Apache Solr Release Notes
Introduction
------------
Apache Solr is an open source enterprise search server based on the Apache Lucene Java
search library, with XML/HTTP and JSON APIs, hit highlighting, faceted search,
caching, replication, and a web administration interface.
See http://lucene.apache.org/solr for more information.
Getting Started
---------------
You need a Java 1.8 VM or later installed.
In this release, there is an example Solr server including a bundled
servlet container in the directory named "example".
See the Solr tutorial at https://lucene.apache.org/solr/guide/solr-tutorial.html
================== 7.5.0 ==================
Consult the LUCENE_CHANGES.txt file for additional, low level, changes in this release.
Versions of Major Components
---------------------
Apache Tika 1.18
Carrot2 3.16.0
Velocity 1.7 and Velocity Tools 2.0
Apache ZooKeeper 3.4.11
Jetty 9.4.11.v20180605
Upgrade Notes
----------------------
* The data-driven schema no longer returns the *_str field-copy of text fields by default. The *_str field is still
created and can be used for e.g. sorting, but to retrieve it you now need to explicitly list it in "fl" (SOLR-12350)
* LUCENE-7976: TieredMergePolicy now respects maxSegmentSizeMB by default when executing
findForcedMerges (optimize) and findForcedDeletesMerges (expungeDeletes) (Erick Erickson)
* SOLR-12395: SignificantTermsQParserPlugin's name is now 'significantTerms' and its old name 'sigificantTerms' is deprecated.
* SOLR-11694: Extremely outdated UIMA contrib module has been removed (Alexandre Rafalovitch)
* SOLR-12008: The configuration file for log4j2.xml is now in ../server/resources/log4j2.xml. All other copies have been removed.
WINDOWS USERS: This JIRA corrects a bug in the start scripts that put example logs under ...\server, solr.log is
now under ...\example. (Erick Erickson)
New Features
----------------------
* SOLR-11865: The QueryElevationComponent now has a useConfiguredElevatedOrder setting. When multiple docs are elevated,
this specifies whether their relative order should be the order in the configuration file or if not then should they
be subject to whatever the sort criteria is. Additionally, QEC was extensively refactored to be more extensible.
(Bruno Roustant, David Smiley)
* SOLR-12474: Add an UpdateRequest Object that implements RequestWriter.ContentWriter (noble)
* SOLR-12361: Allow nested child documents to be in field values of a SolrInputDocument as an alternative to
add/get ChildDocuments off to the side. The latter is now referred to as "anonymous" child documents as opposed to
"labelled" (by the field name). Anonymous child docs might be deprecated in the future. This is an internal change
that should work for javabin/SolrJ; separate issues will address XML & JSON formats populating nested docs in this way.
AddUpdateCommand and it's relationship with DirectUpdateHandler2 was reworked substantially. (Moshe Bla, David Smiley)
* SOLR-12362: Uploading docs in JSON now supports child documents as field values, thus providing a label to the
relationship instead of the current "anonymous" relationship. Use of this experimental feature sometimes requires a
anonChildDocs=false parameter until Solr 8 due to syntax ambiguities. (Moshe Bla, David Smiley)
* SOLR-12485: Uploading docs in XML now supports child documents as field values, thus providing a label to the
relationship instead of the current "anonymous" relationship. (Moshe Bla, David Smiley)
* SOLR-12441: (EXPERIMENTAL) New NestedUpdateProcessorFactory (URP) to populate special fields _nest_parent_ and
_nest_path_ of nested (child) documents. It will generate a uniqueKey of nested docs if they were blank too.
(Moshe Bla, David Smiley)
* SOLR-12519: The [child] transformer now returns a nested child doc structure (attached as fields if provided this way)
provided the schema has the _nest_path_ field. This is part of a broader enhancement of nested docs.
