Submit Search
Upload
Cassandra Basics: Indexing
•
Download as KEY, PDF
•
44 likes
•
22,821 views
Benjamin Black
Follow
An introduction to indexing with supercolumns and range queries in Cassandra.
Read less
Read more
Technology
Education
Business
Report
Share
Report
Share
1 of 48
Download now
Recommended
DBI
DBI
Lambert Lum
Exemple de création de base
Exemple de création de base
Saber LAJILI
SetFocus Portfolio
SetFocus Portfolio
donjoshu
Growing jQuery
Growing jQuery
gueste8d8bc
Cassandra Explained
Cassandra Explained
Eric Evans
[Infographie] Comment ameliorer la qualité de vos données pour votre DMP mark...
[Infographie] Comment ameliorer la qualité de vos données pour votre DMP mark...
Camp de Bases (Webedia Data Services)
Typesafe & William Hill: Cassandra, Spark, and Kafka - The New Streaming Data...
Typesafe & William Hill: Cassandra, Spark, and Kafka - The New Streaming Data...
DataStax Academy
Cassandra Day SV 2014: Basic Operations with Apache Cassandra
Cassandra Day SV 2014: Basic Operations with Apache Cassandra
DataStax Academy
Recommended
DBI
DBI
Lambert Lum
Exemple de création de base
Exemple de création de base
Saber LAJILI
SetFocus Portfolio
SetFocus Portfolio
donjoshu
Growing jQuery
Growing jQuery
gueste8d8bc
Cassandra Explained
Cassandra Explained
Eric Evans
[Infographie] Comment ameliorer la qualité de vos données pour votre DMP mark...
[Infographie] Comment ameliorer la qualité de vos données pour votre DMP mark...
Camp de Bases (Webedia Data Services)
Typesafe & William Hill: Cassandra, Spark, and Kafka - The New Streaming Data...
Typesafe & William Hill: Cassandra, Spark, and Kafka - The New Streaming Data...
DataStax Academy
Cassandra Day SV 2014: Basic Operations with Apache Cassandra
Cassandra Day SV 2014: Basic Operations with Apache Cassandra
DataStax Academy
Cassandra
Cassandra
오석 한
Graphite cluster setup blueprint
Graphite cluster setup blueprint
Anatoliy Dobrosynets
Understanding BYOE and How Today's User Experience Drives Value for UC
Understanding BYOE and How Today's User Experience Drives Value for UC
ShoreTel
The Big 3 - 3 Keys to the Customer Kingdom - Business process, Big data, and ...
The Big 3 - 3 Keys to the Customer Kingdom - Business process, Big data, and ...
aliproductninja
What is a DMP
What is a DMP
Sarah Jones
Highly Available Graphite
Highly Available Graphite
Matthew Barlocker
Cassandra Basics, Counters and Time Series Modeling
Cassandra Basics, Counters and Time Series Modeling
Vassilis Bekiaris
Cassandra and Spark
Cassandra and Spark
datastaxjp
data science toolkit 101: set up Python, Spark, & Jupyter
data science toolkit 101: set up Python, Spark, & Jupyter
Raj Singh
Introduction to Apache Spark
Introduction to Apache Spark
Juan Pedro Moreno
Presentation of Apache Cassandra
Presentation of Apache Cassandra
Nikiforos Botis
Introduction to Cassandra - Denver
Introduction to Cassandra - Denver
Jon Haddad
Developers summit cassandraで見るNoSQL
Developers summit cassandraで見るNoSQL
Ryu Kobayashi
Intro to py spark (and cassandra)
Intro to py spark (and cassandra)
Jon Haddad
The Nitty Gritty of Advanced Analytics Using Apache Spark in Python
The Nitty Gritty of Advanced Analytics Using Apache Spark in Python
Miklos Christine
Python & Cassandra - Best Friends
Python & Cassandra - Best Friends
Jon Haddad
Diagnosing Problems in Production: Cassandra Summit 2014
Diagnosing Problems in Production: Cassandra Summit 2014
Jon Haddad
Intro to Cassandra
Intro to Cassandra
Jon Haddad
The Cassandra Distributed Database
The Cassandra Distributed Database
Eric Evans
PySpark Cassandra - Amsterdam Spark Meetup
PySpark Cassandra - Amsterdam Spark Meetup
Frens Jan Rumph
Building Your First Java Application with MongoDB
Building Your First Java Application with MongoDB
MongoDB
Elasticsearch for SQL Users
Elasticsearch for SQL Users
All Things Open
More Related Content
Viewers also liked
Cassandra
Cassandra
오석 한
Graphite cluster setup blueprint
Graphite cluster setup blueprint
Anatoliy Dobrosynets
Understanding BYOE and How Today's User Experience Drives Value for UC
Understanding BYOE and How Today's User Experience Drives Value for UC
ShoreTel
The Big 3 - 3 Keys to the Customer Kingdom - Business process, Big data, and ...
