mirror of https://github.com/apache/lucene.git
SOLR-12023: correcting wrong git merge
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Noble Paul
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solr/CHANGES.txt
108
solr/CHANGES.txt
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@ -16,6 +16,88 @@ In this release, there is an example Solr server including a bundled
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servlet container in the directory named "example".
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See the Solr tutorial at https://lucene.apache.org/solr/guide/solr-tutorial.html
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================== 8.0.0 ==================
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Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
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Versions of Major Components
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---------------------
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Apache Tika 1.19.1
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Carrot2 3.16.0
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Velocity 1.7 and Velocity Tools 2.0
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Apache ZooKeeper 3.4.11
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Jetty 9.4.11.v20180605
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Upgrade Notes
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----------------------
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* LUCENE-7996: The 'func' query parser now returns scores that are equal to 0
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when a negative value is produced. This change is due to the fact that
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Lucene now requires scores to be positive. (Adrien Grand)
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* SOLR-11882: SolrMetric registries retained references to SolrCores when closed. A
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change of SolrMetricMAnager.registerGauge and SolrMetricProducer.initializeMetrics
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method signatures was required to fix it. Third party components that use this API
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need to be updated. (Eros Taborelli, Erick Erickson, ab)
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* LUCENE-8267: Memory codecs have been removed from the codebase (MemoryPostings,
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MemoryDocValues). If you used postingsFormat="Memory" or docValuesFormat="Memory"
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then either remove it to use the default or experiment with one of the others. (Dawid Weiss)
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* SOLR-12586: The date format patterns used by ParseDateFieldUpdateProcessorFactory (present in "schemaless mode")
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are now interpreted by Java 8's java.time.DateTimeFormatter instead of Joda Time. The pattern language is very
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similar but not the same. Typically, simply update the pattern by changing an uppercase 'Z' to lowercase 'z' and
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that's it. For the current recommended set of patterns in schemaless mode, see "Schemaless Mode" in the ref guide,
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or simply examine the default configSet. Also note that the set of patterns (formats) here have
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expanded from before to subsume those patterns previously handled by the "extract" contrib (Solr Cell / Tika).
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(David Smiley, Bar Rotstein)
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* SOLR-12593: The "extraction" contrib (Solr Cell) no longer does any date parsing, and thus no longer has the
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"date.formats" configuration. To ensure date strings are properly parsed, use ParseDateFieldUpdateProcessorFactory
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(an URP) commonly registered with the name "parse-date" in "schemaless mode". (David Smiley, Bar Rotstein)
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* SOLR-12754: The UnifiedHighlighter hl.weightMatches now defaults to true. If there are unforseen highlight problems,
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this may be the culprit.
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New Features
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----------------------
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* SOLR-12591: Expand the set of recognized date format patterns of schemaless mode to subsume those handled by the
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"extract" contrib (Solr Cell / Tika). This is primarily a change in configuration of the default configSet for more
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patterns, but also included enabling "lenient" parsing in ParseDateFieldUpdateProcessorFactory. The default
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locale was changed from ROOT to en_US since well-known patterns assume this locale.
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(David Smiley, Bar Rotstein)
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* SOLR-12879: MinHash query parser that builds queries providing a measure of Jaccard similarity (Andy Hind via Tommaso Teofili)
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* SOLR-12593: The default configSet now includes an "ignored_*" dynamic field. (David Smiley)
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Optimizations
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----------------------
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* SOLR-12725: ParseDateFieldUpdateProcessorFactory should reuse ParsePosition. (ab)
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Other Changes
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----------------------
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* SOLR-12614: Make "Nodes" view the default in AdminUI "Cloud" tab (janhoy)
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* SOLR-12586: Upgrade ParseDateFieldUpdateProcessorFactory (present in "schemaless mode") to use Java 8's
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java.time.DateTimeFormatter instead of Joda time (see upgrade notes). "Lenient" is enabled. Removed Joda Time dependency.
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(David Smiley, Bar Rotstein)
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* SOLR-5163: edismax now throws an exception when qf refers to a nonexistent field (Charles Sanders, David Smiley)
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* SOLR-12805: Store previous term (generation) of replica when start recovery process (Cao Manh Dat)
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* SOLR-12652: Remove SolrMetricManager.overridableRegistryName method (Peter Somogyi via David Smiley)
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* LUCENE-8513: SlowCompositeReaderWrapper now uses MultiTerms directly instead of MultiFields (David Smiley)
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* SOLR-11812: Remove backward compatibility of old LIR implementation in 8.0 (Cao Manh Dat)
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* SOLR-12620: Remove the Admin UI Cloud -> Graph (Radial) view (janhoy)
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================== 7.6.0 ==================
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Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
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@ -91,6 +173,8 @@ New Features
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* SOLR-12862: Add log10 Stream Evaluator and allow the pow Stream Evaluator to accept a vector of exponents (Joel Bernstein)
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* SOLR-12942: Add an option in IndexSizeTrigger to select the split shard method. (ab)
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* SOLR-12938: Cluster Status returns results for aliases, instead of throwing exceptions (Gus Heck)
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* SOLR-11997: Suggestions API/UI should show an entry where a violation could not be resolved (noble)
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@ -161,6 +245,8 @@ Bug Fixes
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* SOLR-12875: fix ArrayIndexOutOfBoundsException when unique(field) or uniqueBlock(_root_) is
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used with DVHASH method in json.facet. (Tim Underwood via Mikhail Khludnev)
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* SOLR-12954: fix facet.pivot refinement bugs when using facet.sort=index and facet.mincount>1 (hossman)
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* SOLR-12023: Autoscaling policy engine shuffles replicas needlessly (noble)
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* SOLR-12243: Edismax missing phrase queries when phrases contain multiterm synonyms
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@ -185,6 +271,8 @@ Improvements
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* SOLR-12892: MapWriter to use CharSequence instead of String (noble)
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* SOLR-12882: Eliminate excessive lambda allocation in json facets FacetFieldProcessorByHashDV (Tim Underwood)
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* SOLR-12699: Make contrib/ltr LTRScoringModel immutable and cache its hashCode.
