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From Alexandre Rafalovitch <>
Subject Re: [ANNOUNCE] Apache Solr 6.6.0 released
Date Wed, 07 Jun 2017 14:57:48 GMT
That did not format well..... At least for me.
---- - Resources for Solr users, new and experienced

On 7 June 2017 at 10:40, Ishan Chattopadhyaya <> wrote:
> 6 June 2017, Apache Solr 6.6.0 availableSolr is the popular, blazing
> fast, open source NoSQL search platform from the Apache Lucene
> project. Its major features include powerful full-text search, hit
> highlighting, faceted search and analytics, rich document parsing,
> geospatial search, extensive REST APIs as well as parallel SQL. Solr
> is enterprise grade, secure and highly scalable, providing fault
> tolerant distributed search and indexing, and powers the search and
> navigation features of many of the world's largest internet sites.Solr
> 6.6.0 is available for immediate download at: .
> read CHANGES.txt for a full list of new features and changes: .
> 6.6
> Release Highlights:Fields and field types:* Payload support with
> payload() value source and {!payload_score} and {!payload_check}
> query parsers* Solr support for SimpleTextCodec, via <codecFactory
> class="solr.SimpleTextCodecFactory"/>  in solrconfig.xml (per-field
> specification in the schema is not possible)* Multi-field support to
> TermsComponent when requesting terms' statistics* Grouping support
> with PointFields* CollapseQParser support with PointFields*
> ExpandComponent support with PointFieldsNew API:* UPLOAD command
> (Config Set API) for uploading zipped configsets* MOVEREPLICA command
> (Collections API) for moving a replica across nodes* LISTALIASES
> command (Collections API) to return a list of all collection aliases*
> STATUS command (Core Admin API) to emit collection details of each
> coreScript:* Basic authentication can be enabled/disabled using
> bin/solr|bin/solr.cmd* ls command to ZkCLI for listing only
> sub-directories* bin/solr script now prints warning when available
> system entropy is lower than 300* installed by install
> script should be writable by solr userFaceting:* Variance and Standard
> Deviation aggregators for the JSON Facet API* JSON Faceting now
> supports a query time 'join' domain change optionStreaming expressions
> and evaluators:* CartesianProductStream, which turns a single tuple
> with a multi-valued field into N tuples, one for each value in the
> multi-valued field* Basic math Streaming Evaluators* UUID Streaming
> Evaluator* Date/time Stream Evaluators* analyze Stream Evaluator to
> support streaming NLP* shuffle Streaming Expression* search Streaming
> Expression should work in non-SolrCloud mode* echo Streaming
> Expression* eval Streaming Expression* timeseries Streaming
> Expression* let, get and tuple Streaming Expressions* Correlation
> Stream Evaluator* stats Streaming Expression should work in
> non-SolrCloud mode* regress and predict Stream Evaluators* covariance
> Stream Evaluator* convolution Stream Evaluator* normalize Stream
> EvaluatorExamples:* Solr default/example uses
> WordDelimiterGraphFilterFactory and SynonymGraphFilterFactory* New
> DataImportHandler 'atom' example, replacing broken 'rss' example*
> Redone DataImportHandler 'tika' example, removing all unused and
> irrelevant definitionsMetrics:* Expose cache statistics using metrics
> API* Improvements to metric reporters and API: support for "regex"
> parameter in /admin/metrics, "enabled" flag in reporter
> configurations, correct handling of "serviceUrl" in SolrJmxReporter,
> better handling of service clients for JMX, Ganglia and Graphite
> reportersUpgrades/deprecations/removals:* Upgraded Metrics library to
> 3.2.2, Zookeeper to 3.4.10* Deprecated LatLonType, GeoHashField,
> SpatialPointVectorFieldType, and SpatialTermQueryPrefixTreeFieldType.
> Instead, switch to LatLonPointSpatialField or
> SpatialRecursivePrefixTreeFieldType or RptWithGeometrySpatialField*
> Deprecated PostingsSolrHighlighter. Use UnifiedSolrHighlighter
> instead.* Removed Solr contribs: map-reduce, morphlines-core and
> morphlines-cellSolrJ:* CloudSolrClient can now be initialized using
> the base URL of a Solr instance instead of ZooKeeper hosts* SolrJ:
> Added SolrParams.toLocalParamsString() and
> ClientUtils.encodeLocalParamVal* LBHttpSolrClient.doRequest is now
> always wrapped in a Mapped Diagnostic Context (MDC)Others:* New
> AtomicUpdateProcessor to convert normal update operations to atomic
> update operations* totalTermFreq support to TermsComponent* Hide
> keystore and truststore passwords from /admin/info/* outputs*
> Configurability for thread pool size to recoveryExecutor* Introducing
> sort=childfield(field) asc for searching by {!parent}* Transient core
> cache is now pluggable* Renamed getSortWithinGroup to
> getWithinGroupSort in search.grouping.CommandOptimizations:*
> facet.heatmap is now significantly faster when the docset (base query)
> matches everything and there are no deleted docs. It is also faster
> when the docset matches a small fraction of the index or none* Reduced
> heap consumption for filter({!join ... score=...}) * JSON Facet API
> now uses hyper-log-log++ for determining the number of buckets when
> merging requests from a multi-shard distributed request* Better
> ZkStateWriter batching* Using cache for DistributedQueue in case of
> single-consumerFurther details of changes are available in the change
> log available at:
> report
> any feedback to the mailing lists
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