The Big 3 - 3 Keys to the Customer Kingdom - Business process, Big data, and ...
aliproductninja
What is a DMP
What is a DMP
Sarah Jones
Highly Available Graphite
Highly Available Graphite
Matthew Barlocker
Cassandra Basics, Counters and Time Series Modeling
Cassandra Basics, Counters and Time Series Modeling
Vassilis Bekiaris
Cassandra and Spark
Cassandra and Spark
datastaxjp
data science toolkit 101: set up Python, Spark, & Jupyter
data science toolkit 101: set up Python, Spark, & Jupyter
Raj Singh
Introduction to Apache Spark
Introduction to Apache Spark
Juan Pedro Moreno
Presentation of Apache Cassandra
Presentation of Apache Cassandra
Nikiforos Botis
Introduction to Cassandra - Denver
Introduction to Cassandra - Denver
Jon Haddad
Developers summit cassandraで見るNoSQL
Developers summit cassandraで見るNoSQL
Ryu Kobayashi
Intro to py spark (and cassandra)
Intro to py spark (and cassandra)
Jon Haddad
The Nitty Gritty of Advanced Analytics Using Apache Spark in Python
The Nitty Gritty of Advanced Analytics Using Apache Spark in Python
Miklos Christine
Python & Cassandra - Best Friends
Python & Cassandra - Best Friends
Jon Haddad
Diagnosing Problems in Production: Cassandra Summit 2014
Diagnosing Problems in Production: Cassandra Summit 2014
Jon Haddad
Intro to Cassandra
Intro to Cassandra
Jon Haddad
The Cassandra Distributed Database
The Cassandra Distributed Database
Eric Evans
PySpark Cassandra - Amsterdam Spark Meetup
PySpark Cassandra - Amsterdam Spark Meetup
Frens Jan Rumph
Viewers also liked
(20)
Cassandra
Cassandra
Graphite cluster setup blueprint
Graphite cluster setup blueprint
Understanding BYOE and How Today's User Experience Drives Value for UC
Understanding BYOE and How Today's User Experience Drives Value for UC
The Big 3 - 3 Keys to the Customer Kingdom - Business process, Big data, and ...
The Big 3 - 3 Keys to the Customer Kingdom - Business process, Big data, and ...
What is a DMP
What is a DMP
Highly Available Graphite
Highly Available Graphite
Cassandra Basics, Counters and Time Series Modeling
Cassandra Basics, Counters and Time Series Modeling
Cassandra and Spark
Cassandra and Spark
data science toolkit 101: set up Python, Spark, & Jupyter
data science toolkit 101: set up Python, Spark, & Jupyter
Introduction to Apache Spark
Introduction to Apache Spark
Presentation of Apache Cassandra
Presentation of Apache Cassandra
Introduction to Cassandra - Denver
Introduction to Cassandra - Denver
Developers summit cassandraで見るNoSQL
Developers summit cassandraで見るNoSQL
Intro to py spark (and cassandra)
Intro to py spark (and cassandra)
The Nitty Gritty of Advanced Analytics Using Apache Spark in Python
The Nitty Gritty of Advanced Analytics Using Apache Spark in Python
Python & Cassandra - Best Friends
Python & Cassandra - Best Friends
Diagnosing Problems in Production: Cassandra Summit 2014
Diagnosing Problems in Production: Cassandra Summit 2014
Intro to Cassandra
Intro to Cassandra
The Cassandra Distributed Database
The Cassandra Distributed Database
PySpark Cassandra - Amsterdam Spark Meetup
PySpark Cassandra - Amsterdam Spark Meetup
Similar to Cassandra Basics: Indexing
Building Your First Java Application with MongoDB
Building Your First Java Application with MongoDB
MongoDB
Elasticsearch for SQL Users
Elasticsearch for SQL Users
All Things Open
MongoDB - Features and Operations
MongoDB - Features and Operations
ramyaranjith
Json at work overview and ecosystem-v2.0
Json at work overview and ecosystem-v2.0
Boulder Java User's Group
Elasticsearch for SQL Users
Elasticsearch for SQL Users
Great Wide Open
Embedding a language into string interpolator
Embedding a language into string interpolator
Michael Limansky
Native json in the Cache' ObjectScript 2016.*
Native json in the Cache' ObjectScript 2016.*
Timur Safin
The Aggregation Framework
The Aggregation Framework
MongoDB
MongoDB .local Bengaluru 2019: Aggregation Pipeline Power++: How MongoDB 4.2 ...
