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https://issues.apache.org/jira/browse/SOLR-6985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14279360#comment-14279360
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Varun Thacker commented on SOLR-6985:
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bq. Shouldn't the directory factory / directory have a method in its interface
to indicate if the storage is shared, rather than the end user having to
specify it in the configuration?
But I could be using MMapDir but the underlying FS is as NFS which can be
shared. So there is no way a directory can know whether it is shared or not.
> AutoAddReplicas should support any directory factory backed by a shared
> filesystem
> ----------------------------------------------------------------------------------
>
> Key: SOLR-6985
> URL: https://issues.apache.org/jira/browse/SOLR-6985
> Project: Solr
> Issue Type: Improvement
> Reporter: Varun Thacker
> Priority: Minor
> Attachments: SOLR-6985.patch
>
>
> Currently one can only use AutoAddReplicas with HdfsDirectoryFactory.
> I should also be able to use any directory factory as long as my underlying
> filesystem is shared. I could be using MMapDirectory factory and have an
> underlying NFS shared Filesystem.
> We should make the 'isSharedStorage' param configurable in solrconfig. This
> should be set to true by the user if their underlying FS is shared. Currently
> 'isSharedStorage' is hardcoded to true for HDFSDir.
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