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https://issues.apache.org/jira/browse/NIFI-4003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne updated NIFI-4003:
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    Description: When we attempt to retrieve the latest schema version 
information for a schema with the HortonworksSchemaRegistry controller service, 
it caches the information for 1 minute. We should expose that cache duration as 
a property so that a tradeoff can be made by the user about how long to go 
without retrieving a new value vs. how long to support a local version when 
unable to communicate with the remote server.  (was: When we attempt to 
retrieve the latest schema version information for a schema with the 
HortonworksSchemaRegistry controller service, it caches the information for 1 
minute. After that minute is up, though, if we are unable to communicate with 
the HortonworksSchemaRegistry, an Exception is thrown. If we already have a 
value cached, though, we should use that instead of throwing a 
SchemaNotFoundException)

> Controller Service for HortonworksSchemaRegistry should expose Cache Duration 
> as a property
> -------------------------------------------------------------------------------------------
>
>                 Key: NIFI-4003
>                 URL: https://issues.apache.org/jira/browse/NIFI-4003
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>            Reporter: Mark Payne
>            Assignee: Mark Payne
>
> When we attempt to retrieve the latest schema version information for a 
> schema with the HortonworksSchemaRegistry controller service, it caches the 
> information for 1 minute. We should expose that cache duration as a property 
> so that a tradeoff can be made by the user about how long to go without 
> retrieving a new value vs. how long to support a local version when unable to 
> communicate with the remote server.



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