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Posted to yarn-issues@hadoop.apache.org by "Subru Krishnan (JIRA)" <ji...@apache.org> on 2017/03/03 02:53:45 UTC
[jira] [Updated] (YARN-6247) Share a single instance of
SubClusterResolver instead of instantiating one per AM
[ https://issues.apache.org/jira/browse/YARN-6247?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Subru Krishnan updated YARN-6247:
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Summary: Share a single instance of SubClusterResolver instead of instantiating one per AM (was: Add SubClusterResolver into FederationStateStoreFacade)
> Share a single instance of SubClusterResolver instead of instantiating one per AM
> ---------------------------------------------------------------------------------
>
> Key: YARN-6247
> URL: https://issues.apache.org/jira/browse/YARN-6247
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Botong Huang
> Assignee: Botong Huang
> Priority: Minor
> Attachments: YARN-6247-YARN-2915.v1.patch, YARN-6247-YARN-2915.v2.patch, YARN-6247-YARN-2915.v3.patch, YARN-6247-YARN-2915.v4.patch
>
>
> Add SubClusterResolver into FederationStateStoreFacade. Since the resolver might involve some overhead (read file in the background, potentially periodically), it is good to put it inside FederationStateStoreFacade singleton, so that only one instance will be created.
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