MongoDB .local Bengaluru 2019: Aggregation Pipeline Power++: How MongoDB 4.2 ...
MongoDB
MongoDB .local San Francisco 2020: Aggregation Pipeline Power++
MongoDB .local San Francisco 2020: Aggregation Pipeline Power++
MongoDB
Similar to Cassandra Basics: Indexing
(10)
Building Your First Java Application with MongoDB
Building Your First Java Application with MongoDB
Elasticsearch for SQL Users
Elasticsearch for SQL Users
MongoDB - Features and Operations
MongoDB - Features and Operations
Json at work overview and ecosystem-v2.0
Json at work overview and ecosystem-v2.0
Elasticsearch for SQL Users
Elasticsearch for SQL Users
Embedding a language into string interpolator
Embedding a language into string interpolator
Native json in the Cache' ObjectScript 2016.*
Native json in the Cache' ObjectScript 2016.*
The Aggregation Framework
The Aggregation Framework
MongoDB .local Bengaluru 2019: Aggregation Pipeline Power++: How MongoDB 4.2 ...
MongoDB .local Bengaluru 2019: Aggregation Pipeline Power++: How MongoDB 4.2 ...
MongoDB .local San Francisco 2020: Aggregation Pipeline Power++
MongoDB .local San Francisco 2020: Aggregation Pipeline Power++
Recently uploaded
2024: Domino Containers - The Next Step. News from the Domino Container commu...
2024: Domino Containers - The Next Step. News from the Domino Container commu...
Martijn de Jong
Axa Assurance Maroc - Insurer Innovation Award 2024
Axa Assurance Maroc - Insurer Innovation Award 2024
The Digital Insurer
ICT role in 21st century education and its challenges
ICT role in 21st century education and its challenges
rafiqahmad00786416
Powerful Google developer tools for immediate impact! (2023-24 C)
Powerful Google developer tools for immediate impact! (2023-24 C)
wesley chun
Polkadot JAM Slides - Token2049 - By Dr. Gavin Wood
Polkadot JAM Slides - Token2049 - By Dr. Gavin Wood
Juan lago vázquez
EMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWER
EMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWER
MadyBayot
MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024
MIND CTI
MS Copilot expands with MS Graph connectors
MS Copilot expands with MS Graph connectors
Nanddeep Nachan
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc
Exploring the Future Potential of AI-Enabled Smartphone Processors
Exploring the Future Potential of AI-Enabled Smartphone Processors
debabhi2
Apidays New York 2024 - The value of a flexible API Management solution for O...
Apidays New York 2024 - The value of a flexible API Management solution for O...
apidays
Why Teams call analytics are critical to your entire business
Why Teams call analytics are critical to your entire business
panagenda
"I see eyes in my soup": How Delivery Hero implemented the safety system for ...
"I see eyes in my soup": How Delivery Hero implemented the safety system for ...
Zilliz
Apidays Singapore 2024 - Scalable LLM APIs for AI and Generative AI Applicati...
Apidays Singapore 2024 - Scalable LLM APIs for AI and Generative AI Applicati...
apidays
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Safe Software
Apidays Singapore 2024 - Modernizing Securities Finance by Madhu Subbu
Apidays Singapore 2024 - Modernizing Securities Finance by Madhu Subbu
apidays
Emergent Methods: Multi-lingual narrative tracking in the news - real-time ex...
Emergent Methods: Multi-lingual narrative tracking in the news - real-time ex...
Zilliz
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
DianaGray10
Manulife - Insurer Transformation Award 2024
Manulife - Insurer Transformation Award 2024
The Digital Insurer
Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving
Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving
Edi Saputra
Recently uploaded
(20)
2024: Domino Containers - The Next Step. News from the Domino Container commu...
2024: Domino Containers - The Next Step. News from the Domino Container commu...
