOOP-19261
Currently the DomainSocket#close will check the reference count to be 0
before it goes on to close the socket. In server service case, server calls
DomainSocket#listen will add 1 to the reference count. When trying to close the
server socket which is blocked by accept, the close call will doing endless
count > 0 check, which prevent the server socket to be closed.
### How was this patch tested?
Improved TestDomainSocket to test the new code.
Before the patch, most of tests in TestDomainSocket will take 3 minutes and
end up like this
With the patch applied, here is the execution result of TestDomainSocket
> Support force close a DomainSocket for server service
> -----------------------------------------------------
>
> Key: HADOOP-19261
> URL: https://issues.apache.org/jira/browse/HADOOP-19261
> Project: Hadoop Common
> Issue Type: New Feature
> Reporter: Sammi Chen
> Assignee: Sammi Chen
> Priority: Major
>
> Currently the DomainSocket#close will check the reference count to be 0
> before it goes on to close the socket. In server service case, server calls
> DomainSocket#listen will add 1 to the reference count. When trying to close
> the server socket which is blocked by accept, the close call will doing
> endless count > 0 check, which prevent the server socket to be closed.
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