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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12557) Introduce timeout mechanism for IP to rack resolution
Date Sat, 22 Nov 2014 00:21:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14221636#comment-14221636
] 

Andrew Purtell commented on HBASE-12557:
----------------------------------------

Spelling error "DETEMINDER"

Missing a test that this actually works

> Introduce timeout mechanism for IP to rack resolution
> -----------------------------------------------------
>
>                 Key: HBASE-12557
>                 URL: https://issues.apache.org/jira/browse/HBASE-12557
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 12557-v1.txt
>
>
> Config parameter, "hbase.util.ip.to.rack.determiner", determines the class which does
IP to rack resolution.
> The actual resolution may be lengthy.
> This JIRA is continuation of HBASE-12554 where a mock DNSToSwitchMapping is used for
rack resolution.
> A timeout parameter, "hbase.ip.to.rack.determiner.timeout", is proposed whose value governs
the duration which RackManager waits before rack resolution is stopped.



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