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https://issues.apache.org/jira/browse/HIVE-3443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452350#comment-13452350
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Shreepadma Venugopalan commented on HIVE-3443:
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@Jakob: This tool has been added to support migration to HA NN for Hive
customers. I'm not sure I understand what you mean by change to the Sedere
class since its name changed. Hive Metatool replies on the key "schema.url" to
update avro schema url records that contain a reference to the NN. Given the
recent change from schema.url to avro.schema.url, unless Hive Metatool allows
the user to pass in the serdeParamKey, it can't reliably update all metastore
records to refer the the right NN. Failing to update some of the metastore
records will render some tables in the warehouse inaccessible. This is in no
way a minor bug.
> Hive Metatool should take serde_param_key from the user to allow for changes
> to avro serde's schema url key
> -----------------------------------------------------------------------------------------------------------
>
> Key: HIVE-3443
> URL: https://issues.apache.org/jira/browse/HIVE-3443
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Affects Versions: 0.10.0
> Reporter: Shreepadma Venugopalan
> Assignee: Shreepadma Venugopalan
> Priority: Minor
> Attachments: HIVE-3443.1.patch.txt
>
>
> Hive Metatool should take serde_param_key from the user to allow for chanes
> to avro serde's schema url key. In the past "avro.schema.url" key used to be
> called "schema.url".
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