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https://issues.apache.org/jira/browse/SOLR-8412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Thacker updated SOLR-8412:
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Attachment: SOLR-8412.patch
Patch which does 3 things
- synchronizes on {{performOperations}} instead of
{{schema.getSchemaUpdateLock()}}
- Makes additional check of managed-schema being mutable
- Logging improvements
> SchemaManager should synchronize on performOperations method
> ------------------------------------------------------------
>
> Key: SOLR-8412
> URL: https://issues.apache.org/jira/browse/SOLR-8412
> Project: Solr
> Issue Type: Bug
> Reporter: Varun Thacker
> Priority: Minor
> Attachments: SOLR-8412.patch
>
>
> Currently SchemaManager synchronizes on {{schema.getSchemaUpdateLock()}} . We
> should synzhronize on {{performOperations}} instead.
> The net affect will be the same but the code will be more clear.
> {{schema.getSchemaUpdateLock()}} is used when you want to edit a schema and
> add one field at a time. But the way SchemaManager works is that it does bulk
> operations i.e performs all operations and then persists the final schema .
> If there were two concurrent operations that took place, the later operation
> will retry by fetching the latest schema .
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