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Enhance your Curriculum Vitae with the right NoSQL database skills Akmal B. Chaudhri (艾克摩 曹理)

Enhance your Curriculum Vitae with the right NoSQL ...Enhance your Curriculum Vitae with the right NoSQL database skills Akmal B. Chaudhri (艾克摩曹理) · 2016-8-10

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Page 1: Enhance your Curriculum Vitae with the right NoSQL ...Enhance your Curriculum Vitae with the right NoSQL database skills Akmal B. Chaudhri (艾克摩曹理) · 2016-8-10

Enhance your Curriculum

Vitae with the right NoSQL

database skills

Akmal B. Chaudhri

(艾克摩曹理)

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Introduction

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My background

• ~25 years experience in IT– Developer (Reuters)

– Academic (City University)

– Consultant (Logica)

– Technical Architect (CA)

– Senior Architect (Informix)

– Senior IT Specialist (IBM)

– TI (Hortonworks)

• Worked with various technologies– Programming languages

– IDE

– Database Systems

• Client-facing roles– Developers

– Senior executives

– Journalists

• Broad industry experience

• Community outreach

• University relations

• 10 books, many presentations

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Your path leads to NoSQL?

Source: Shutterstock Image ID 159183185

SQL

SQL

SQL

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Gartner hype curve

NoSQL

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Magic quadrant ...

Source: Gartner (October 2013)

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Magic quadrant

Source: Gartner (October 2013)

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Innovation adoption lifecycle

Source: http://en.wikipedia.org/wiki/Technology_adoption_lifecycle

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Crossing the chasm

Chasm

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20 years ago

0

200

400

600

800

1000

1200

1400

1600

1800

1996 1997 1998 1999 2000

US$

Mill

ion

OO Databases Predicted Growth

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0

100

200

300

400

500

600

700

800

1999 2000 2001 2002 2003 2004

US$

Mill

ion

XML Databases Predicted Growth

10 years ago

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Today

0

200

400

600

800

1000

1200

2012 2013 2014 2015 2016

US$

Mill

ion

NoSQL Databases Predicted Growth

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The way developers really think

OO

XML

NoSQL

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OO vs. Relational

Source: Inspired by comments from Esther Dyson during the 1990s

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XML vs. Relational

Source: Inspired by https://webspace.utexas.edu/curtispe/NatConf/tam2005.html

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NoSQL vs. Relational

Source: Inspired by http://www.slideshare.net/mongodb/webinar-the-opex-business-plan-for-nosql/ andhttp://www.slideshare.net/lj101197/couchbase-overview033113long/

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But ...

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NoSQL is developer-friendly

Other Stakeholders

Developers

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But ...

Riak ... We’re talking about nearly a year

of learning.[1]

Things I wish I knew about MongoDB a

year ago[2]

I am learning Cassandra. It is not easy.[3]

[1] http://productionscale.com/blog/2011/11/20/building-an-application-upon-riak-part-1.html[2] http://snmaynard.com/2012/10/17/things-i-wish-i-knew-about-mongodb-a-year-ago/[3] http://planetcassandra.org/blog/post/datastax-java-driver-for-apache-cassandra

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And ...

... it takes 1-3 years to get an enterprise

application onto a new data platform like

Cassandra ... Cassandra requires a

complete re-thinking of the data model

which many find challenging.

-- Shanti Subramanyam

Source: http://www.orzota.com/cassandra-summit-2013/

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NoSQL hoopla and hype

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Source: Inspired by “The Next Big Thing 2012” The Wall Street Journal (27 September 2012)

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Source: Inspired by “MongoDB: Second Round” Thomas Jaspers (8 November 2012)

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Source: Inspired by “Why MongoDB is Awesome” John Nunemaker (15 May 2010) and“Why Neo4J is awesome in 5 slides” Florent Biville (29 October 2012)

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Sexy NoSQL model (for ladies)

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Sexy NoSQL model (for gents)

Page 34: Enhance your Curriculum Vitae with the right NoSQL ...Enhance your Curriculum Vitae with the right NoSQL database skills Akmal B. Chaudhri (艾克摩曹理) · 2016-8-10

Source: Inspired by “Saturday Night Live” Season 1 Episode 9 (1976)

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Source: Inspired by the movie “Airplane!” (1980)

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Market analysis

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Database market size

0

30

0

5

10

15

20

25

30

35

NoSQL Relational

US$

Bill

ion

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NoSQL market size ...