Axa Assurance Maroc - Insurer Innovation Award 2024
Axa Assurance Maroc - Insurer Innovation Award 2024
ICT role in 21st century education and its challenges
ICT role in 21st century education and its challenges
Powerful Google developer tools for immediate impact! (2023-24 C)
Powerful Google developer tools for immediate impact! (2023-24 C)
Polkadot JAM Slides - Token2049 - By Dr. Gavin Wood
Polkadot JAM Slides - Token2049 - By Dr. Gavin Wood
EMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWER
EMPOWERMENT TECHNOLOGY GRADE 11 QUARTER 2 REVIEWER
MINDCTI Revenue Release Quarter One 2024
MINDCTI Revenue Release Quarter One 2024
MS Copilot expands with MS Graph connectors
MS Copilot expands with MS Graph connectors
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
TrustArc Webinar - Unlock the Power of AI-Driven Data Discovery
Exploring the Future Potential of AI-Enabled Smartphone Processors
Exploring the Future Potential of AI-Enabled Smartphone Processors
Apidays New York 2024 - The value of a flexible API Management solution for O...
Apidays New York 2024 - The value of a flexible API Management solution for O...
Why Teams call analytics are critical to your entire business
Why Teams call analytics are critical to your entire business
"I see eyes in my soup": How Delivery Hero implemented the safety system for ...
"I see eyes in my soup": How Delivery Hero implemented the safety system for ...
Apidays Singapore 2024 - Scalable LLM APIs for AI and Generative AI Applicati...
Apidays Singapore 2024 - Scalable LLM APIs for AI and Generative AI Applicati...
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Cloud Frontiers: A Deep Dive into Serverless Spatial Data and FME
Apidays Singapore 2024 - Modernizing Securities Finance by Madhu Subbu
Apidays Singapore 2024 - Modernizing Securities Finance by Madhu Subbu
Emergent Methods: Multi-lingual narrative tracking in the news - real-time ex...
Emergent Methods: Multi-lingual narrative tracking in the news - real-time ex...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Connector Corner: Accelerate revenue generation using UiPath API-centric busi...
Manulife - Insurer Transformation Award 2024
Manulife - Insurer Transformation Award 2024
Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving
Repurposing LNG terminals for Hydrogen Ammonia: Feasibility and Cost Saving
Cassandra Basics: Indexing
1.
Cassandra Basics
Indexing Benjamin Black, b@b3k.us
2.
Relational stores are SCHEMA
ORIENTED
3.
Start from your
SCHEMA & WORK FORWARDS
4.
Column stores are QUERY
ORIENTED
5.
Start from your
QUERIES & WORK BACKWARDS
6.
AT SCALE
7.
AT SCALE
Denormalization is THE NORM
8.
AT SCALE
9.
AT SCALE
Everything depends on THE INDICES
10.
Cassandra is an INDEX
CONSTRUCTION KIT
11.
Column Family
12.
Two-level Map key: {
column: value, column: value, ... }
13.
Super Column Family
14.
Three-level Map key: {
supercolumn: { column:value, column: value }, supercolumn: { ... } }
15.
column sorting defined
by CompareWith/ CompareSubcolumnsWith
16.
TimeUUIDType UTF8Type
ASCIIType LongType LexicalUUIDType
17.
row placement determined
by Partitioner
18.
RandomPartitioner Place based on
MD5 of key OrderPreservingPartitioner Place based on actual key
19.
Rows are sorted
by key on each node Regardless of partitioner
20.
One example in TWO
ACTS
21.
Prelude A USER DATABASE
22.
<ColumnFamily Name=”Users”
CompareWith=”UTF8Type” />
23.
“b”:
{“name”:”Ben”, “street”:”1234 Oak St.”, “city”:”Seattle”, “state”:”WA”} “jason”: {”name”:”Jason”, “street”:”456 First Ave.”, “city”:”Bellingham”, “state”:”WA”} “zack”: {”name”: “Zack”, “street”: “4321 Pine St.”, “city”: “Seattle”, “state”: “WA”} “jen1982”: {”name”:”Jennifer”, “street”:”1120 Foo Lane”, “city”:”San Francisco”, “state”:”CA”} “albert”: {”name”:”Albert”, “street”:”2364 South St.”, “city”:”Boston”, “state”:”MA”}
24.
SELECT name FROM
Users WHERE state=”WA”
25.
