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https://issues.apache.org/jira/browse/HADOOP-16044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16742401#comment-16742401
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Thomas Marquardt commented on HADOOP-16044:
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Good questions, and the answers are complicated by JVM implementations which
may not honor DNS TTL for negative caching.
Testing with fault injection could shed light here, but not sure how
easy/difficult this is?
Could we commit this change while we dig into this more?
> ABFS: Better exception handling of DNS errors followup
> ------------------------------------------------------
>
> Key: HADOOP-16044
> URL: https://issues.apache.org/jira/browse/HADOOP-16044
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Da Zhou
> Assignee: Da Zhou
> Priority: Major
> Attachments: HADOOP-16044-001.patch, HADOOP-16044-002.patch
>
>
> This is a follow up for HADOOP-15662 as the 001 patch of HADOOP-15662 is
> already committed.
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