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From "Eric Newton (JIRA)" <>
Subject [jira] [Created] (ACCUMULO-3596) accumulo hangs in {{InetAddress#getByName}}
Date Fri, 13 Feb 2015 20:24:11 GMT
Eric Newton created ACCUMULO-3596:

             Summary: accumulo hangs in {{InetAddress#getByName}}
                 Key: ACCUMULO-3596
             Project: Accumulo
          Issue Type: Bug
          Components: master, tserver
         Environment: large cluster
            Reporter: 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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