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https://issues.apache.org/jira/browse/HIVE-27284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17736771#comment-17736771
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Denys Kuzmenko commented on HIVE-27284:
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Merged to master.
[~wechar], thank you for the contribution and [~dengzh] for the review!
> Make HMSHandler proxy pluggable
> -------------------------------
>
> Key: HIVE-27284
> URL: https://issues.apache.org/jira/browse/HIVE-27284
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Affects Versions: 4.0.0-alpha-2
> Reporter: Wechar
> Assignee: Wechar
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Currently HMS use the only proxy implementation of HMSHandler i.e
> {{RetryingHMSHandler}}, resulting in some code hacks in {{HMSHandler}}. For
> example when test HMS timeout, we add additional static fields
> {{testTimeoutEnabled}} and {{testTimeoutValue}}, and add sleep code in
> {{create_database}} method, which is not elegant and flexible.
> So we introduce a new conf {{metastore.hmshandler.proxy}} to configure proxy
> class for HMSHandler, it will be more convenient to extend the new proxy of
> HMSHandler and can separate test code from HMSHandler.
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