• Private companies do

not publish results

• Venture Capital (VC)

funding 10s/100s of

millions of US $[1]

• NoSQL software

revenue was US $20

million in 2011[2]

[1] http://blogs.the451group.com/information_management/2011/11/15/[2] http://blogs.the451group.com/information_management/2012/05/

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NoSQL Vendor Revenue 2012

Source: http://wikibon.org/wiki/v/Big_Data_Vendor_Revenue_and_Market_Forecast_2012-2017

0 10 20 30 40

Neo Technologies

Aerospike

Couchbase

Basho

DataStax

10gen

US$ Million

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Source: http://twitpic.com/dzbq8b/

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NoSQL job trends ...

Source: http://regulargeek.com/2013/08/29/nosql-job-trends-august-2013/ (December 2013)

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NoSQL job trends

Source: http://regulargeek.com/2013/08/29/nosql-job-trends-august-2013/ (December 2013)

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IT industry’s most valuable skills

Skill $

1. R 115,531

2. NoSQL 114,796

3. MapReduce 114,396

4. PMBook 112,382

5. Cassandra 112,382

6. Omnigraffle 111,039

7. Pig 109,561

8. SOA 108,997

9. Hadoop 108,669

10. MongoDB 107,825

Source: Dice Tech Salary Survey (29 January 2014)

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NoSQL jobs in the UK (perm)

• Database and

Business Intelligence

– MongoDB (1192)

– Cassandra (432)

– Redis (368)

– Hive (258)

– HBase (147)

– CouchDB (133)

– Riak (117)

– RavenDB (81)

Source: http://www.itjobswatch.co.uk/jobs/uk/nosql.do (28 April 2014)

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NoSQL jobs in the UK (contract)

• Database and

Business Intelligence

– MongoDB (357)

– Cassandra (157)

– CouchDB (55)

– Redis (54)

– Hive (46)

– HBase (44)

– Couchbase (42)

– Riak (29)

Source: http://www.itjobswatch.co.uk/jobs/uk/nosql.do (28 April 2014)

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NoSQL LinkedIn skills index ...

Source: 451 Research

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NoSQL LinkedIn skills index

Source: 451 Research

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NoSQL vs. the world ...

Source: After http://www.kchodorow.com/blog/2011/05/05/nosql-vs-the-world/ (October 2013)

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NoSQL vs. the world ...

Source: After http://www.kchodorow.com/blog/2011/05/05/nosql-vs-the-world/ (October 2013)

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NoSQL vs. the world

Source: After http://www.kchodorow.com/blog/2011/05/05/nosql-vs-the-world/ (October 2013)

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DB-Engines ranking ...

Source: http://db-engines.com/en/ranking/ (April 2014)

91%

9%

Top 8 Relational

Top 8 NoSQL

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DB-Engines ranking ...

32%

27%

25%

5%4%

3%

2%2%

Top 8 Relational

Oracle

MySQL

MS SQL Server

PostgreSQL

DB2

MS Access

SQLite

Sybase

Source: http://db-engines.com/en/ranking/ (April 2014)

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DB-Engines ranking

47%

17%

13%

8%

5%5% 3% 2%

Top 8 NoSQL

MongoDB

Cassandra

Redis

HBase

CouchDB

Neo4j

Couchbase

Riak

Source: http://db-engines.com/en/ranking/ (April 2014)

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But ...

DB-Engines.com ... a popularity rating based on web mentions/searches and installation numbers are not the same thing ...

Source: “Operationalizing the Buzz: Big Data 2013” EMA Research Report (November 2013)

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NoSQL in enterprise apps

Source: “Cloud Software: Where Next?” InformationWeek (August 2013)

65%

27%

8%Not likely toconsider

Actively /potentiallyconsidering

Currently using

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Use of NoSQL products

Source: “State of Database Technology 2013” InformationWeek (April 2013)

51%41%

4%4%

Never heard ofthem / no interest

Investigating

In pilot

In production

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NoSQL in use

62%19%

15%

4%

No current /planned use

Planned use

Used on a limitedbasis

Used extensively

Source: “2014 Analytics, BI, and Information Management Survey” InformationWeek (November 2013)

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Eye on NoSQL

Source: “2014 Analytics, BI, and Information Management Survey” InformationWeek (November 2013)

