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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15813) Enable more reliable SSL connection reuse
Date Wed, 10 Oct 2018 19:45:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daryn Sharp updated HADOOP-15813:
---------------------------------
    Attachment: HADOOP-15813.patch

> Enable more reliable SSL connection reuse
> -----------------------------------------
>
>                 Key: HADOOP-15813
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15813
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: common
>    Affects Versions: 2.6.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Major
>         Attachments: HADOOP-15813.patch, HADOOP-15813.patch
>
>
> The java keep-alive cache relies on instance equivalence of the SSL socket factory. 
In many java versions, SSLContext#getSocketFactory always returns a new instance which completely
breaks the cache.  Clients flooding a service with lingering per-request connections that
can lead to port exhaustion.  The hadoop SSLFactory should cache the socket factory associated
with the context.



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