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https://issues.apache.org/jira/browse/SOLR-7374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15340439#comment-15340439
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Hrishikesh Gadre commented on SOLR-7374:
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[~varunthacker]
bq. Alternatively how do you feel about forcing a default repository if
multiple repos are configured? Currently if there is just 1 we make that
default but when there are multiple repositories we don't necessarily need to
provide a default.
Yes we can force the user to have a default repository if multiple repos are
configured. But it seems to me that the code under consideration is added as
part of SOLR-561 (i.e. Solr replication). Do we need to incorporate these
changes in the replication work-flow? My gut feeling is that we shouldn't make
any changes to this code as part of this JIRA.
bq. I feel the first point should be part of this Jira . We can then say this
patch effectively solves makes the repository interface work for both
standalone and cloud.
Based on JIRA description, I thought the requirement for this JIRA is to
support core level backup/restore. But I am OK with repurposing this JIRA to
cover Solr cloud as well. Its just that the patch will grow in size :) I
generally prefer to keep patch short which makes it easier to review and test.
But if you are OK with larger patch, I can resubmit it. Let me know.
> Backup/Restore should provide a param for specifying the directory
> implementation it should use
> -----------------------------------------------------------------------------------------------
>
> Key: SOLR-7374
> URL: https://issues.apache.org/jira/browse/SOLR-7374
> Project: Solr
> Issue Type: Bug
> Reporter: Varun Thacker
> Assignee: Mark Miller
> Fix For: 6.2
>
> Attachments: SOLR-7374.patch, SOLR-7374.patch, SOLR-7374.patch,
> SOLR-7374.patch, SOLR-7374.patch, SOLR-7374.patch, SOLR-7374.patch
>
>
> Currently when we create a backup we use SimpleFSDirectory to write the
> backup indexes. Similarly during a restore we open the index using
> FSDirectory.open .
> We should provide a param called {{directoryImpl}} or {{type}} which will be
> used to specify the Directory implementation to backup the index.
> Likewise during a restore you would need to specify the directory impl which
> was used during backup so that the index can be opened correctly.
> This param will address the problem that currently if a user is running Solr
> on HDFS there is no way to use the backup/restore functionality as the
> directory is hardcoded.
> With this one could be running Solr on a local FS but backup the index on
> HDFS etc.
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