0 10 20 30 40 50 60

Lower s/w, deployment cost

Lower h/w, storage cost

High-scale web, mobile apps

Fast, flexible dev

Easier management

Variable data, models

NoSQL not priority

%

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Databases in use

0 20 40 60 80

Neo4j

Riak

Couchbase

HBase

DynamoDB

Cassandra

MongoDB

FileMaker

PostgreSQL

DB2

MySQL

Oracle

MS Access

MS SQL Server

%

Source: “2014 State of Database Technology” InformationWeek (March 2014)

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Databases used for most critical

functions

0 10 20 30 40 50 60

MongoDB

Teradata

SAP Sybase ASE

PostgreSQL

MS Access

DB2

MySQL

Oracle

MS SQL Server

%

Source: “2014 State of Database Technology” InformationWeek (March 2014)

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NoSQL, NewSQL, or non-relational

data store technology adoption

0 10 20 30 40 50

RavenDB

Castle

VoltDB

MemSQL

DynamoDB

Redis

DataStax

BerkleyDB

SimpleDB

CouchDB/Couchbase

HBase

Cassandra

SQLFire

MongoDB

%

Source: “2014 Data Connectivity Outlook” Progress Software (November 2013)

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Hosting example ...

Source: Jelastic

57%18%

13%

12%

Database market share, March 2014

MySQL

MariaDB

PostgreSQL

MongoDB

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Hosting example

Source: Jelastic

010203040506070

Ap

ril

May

Jun

e

July

Au

gust

Sep

tem

ber

Oct

ob

er

No

vem

be

r

Dec

emb

er

Jan

uar

y

Feb

ruar

y

Mar

ch

Database market share by time period, Apr 2013 - Mar 2014

MySQL

MariaDB

PostgreSQL

MongoDB

CouchDB

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Polyglot

persistence

Source: Heroku, used with permission

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Polyglot persistence

User Sessions Financial Data Shopping Cart Recommendations

Product Catalog Reporting Analytics User Activity Logs

Source: Adapted from http://martinfowler.com/bliki/PolyglotPersistence.html

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Polyglot persistence examples

• Disney– Cassandra, Hadoop, MongoDB

• Interactive Mediums– CouchDB, MySQL

• Mendeley– HBase, MongoDB, Solr, Voldemort

• Netflix– Cassandra, Hadoop/HBase, RDBMS, SimpleDB

• Twitter– Cassandra, FlockDB, Hadoop/HBase, MySQL

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Polyglot persistence

• NoSQL product specialization requires

developer knowledge and skills for each

platform

• Different APIs

– Develop public API for each NoSQL store (Disney)

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Public API for NoSQL store

In some cases, the team decided to hide the platform’s complexity from users; not to facilitate its use, but to keep loose-cannon developers from doing something crazy that could take down the whole cluster. It could show them all the controls and knobs in a NoSQL database, but “they tend to shoot each other,” Jacob said. “First they shoot themselves, then they shoot each other.”

Source: “How Disney built a big data platform on a startup budget” Derrick Harris (2012)

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Source: 451 Research, used with permission

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NewSQL

• Today, new challenges and requirements

– “Web changes everything”

• Need more OLTP throughput

• Need real-time analytics

• ACID support

• Preserve SQL

– Automatic query optimization

• Preserve investment

– Existing skills and tools

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Relational

• Vendors adding

NoSQL capabilities

– Documents (JSON)

– Linked data (RDF)

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Summary

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Relational does NoSQL

Often the overhead of managing data in

multiple databases is more than the

advantages of the other store being faster.

You can do “NoSQL” inside and around a

hackable database like PostgreSQL, not

just as a separate one.

-- Hannu Krosing

Source: http://2013.nosql-matters.org/cgn/abstracts/#abstract_hannu_krosing/

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Relational vs. NoSQL toolbox

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Relational vs. NoSQL ...

It is specious to compare NoSQL

databases to relational databases; as

you’ll see, none of the so-called “NoSQL”

databases have the same implementation,

goals, features, advantages, and

disadvantages. So comparing “NoSQL” to

“relational” is really a shell game.

-- Eben Hewitt

Source: “Cassandra: The Definitive Guide” Eben Hewitt (2010)

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Understand your use case

Source: http://www.techvalidate.com/tvid/F66-11B-178/

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Future directions

• Internal polyglot support

• Multi-model systems

• Google F1-inspired systems

– “Can you have a scalable database without going

NoSQL? Yes.”

• Further support for NoSQL in Relational

• DBaaS

• Orchestrate.io

– “The Next Big Thing”?

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