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https://issues.apache.org/jira/browse/SOLR-17671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SOLR-17671:
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    Labels: pull-request-available  (was: )

> Add a hook in ReplicationHandler to allow extending CoreReplication
> -------------------------------------------------------------------
>
>                 Key: SOLR-17671
>                 URL: https://issues.apache.org/jira/browse/SOLR-17671
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Bruno Roustant
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> While it is possible to define the replication handler class in solr.xml, it 
> is not possible to extend CoreReplication logic to tune how index files are 
> copied, or filter/unwrap the Directory used to open the files inputs.
> The proposal is to add a hook method "createCoreReplication" in 
> ReplicationHandler, and another "filterDirectory" in ReplicationAPIBase.
> Example:
> In the solr-sandbox encryption module, we would need a way to unwrap the 
> Directory used to copy files during index fetching. Otherwise the files are 
> decrypted by the EncryptionDirectory seamlessly during the files copy, ending 
> up with follower replicas having cleartext index.



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