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https://issues.apache.org/jira/browse/SOLR-5300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shalin Shekhar Mangar updated SOLR-5300:
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Attachment: SOLR-5300-cover-shardrange.patch
# DocRouter.Range implements Comparable
# Split shard copies the ranges provided, sorts them and checks that they cover
the entire hash range
# Added a test in ShardSplitTest
> Split shards with custom hash ranges
> ------------------------------------
>
> Key: SOLR-5300
> URL: https://issues.apache.org/jira/browse/SOLR-5300
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: 4.6, 5.0
>
> Attachments: SOLR-5300-cover-shardrange.patch, SOLR-5300.patch,
> SOLR-5300.patch
>
>
> Currently, shards can only be split at the mid point of their hash range.
> This makes it difficult to control the distribution of data in the sub shards.
> We should make it possible to specify ranges to be used for splitting. A
> ranges parameter can be added which can accept hash ranges in hexadecimal
> e.g. ranges=0-1f4,1f5-3e8,3e9-5dc will split a shard with range 0-1500 into
> three shards with ranges [0,500], [501-1000] and [1001-1500] respectively.
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