CCSF12-Intro-to-Couchbase-Server-2.0

Introduction to Couchbase Server 2.0

Dipti BorkarDirector, Product Management

Couchbase Server

NoSQL Database

Couchbase Server

Easy Scalabili

Consistent, High

Performance

Always On

24x7x365

Grow cluster without application changes, without downtime with a single click

Consistent sub-millisecond read and write response times with consistent high throughput

No downtime for software upgrades, hardware maintenance, etc.

Couchbase Server Features

Built-in clustering – All nodes equal

Data replication with auto-failover

Zero- downtime maintenance

Clone to grow and scale horizontally

Couchbase Server Features

Built-in managed cached

Monitoring and administration APIs and GUI

SDK for a variety of languages

Couchbase Server

NoSQL DatabaseNoSQL Document Database

Flexible Data Model

Schemaless data model allows painless data model changes for rapid application development

{ “ID”: 1, “FIRST”: “Dipti”, “LAST”: “Borkar”, “ZIP”: “94040”, “CITY”: “MV”, “STATE”: “CA”}

JSONJSON

JSON JSON

New in Two

JSON support Indexing and Querying

Cross data center replicationIncremental Map Reduce

Couchbase Server 2.0 Architecture

on each node

one per cluster

httpRE

HTTP8091

Erlang port mapper4369

Distributed Erlang21100 - 21199

Erlang/OTP

storage interface

Couchbase EP Engine

11210Memcapable 2.0

11211Memcapable 1.0

Memcached

New Persistence Layer

8092Query API

Data Manager Cluster Manager

Couchbase Server 2.0 Architecture

on each node

one per cluster

httpRE

HTTP8091

Erlang port mapper4369

Distributed Erlang21100 - 21199

Erlang/OTP

storage interface

Couchbase EP Engine

11210Memcapable 2.0

11211Memcapable 1.0

Memcached

New Persistence Layer

8092Query API

COUCHBASE OPERATIONS

Single node - Couchbase Write Operation2

Managed Cache

Replication Queue

App Server

Couchbase Server Node

Doc 1Doc 1

To other node

Single node - Couchbase Update Operation2

Managed Cache

Replication Queue

App Server

Doc 1’

Doc 1’Doc 1

Doc 1’

To other node

Single node - Couchbase Read Operation2

Replication Queue

App Server

Doc 1Doc 1

Managed Cache

To other node

COUCHBASE SERVER CLUSTER

Basic Operation

• Docs distributed evenly across servers

• Each server stores both active and replica docsOnly one server active at a time

• Client library provides app with simple interface to database

• Cluster map provides map to which server doc is onApp never needs to know

• App reads, writes, updates docs

• Multiple app servers can access same document at same time

User Configured Replica Count = 1

READ/WRITE/UPDATE

ACTIVE

SERVER 1

ACTIVE

SERVER 2

ACTIVE

REPLICA

SERVER 3

APP SERVER 1

COUCHBASE Client Library

CLUSTER MAP

APP SERVER 2

Add Nodes to Cluster

• Two servers addedOne-click operation

• Docs automatically rebalanced across clusterEven distribution of docsMinimum doc movement

• Cluster map updated

• App database calls now distributed over larger number of servers

REPLICA

ACTIVE

SERVER 1

REPLICA

ACTIVE

SERVER 2

REPLICA

ACTIVE

SERVER 3 SERVER 4 SERVER 5

REPLICA

ACTIVE

REPLICA

ACTIVE

Doc 8 Doc

Doc 9 Doc

Doc 2 Doc

Doc 8 Doc

Doc 5 Doc

READ/WRITE/UPDATE READ/WRITE/UPDATE

APP SERVER 1

CLUSTER MAP

APP SERVER 2

DEMO TIME

Indexing and Querying

ACTIVE

SERVER 1

REPLICA

APP SERVER 1

CLUSTER MAP

APP SERVER 2

• Indexing work is distributed amongst nodes

• Large data set possible

• Parallelize the effort

• Each node has index for data stored on it

• Queries combine the results from required nodes

ACTIVE

SERVER 2

REPLICA

ACTIVE

SERVER 3

REPLICA

Cross Data Center Replication (XDCR)

COUCHBASE SERVER CLUSTERNY DATA CENTER

ACTIVE

SERVER 1

SERVER 2 SERVER 3

Doc Doc Doc

ACTIVE

Doc RAM

ACTIVE

DocRAM

Doc Doc Doc

COUCHBASE SERVER CLUSTERSF DATA CENTER

ACTIVE

SERVER 1

SERVER 2 SERVER 3

Doc Doc Doc

ACTIVE

Doc RAM

ACTIVE

DocRAM

Doc Doc Doc

Couchbase SDKs

Java SDK

.Net SDK

PHP SDK

Ruby SDK

…and many more

Java client API

User Code

Couchbase Server

CouchbaseClient cb = new CouchbaseClient(listURIs,"aBucket", "letmein");

cb.set("hello", 0, "world");cb.get("hello");

http://www.couchbase.com/develop

Couchbase Java Library (spymemcached)

DEMO TIME

Demo: The next big social game

3 Objects (documents) within game:• Players•Monsters• Items

Gameplay:• Players fight monsters•Monsters drop items• Players own items

Player Document

{"jsonType": "player","uuid": "35767d02-a958-4b83-8179-616816692de1","name": "Keith4540","hitpoints": 75,"experience": 663,"level": 4,"loggedIn": false

Player ID

Item Document

{"jsonType": "item","name": "Katana_e5890c94-11c6-65746ce6c560","uuid": "e5890c94-11c6-4856-a7a6-65746ce6c560","ownerId": "Dale9887"

Item ID

Player ID

Monster Document

{"jsonType": "monster","name": "Bauchan9932","uuid": "d10dfc1b-0412-4140-b4ec-affdbf2aa5ec","hitpoints": 370,"experienceWhenKilled": 52,"itemProbability": 0.5050581341872865

Monster ID

GAME ON!

Linear Scaling: Couchbase + Cisco + Solarflare

Linear throughput scalability

High throughput with 1.4 GB/sec data transfer rate

using 4 servers

2.0 Betais Here.

JSON Documents Indexing Querying

Cross Data Center Replication

THANK YOU!

Get Couchbase Server 2.0 at http://www.couchbase.com/download

dipti@couchbase.com@dborkar

QUESTIONS?

CCSF12-Intro-to-Couchbase-Server-2.0

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