cassandra summit
TRANSCRIPT
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Flexible schema
Easily to scale, increased redundancy
Fast enough for web requests
Consolidate existing services
Hadoop support
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FUDNo Ad-hoc queries
No Indexes
No range queries
Limited tooling
Code complexity
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Thrift
CQL
REST
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SOLR Schema
<?xml version="1.0" encoding="UTF-8" ?><schema name="my_column_family" version="1.0">
<types> <fieldType name="string" class="solr.StrField"/> <fieldType name="date" class="solr.DateField"/> </types>
<fields> <field name="id" type="string" indexed="true" stored="true"/> <field name="name" type="string" indexed="true" stored="true"/> <field name="released_at" type="date" indexed="true" stored="true"/> </fields>
<uniqueKey>id</uniqueKey> <defaultSearchField>name</defaultSearchField></schema>
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Basic Queries
http://localhost:8983/solr/my_keyspace.my_column_family/select?q=name:foo
SELECT * FROM my_column_family WHERE solr_query='name:foo';
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Wide Rows<?xml version="1.0" encoding="UTF-8" ?>
<schema name="my_column_family" version="1.0">
<types> <fieldType name="string" class="solr.StrField"/> <fieldType name="date" class="solr.DateField"/> </types>
<fields> <field name="id" type="string" indexed="true" stored="true"/> <field name="name" type="string" indexed="true" stored="true"/> <field name="released_at" type="date" indexed="true" stored="true"/> <dynamicField name="wide_*" type="string" indexed="true" stored="true"/> </fields>
<uniqueKey>id</uniqueKey> <defaultSearchField>name</defaultSearchField></schema>
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Fuzzy Search<schema name="my_column_family" version="1.0">
<types> <fieldType name="string" class="solr.StrField"/> <fieldType name="ngram" class="solr.TextField" positionIncrementGap="100"> <analyzer type="index"> <tokenizer class="solr.KeywordTokenizerFactory"/> <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="1" catenateNumbers="1" catenateAll="1" preserveOriginal="1"/> <filter class="solr.NGramFilterFactory" minGramSize="2" maxGramSize="15"/> </analyzer> <analyzer type="query"> <tokenizer class="solr.WhitespaceTokenizerFactory"/> </analyzer> </fieldType> </types> <fields> <field name="id" type="string" indexed="true" stored="true" /> <field name="name" type="string" indexed="true" stored="true" /> <field name="name_fuzzy" type="ngram" indexed="true" stored="true" /> </fields> <copyField source="name" dest="name_fuzzy"/> <uniqueKey>id</uniqueKey> <defaultSearchField>name</defaultSearchField></schema>
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• Full-text indexing
• Trigrams
• Rich data formats (PDF, Word, HTML)
• Easy interop (REST,CSV, XML, JSON)
• Geo-spatial search
• Highlighting
• Auto-suggest
• Faceted search and filtering
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Storm
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Storm
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Increased performance by 700% while growing
data by 500%
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Reduced operational costs by 40%
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Deleted 15,000 lines of code
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