(Moshe Bla, David Smiley)
* SOLR-12722: The [child] transformer now takes an 'fl' param to specify which fields to return. It will evaluate
doc transformers if present. In 7.5 a missing 'fl' defaults to the current behavior of all fields, but in 8.0
defaults to the top/request "fl". (Moshe Bla, David Smiley)
* SOLR-11578: Solr 7 Admin UI (Cloud > Graph) should reflect the Replica type to give a more accurate representation
of the cluster. (Rhoit Singh via Erick Erickson)
* SOLR-12507: Modify collection API should support un-setting properties. (shalin)
* SOLR-12506: Add SolrJ support for the modify collection API. (shalin)
* SOLR-12398: The JSON Facet API now supports type=heatmap facets, just as classic faceting does. (David Smiley)
* SOLR-11985: Support percentage values in replica attribute in autoscaling policy (noble)
* SOLR-12511: Support non integer values for replica in autoscaling policy (noble)
* SOLR-12517: Support range values for replica in autoscaling policy (noble)
* SOLR-12530: Ability to disable configset upload via -Dconfigset.upload.enabled=false startup parameter
(Ishan Chattopadhyaya)
* SOLR-12495: An #EQUAL function for replica in autoscaling policy to equally distribute replicas (noble)
* SOLR-11986: Allow percentage in freedisk attribute in autoscaling policy rules (noble)
* SOLR-12522: Support a runtime function `#ALL` for 'replica' in autoscaling policies (noble)
* SOLR-12567: JSON Facet "functions" now support an extended "type:func" syntax, similar to other types
of facets. This also allows additional local params to be specified for if the aggregation function
can take advantage of them. (hossman)
* SOLR-12581: the JSON Facet 'relatedness()' aggregate function now supports a 'min_popularity' option
using the extended type:func syntax (hossman)
* SOLR-12536: autoscaling policy support to equally distribute replicas on the basis of arbitrary properties (noble)
* SOLR-8207: Add "Nodes" view to the Admin UI "Cloud" tab, listing nodes and key metrics (janhoy)
* SOLR-7767: "ZK Status" sub menu under "Cloud" tab to see status of zookeeper ensemble (janhoy)
* SOLR-11990: Make it possible to co-locate replicas of multiple collections together in a node. A collection may be
co-located with another collection during collection creation time by specifying a 'withCollection' parameter. It can
also be co-located afterwards by using the modify collection API. The co-location guarantee is enforced regardless of
future cluster operations whether they are invoked manually via the Collection API or by the Autoscaling framework.
(noble, shalin)
* SOLR-12402: Factor out SolrDefaultStreamFactory class. (Christine Poerschke)
* SOLR-12592: support #EQUAL function, range operator, decimal and percentage in cores in autoscaling policies (noble)
* SOLR-12655: Add Korean morphological analyzer ("nori") to default distribution. This also adds examples
for configuration in Solr's schema. (Uwe Schindler)
* SOLR-11863: Add knnRegress Stream Evaluator to support nearest neighbor regression (Joel Bernstein)
* SOLR-12702: Add zscores Stream Evaluator (Joel Bernstein)
* SOLR-12687: Add functions to cache data structures and mathematical models (Joel Bernstein)
* SOLR-12671: Add robust flag to knnRegress Stream Evaluator (Joel Bernstein)
* SOLR-12660: Add outliers Stream Evaluator to support outlier detection with probability distributions
(Joel Bernstein)
* SOLR-12634: Add gaussfit Stream Evaluator (Joel Bernstein)
* SOLR-12629: The predict evaluator should work with the polyfit function (Joel Bernstein)
* SOLR-12715: NodeAddedTrigger should support adding replicas to new nodes by setting preferredOperation=addreplica.
(shalin)
* SOLR-11861: When creating a configSet via the API, the "baseConfigSet" parameter now defaults to "_default".
