hadoop-yarn-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hong Zhiguo (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4024) YARN RM should avoid unnecessary resolving IP when NMs doing heartbeat
Date Mon, 17 Aug 2015 09:41:46 GMT

     [ https://issues.apache.org/jira/browse/YARN-4024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hong Zhiguo updated YARN-4024:
------------------------------
    Attachment: YARN-4024-draft.patch

Add an configuration option "yarn.resourcemanager.node-ip-cache.expiry-interval-secs", while
-1 disables caching.

> YARN RM should avoid unnecessary resolving IP when NMs doing heartbeat
> ----------------------------------------------------------------------
>
>                 Key: YARN-4024
>                 URL: https://issues.apache.org/jira/browse/YARN-4024
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Wangda Tan
>            Assignee: Hong Zhiguo
>         Attachments: YARN-4024-draft.patch
>
>
> Currently, YARN RM NodesListManager will resolve IP address every time when node doing
heartbeat. When DNS server becomes slow, NM heartbeat will be blocked and cannot make progress.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message