Shalin Shekhar Mangar created SOLR-5300:
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Summary: 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: 5.0, 4.6
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 decimal or hexadecimal
e.g. ranges=0-0x1f4,0x1f5-0x3e8,0x3e9-0x5dc 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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