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(Stanislav Livotov, Edward Ribeiro, Christine Poerschke)
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@ -460,13 +548,12 @@ Optimizations
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* SOLR-11654: Time Routed Alias will now route documents to the ideal shard of a collection, thus avoiding a hop.
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Usually documents were already routed well but not always. (Gus Heck, David Smiley)
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* SOLR-12305: When a replica is applying updates, some kind of updates can skip buffering for faster recovery.
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(Cao Manh Dat)
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* SOLR-11598: The export handler does not limit users to 4 sort fields and is now unlimited. However the speed at
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which we can export is directly proportional to the number of sort fields specified. This change also allows streaming
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expressions to group by on more than 4 fields. (Aroop Ganguly, Amrit Sarkar, Varun Thacker)
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* SOLR-12305: When a replica is applying updates, some kind of updates can skip buffering for faster recovery.
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(Cao Manh Dat)
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* SOLR-12509: Improve SplitShardCmd performance and reliability. A new method of splitting has been
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introduced (splitMethod=link) which uses hard-linking of index files when possible, resulting in
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@ -516,6 +603,8 @@ Other Changes
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* SOLR-12617: Remove Commons BeanUtils as a dependency (Varun Thacker)
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* SOLR-11008: Use a lighter config for MetricsHandlerTest and ensure the core is up before the test starts (Varun Thacker)
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* SOLR-11766: Move Streaming Expressions section in Ref Guide to be a top-level section. (Cassandra Targett)
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* SOLR-12656: ShardSplitTest should extend AbstractFullDistribZkTestBase instead of BasicDistributedZkTest. (shalin)
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@ -646,6 +735,11 @@ New Features
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* SOLR-12328: JSON Facet API: Domain change with graph query.
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(Daniel Meehl, Kevin Watters, yonik)
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* SOLR-11453: Configuring slowQueryThresholdMillis logs slow requests to a separate file - solr_slow_requests.log.
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(Shawn Heisey, Remko Popma, Varun Thacker)
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* SOLR-12401: Add getValue() and setValue() Stream Evaluators (Joel Bernstein, janhoy)
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* SOLR-11779, SOLR-12438: Basic long-term collection of aggregated metrics. Historical data is
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maintained as multi-resolution time series using round-robin databases in the '.system'
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collection. New /admin/metrics/history API allows retrieval of this data in numeric
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@ -795,11 +889,11 @@ Bug Fixes
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* SOLR-3567: Spellcheck custom parameters not being passed through due to wrong prefix creation.
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(Josh Lucas via shalin)
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* SOLR-12358: Autoscaling suggestions fail randomly with sorting (noble)
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* SOLR-12294: update processors loaded from runtime jars fail to load if they are specified
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in an update processor chain (noble)
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* SOLR-12358: Autoscaling suggestions fail randomly with sorting (noble)
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* SOLR-12314: Use http timeout's defined in solr.xml for creating ConcurrentUpdateSolrClient during
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indexing requests between leader and replica ( Mark Miller, Varun Thacker)
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@ -853,7 +947,7 @@ Optimizations
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* SOLR-11880: Avoid creating new exceptions for every request made to MDCAwareThreadPoolExecutor by distributed
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search and update operations. (Varun Thacker, shalin)
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* SOLR-12375: Optimize Lucene needsScore / ScoreMode use:
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* SOLR-12375: Optimize Lucene ScoreMode use:
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A non-cached filter query could be told incorrectly that scores were needed.
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The /export (ExportQParserPlugin) would declare incorrectly that scores are needed.
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Expanded docs (expand component) could be told incorrectly that scores are needed. (David Smiley)
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@ -946,6 +1040,8 @@ Other Changes
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* SOLR-12435: Fix bin/solr help and ref guide text to describe ZK_HOST in solr.in.sh/solr.in.cmd
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as an alternative to -z cmdline param. (Steve Rowe)
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* SOLR-12428: Solr LTR jar now included in _default configset's solrconfig.xml (Ishan Chattopadhyaya)
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================== 7.3.1 ==================
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Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
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