Shalin Shekhar Mangar created SOLR-5338:
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Summary: Split shards by a route key
Key: SOLR-5338
URL: https://issues.apache.org/jira/browse/SOLR-5338
Project: Solr
Issue Type: Improvement
Components: SolrCloud
Reporter: Shalin Shekhar Mangar
Assignee: Shalin Shekhar Mangar
Fix For: 4.6, 5.0
Provide a way to split a shard using a route key such that all documents of the
specified route key end up in a single dedicated sub-shard.
Example:
Assume that collection1, shard1 has hash range [0, 20]. Also that route key
'A!' has hash range [12,15]. Then invoking:
{code}
/admin/collections?action=SPLIT&collection=collection1&shard=shard1&split.key=A!
{code}
should produce three sub-shards with hash range [0,11], [12,15] and [16,20].
Now the sub-shard dedicated to documents for route key 'A!' can be scaled
separately.
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