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https://issues.apache.org/jira/browse/SOLR-5750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551169#comment-14551169
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Greg Solovyev commented on SOLR-5750:
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[~varunthacker] if I am understanding the code correctly, when a collection has
multiple shards spread over multiple nodes, data from each shard will be backed
up only on that shard's node, metadata from ZK will be saved on whichever node
happens to handle the backup request. Am I missing something here?
> Backup/Restore API for SolrCloud
> --------------------------------
>
> Key: SOLR-5750
> URL: https://issues.apache.org/jira/browse/SOLR-5750
> Project: Solr
> Issue Type: Sub-task
> Components: SolrCloud
> Reporter: Shalin Shekhar Mangar
> Assignee: Varun Thacker
> Fix For: Trunk, 5.2
>
> Attachments: SOLR-5750.patch, SOLR-5750.patch
>
>
> We should have an easy way to do backups and restores in SolrCloud. The
> ReplicationHandler supports a backup command which can create snapshots of
> the index but that is too little.
> The command should be able to backup:
> # Snapshots of all indexes or indexes from the leader or the shards
> # Config set
> # Cluster state
> # Cluster properties
> # Aliases
> # Overseer work queue?
> A restore should be able to completely restore the cloud i.e. no manual steps
> required other than bringing nodes back up or setting up a new cloud cluster.
> SOLR-5340 will be a part of this issue.
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