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https://issues.apache.org/jira/browse/SOLR-659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley reassigned SOLR-659:
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Assignee: Yonik Seeley
> Explicitly set start and rows per shard for more efficient bulk queries
> across distributed Solr
> -----------------------------------------------------------------------------------------------
>
> Key: SOLR-659
> URL: https://issues.apache.org/jira/browse/SOLR-659
> Project: Solr
> Issue Type: Improvement
> Components: search
> Affects Versions: 1.3
> Reporter: Brian Whitman
> Assignee: Yonik Seeley
> Priority: Minor
> Fix For: 1.4
>
> Attachments: shards.start_rows.patch, SOLR-659.patch
>
>
> The default behavior of setting start and rows on distributed solr (SOLR-303)
> is to set start at 0 across all shards and set rows to start+rows across each
> shard. This ensures all results are returned for any arbitrary start and rows
> setting, but during "bulk queries" (where start is incrementally increased
> and rows is kept consistent) the client would need finer control of the
> per-shard start and rows parameter as retrieving many thousands of documents
> becomes intractable as start grows higher.
> Attaching a patch that creates a &shards.start and &shards.rows parameter. If
> used, the logic that sets rows to start+rows per shard is overridden and each
> shard gets the exact start and rows set in shards.start and shards.rows. The
> client will receive up to shards.rows * nShards results and should set rows
> accordingly. This makes bulk queries across distributed solr possible.
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