Apache Solr is an open source search platform built on Apache Lucene that allows users to index and search websites and return search recommendations. It uses HTTP and XML and has features like a comprehensive administrative interface, high scalability, fault tolerance, flexibility, extensibility through plugins, and near real-time indexing. Solr is highly customizable and can scale up or down to adapt to users' needs.

1. WHAT IS APACHE ?
CHECK OUT ITS ADVANTAGES.
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2. WHAT IS APACHE SOLR?
Apache Solr is an open source search platform that
facilitates indexing and searching multiple websites
and returning recommendations based on the search
query’s taxonomy. It is built on a Java library called
Lucene.
The platform works with Hypertext Transfer Protocol
(HTTP) Extensible Markup Language (XML).
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3. FEATURES OF APACHE SOLR
Some of the best features of Apache Solr include:
• Comprehensive administrative interface
• High scalable
• Fault tolerant
• Flexible
• Adaptable
• Multiple search indexing
• Near real-time indexing
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4. COMPREHENSIVE
ADMINISTRATIVE
INTERFACE
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Solr comes with a built-in administrative
user interface. The search platform is
highly responsive with easy to control Solr
instances.

5. ADVANCED SEARCH
CAPABILITIES
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Lucene-based Solr offers powerful matching
capabilities that help in full-text search using
phrases, wildcards, joins, grouping etc.
across any data type

6. STANDARD OPEN
INTERFACES
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Apache Solr is a No-SQL database with
transactional support feature.
Users can easily put content via open
interfaces such as JSON, XML, and HTTP.

7. FAULT TOLERANT
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Apache Solr search platform is known
for its fault tolerance in addition to its
replication, distribution and
rebalancing features.

8. EXTENSIBLE PLUGIN
ARCHITECTURE
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Solr offers well-defined extension points
that ease the plugin of both index and
query time plugins. And, as it is an open
source platform, the code can be changed
as required.

9. FLEXIBILITY
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Solr is very flexible and easily
adaptable with easy configuration. It is
designed such that it can easily adapt
to one’s needs due to its flexibility.

10. HIGH SCALABILITY
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As the platform is built on Apache
Zookeeper, it’s very easy to scale up and
scale down.

11. NEAR REAL-
TIME INDEXING
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If one wants to see the updates
immediately, then Solr is the best option.
With the help Lucene's Near Real-Time
Indexing features, Solr ensures near real
time indexing of content.

12. THANK YOU
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