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Posted to dev@lucene.apache.org by "Varun Thacker (JIRA)" <ji...@apache.org> on 2015/12/14 08:48:46 UTC

[jira] [Created] (SOLR-8412) SchemaManager should synchronize on performOperations method

Varun Thacker created SOLR-8412:
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             Summary: 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


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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