Ishan Chattopadhyaya created SOLR-11920:
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Summary: Differential file copy for IndexFetcher
Key: SOLR-11920
URL: https://issues.apache.org/jira/browse/SOLR-11920
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Ishan Chattopadhyaya
Assignee: Ishan Chattopadhyaya
In the case of fullCopy=true, all files are copied over from the leader/master
irrespective of whether or not that exact file exists with the replica/slave.
This is wasteful, esp. in tlog replicas or pull replicas, when only a fraction
of the total files are different.
This stems from SOLR-11815.
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