(Amrit Sarkar, David Smiley)
* SOLR-12716: NodeLostTrigger should support deleting replicas fr
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温馨提示
Solr 是Apache下的一个顶级开源项目,采用Java开发,基于Lucene的全文搜索服务器。Solr可以独立运行在Jetty、Tomcat等这些Servlet容器中。这里谈到了Lucene,它是一个开放源代码的全文检索引擎工具包。提供了完整的查询引擎和索引引擎,目的是为开发人员提供工具包,以方便的在系统中实现全文检索的功能。 而Solr 的目标是打造一款企业级的搜索引擎系统,可以独立运行。并且Solr提供了比Lucene更为丰富的查询语言,同时实现了可配置、可扩展,并对索引、搜索性能进行了优化。
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全文检索solr7.5.0 (1555个子文件)
zkcli.bat 1KB
zoo.cfg 975B
solr.cmd 72KB
solr.in.cmd 8KB
solr-exporter.cmd 3KB
jquery-ui.min.css 17KB
common.css 14KB
schema.css 14KB
chosen.css 14KB
cloud.css 12KB
replication.css 9KB
logging.css 8KB
collections.css 7KB
dataimport.css 7KB
menu.css 7KB
analysis.css 6KB
plugins.css 5KB
index.css 5KB
stream.css 4KB
cores.css 4KB
dashboard.css 4KB
segments.css 4KB
threads.css 3KB
documents.css 3KB
main.css 3KB
query.css 3KB
jquery-ui.structure.min.css 2KB
suggestions.css 2KB
files.css 1KB
java-properties.css 1KB
jquery.autocomplete.css 828B
films.csv 122KB
books.csv 959B
loader-light.gif 2KB
loader.gif 2KB
div.gif 1KB
schema.html 21KB
query.html 16KB
collections.html 15KB
cloud.html 15KB
index.html 14KB
replication.html 8KB
cores.html 8KB
index.html 8KB
dataimport.html 7KB
core_overview.html 6KB
analysis.html 5KB
segments.html 5KB
documents.html 5KB
collection_overview.html 3KB
stream.html 3KB
plugins.html 3KB
logging.html 3KB
logging-levels.html 2KB
threads.html 2KB
cluster_suggestions.html 2KB
files.html 1KB
java-properties.html 1KB
index.html 819B
sample.html 235B
favicon.ico 3KB
favicon.ico 3KB
icu4j-62.1.jar 11.8MB
icu4j-62.1.jar 11.8MB
hadoop-hdfs-2.7.4.jar 7.96MB
lucene-analyzers-nori-7.5.0.jar 7.15MB
lucene-test-framework-7.5.0.jar 6.39MB
poi-ooxml-schemas-3.17.jar 5.65MB
solr-core-7.5.0.jar 5.21MB
solr-core-7.5.0.jar 5.21MB
lucene-analyzers-kuromoji-7.5.0.jar 4.41MB
calcite-core-1.13.0.jar 4.28MB
lucene-analyzers-smartcn-7.5.0.jar 3.43MB
hadoop-common-2.7.4.jar 3.34MB
bcprov-jdk15on-1.54.jar 3.13MB
lucene-core-7.5.0.jar 2.91MB
xmlbeans-2.6.0.jar 2.6MB
derby-10.9.1.0.jar 2.58MB
poi-3.17.jar 2.58MB
pdfbox-2.0.9.jar 2.4MB
carrot2-guava-18.0.jar 2.22MB
commons-math3-3.6.1.jar 2.11MB
commons-math3-3.6.1.jar 2.11MB
guava-14.0.1.jar 2.09MB
ant-1.8.2.jar 1.84MB
morfologik-polish-2.1.5.jar 1.8MB
solr-solrj-7.5.0.jar 1.78MB
solr-solrj-7.5.0.jar 1.78MB
lucene-analyzers-common-7.5.0.jar 1.58MB
lucene-analyzers-common-7.5.0.jar 1.58MB
log4j-core-2.11.0.jar 1.53MB
log4j-core-2.11.0.jar 1.53MB
fontbox-2.0.9.jar 1.48MB
hsqldb-2.4.0.jar 1.47MB
junit4-ant-2.6.4.jar 1.47MB
htrace-core-3.2.0-incubating.jar 1.42MB
poi-ooxml-3.17.jar 1.41MB
poi-scratchpad-3.17.jar 1.33MB
jackson-databind-2.9.5.jar 1.28MB
jackson-databind-2.9.5.jar 1.28MB
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