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Posted to hdfs-issues@hadoop.apache.org by "Hanisha Koneru (JIRA)" <ji...@apache.org> on 2019/02/19 10:01:00 UTC
[jira] [Commented] (HDDS-1109) Setup Failover Proxy Provider for
client
[ https://issues.apache.org/jira/browse/HDDS-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16771781#comment-16771781 ]
Hanisha Koneru commented on HDDS-1109:
--------------------------------------
Patch v01 implements OMProxyProvider. It adds support for configuring one OM proxy on the client for each OM Node in the cluster. This patch does not include Client Request Retry and Failover implementation.
> Setup Failover Proxy Provider for client
> ----------------------------------------
>
> Key: HDDS-1109
> URL: https://issues.apache.org/jira/browse/HDDS-1109
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Priority: Major
> Attachments: HDDS-1109.001.patch
>
>
> If a client sends a request to a OM follower, it will get a NotLeaderException. The client should then keep trying the request on other OMs till it finds the leader OM. Client should cache the information about current OM leader node.
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