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Date: Fri, 13 Feb 2015 20:28:11 +0000 (UTC)
From: "Mike Drob (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (ACCUMULO-3596) accumulo hangs in
 {{InetAddress#getByName}}
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    [ https://issues.apache.org/jira/browse/ACCUMULO-3596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14320699#comment-14320699 ] 

Mike Drob commented on ACCUMULO-3596:
-------------------------------------

I appreciate you taking the time to file this JIRA as documentation, even though there is nothing we can do about it. Thanks!

> accumulo hangs in {{InetAddress#getByName}}
> -------------------------------------------
>
>                 Key: ACCUMULO-3596
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3596
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master, tserver
>         Environment: large cluster
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>
> calls to importDirectory were hanging.  After some debugging, it was determined that the imports were stuck waiting on DNS lookups.
> {{InetAddress#getByName}} calls {{gethostbyname_r}}
> Further, it was determined that the call only hangs if /etc/hosts.conf contains "reorder on".
> A bug was found in this section of the glibc resolver, and a bug report will be made to them.
> Workaround: turn off address reordering.
> Many thanks to [~bfloss] for finding this bug.


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