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https://issues.apache.org/jira/browse/HDDS-3580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bharat Viswanadham updated HDDS-3580:
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Component/s: OM HA
> Retry Cache in OM
> -----------------
>
> Key: HDDS-3580
> URL: https://issues.apache.org/jira/browse/HDDS-3580
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: OM HA
> Reporter: Bharat Viswanadham
> Assignee: Bharat Viswanadham
> Priority: Major
> Attachments: Retry Cache in OM.pdf
>
>
> The failover proxy provider for OM HA retries requests on Network
> Timeout/Connectivity Exception. It can retry the request on the same OM or a
> new OM. If the request has been already processed, the subsequent retry will
> fail with error for non idempotent operations such as createVolume,
> createBucket createKey, renameKey etc. This will cause an application
> failure, unnecessary overhead in processing the operation again, and possibly
> corruption in metadata during failover.
> This Jira is to discuss this issue in detail, and also categorize OM
> operations.
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