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https://issues.apache.org/jira/browse/SOLR-11807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Thacker updated SOLR-11807:
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Attachment: SOLR-11807.patch
> Restore collection should treat maxShardsPerNode=-1 as unlimited like create
> collection
> ---------------------------------------------------------------------------------------
>
> Key: SOLR-11807
> URL: https://issues.apache.org/jira/browse/SOLR-11807
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Priority: Major
> Attachments: SOLR-11807.patch
>
>
> Today we can never restore the cloud example gettingstarted collection
> because it sets maxShardsPerNode=-1 . We have special handling for -1 in
> CreateCollectionCmd but not in RestoreCmd.
> Today RestoreCmd does has this check and it fails to restore the collection
> {code}
> if ((numShards * totalReplicasPerShard) > (availableNodeCount *
> maxShardsPerNode)) {
> throw new SolrException(ErrorCode.BAD_REQUEST,
> String.format(Locale.ROOT, "Solr cloud with available number of
> nodes:%d is insufficient for"
> + " restoring a collection with %d shards, total replicas per
> shard %d and maxShardsPerNode %d."
> + " Consider increasing maxShardsPerNode value OR number of
> available nodes.",
> availableNodeCount, numShards, totalReplicasPerShard,
> maxShardsPerNode));
> }
> {code}
> Steps to reproduce:
> Steps to reproduce:
> 1. ./bin/solr start -e cloud -noprompt : This creates a 2 node cluster and a
> gettingstarted collection which 2X2
> 2. Added 4 docs (id=1,2,3,4) with commit=true and openSearcher=true (default)
> 3. Call backup:
> http://localhost:8983/solr/admin/collections?action=BACKUP&name=gettingstarted_backup&collection=gettingstarted&location=/Users/varunthacker/solr-7.1.0
> 4. Call restore:
> http://localhost:8983/solr/admin/collections?action=restore&name=gettingstarted_backup&collection=restore_gettingstarted&location=/Users/varunthacker/solr-7.1.0
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