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Solr 5.2.0 发布,全文搜索服务器

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Solr 5.2.0 发布,全文搜索服务器

Solr 5.2.0 发布,值得关注的改进如下:

  • Restore API allows restoring a core from an index backup.

  • JSON Facet API

    • unique() is now implemented for numeric and date fields

    • Optional flatter form via a "type" parameter

    • Added support for "mincount" parameter in range facets to suppress buckets less than that count

    • Multi-select faceting support for the Facet Module via the "excludeTags" parameter which disregards any matching tagged filters for that facet.

    • hll() facet function for distributed cardinality via HyperLogLog algorithm. See examples at http://yonik.com/solr-count-distinct/

  • A new "facet.range.method" parameter to let users choose how to do range faceting between an implementation based on filters (previous algorithm, using "facet.range.method=filter") or DocValues ("facet.range.method=dv")

  • Rule-based Replica assignment during collection, shard, and replica creation.

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