SELECT name FROM
Users WHERE state=”WA” How is WHERE clause formed?
26.
Act One Supercolumn Indexing
27.
<ColumnFamily Name=”LocationUserIndexSCF”
CompareWith=”UTF8Type” CompareSubcolumnsWith=”UTF8Type” ColumnType=”Super” />
28.
[state]: {
[city1]: {[name1]:[user1], [name2]:[user2], ... }, [city2]: {[name3]:[user3], [name4]:[user4], ... }, ... [cityX]: {[name5]:[user5], [name6]:[user6], ... } }
29.
“CA”: { “San
Francisco”: {”Jennifer”: “jen1982”} } “MA”: { “Boston”: {”Albert”: “albert”} } “WA”: { “Bellingham”: {”Jason”: “jason”}, “Seattle”: {”Ben”: “b”, ”Zack”: “zack”} }
30.
Row Key “CA”: {
“San Francisco”: {”Jennifer”: “jen1982”} } “MA”: { “Boston”: {”Albert”: “albert”} } “WA”: { “Bellingham”: {”Jason”: “jason”}, “Seattle”: {”Ben”: “b”, ”Zack”: “zack”} }
31.
Row Key
Super Column “CA”: { “San Francisco”: {”Jennifer”: “jen1982”} } “MA”: { “Boston”: {”Albert”: “albert”} } “WA”: { “Bellingham”: {”Jason”: “jason”}, “Seattle”: {”Ben”: “b”, ”Zack”: “zack”} }
32.
Row Key
Colum Super Column n “CA”: { “San Francisco”: {”Jennifer”: “jen1982”} } “MA”: { “Boston”: {”Albert”: “albert”} } “WA”: { “Bellingham”: {”Jason”: “jason”}, “Seattle”: {”Ben”: “b”, ”Zack”: “zack”} }
33.
Row Key
Colum Super Column Value n “CA”: { “San Francisco”: {”Jennifer”: “jen1982”} } “MA”: { “Boston”: {”Albert”: “albert”} } “WA”: { “Bellingham”: {”Jason”: “jason”}, “Seattle”: {”Ben”: “b”, ”Zack”: “zack”} }
34.
Show me EVERYONE IN
WASHINGTON
35.
get(:LocationUserIndexSCF, ‘WA’)
36.
{
“Bellingham”: {”Jason”: “jason”}, “Seattle”: {”Ben”: “b”, ”Zack”: “zack”} }
37.
Act Two Composite Key
Indexing
38.
Order Preserving Partitioner
+ Range Queries
39.
<ColumnFamily Name=”LocationUserIndexCF”
CompareWith=”UTF8Type” />
40.
[state1]/[city1]:
{[name1]:[user1], [name2]:[user2], ... } [state1]/[city2]: {[name3]:[user3], [name4]:[user4], ... } [state2]/[city1]: {[name5]:[user5], [name6]:[user6], ... } ... [stateX]/[cityY]: {[name7]:[user7], [name8]:[user8], ... }
41.
“CA/San Francisco”: {”Jennifer”:
“jen1982”} “MA/Boston”: {”Albert”: “albert”} “WA/Bellingham”: {”Jason”: “jason”} “WA/Seattle”: {”Ben”: “b”, “Zack”: “zack”}
42.
Show me EVERYONE IN
WASHINGTON
43.
get_range(:LocationUserIndexCF, {:start: 'WA',
:finish:'WB'})
44.
{
”WA/Bellingham”: {”Jason”: “jason”}, “WA/Seattle”: {”Ben”: “b”, “Zack”: “zack”} }
45.
Finale BUILD SOMETHING AWESOME
46.
(This part is
up to you)
47.
Appendix EXAMPLE KEYSPACE
48.
<Keyspace Name="UserDb">
<ColumnFamily Name="Users" CompareWith="UTF8Type" /> <ColumnFamily Name="LocationUserIndexSCF" CompareWith="UTF8Type" CompareSubcolumnsWith="UTF8Type" ColumnType="Super" /> <ColumnFamily Name="LocationUserIndexCF" CompareWith="UTF8Type" /> <ReplicaPlacementStrategy> org.apache.cassandra.locator.RackUnawareStrategy </ReplicaPlacementStrategy> <ReplicationFactor>1</ReplicationFactor> <EndPointSnitch>org.apache.cassandra.locator.EndPointSnitch</EndPointSnitch> </Keyspace>
Editor's Notes
Download now