Hazelcast For Beginners (Paris JUG-1)

Emrah Kocaman

Software Engineer @ Hazelcastemrahkocaman

[email protected]

Martin Black

Regional Sales Director @ [email protected]

mailto:[email protected]

mailto:[email protected]?subject=

http://www.zenika.com/formation-hazelcast-essentials.html

30Th November - Free Training


Hazelcast For Beginners

What is Hazelcast?Hazelcast DemoHazelcast Data DistributionHazelcast FeaturesQ/A Session

Agenda

what is ?

“Hazelcast is In-Memory Data Grid (IMDG) Solution”

010011010101010

In Memory Data Computing

In Memory Data Messaging + + In Memory

Data Storage

an open-source project

an open-source projectleading open-source in-memory

data grid.Apache 2 Licensedead simple distributed programminglightweight w/o any dependencybuilt with in Istanbul

Hazelcast Inc.Hazelcast EnterpriseSupport ContractsTraining / ConsultingOffices in Istanbul & Ankara (Engineering) , Palo Alto(HQ+Sales) and London(Sales)

“Hazelcast is a java library to create distributed applications”

What are the main features of Distributed Applications?

• Scalability

What are the main features of Hazelcast?

• Scalability

• Speed

What are the main features of Hazelcast?

Reference : https://gist.github.com/hellerbarde/2843375

https://gist.github.com/hellerbarde/2843375

MemoryGetting cheaper and faster

Reference : http://www.statisticbrain.com/average-historic-price-of-ram/

• Scalability

• Speed

• Simplicity

What are the main features of Distributed Applications?

Hazelcast is simple!

IT’S DEMO TIME

<backup-count>1</backup-count>

max backup count is 6

Backups increase memory usage since they are also kept in memory.

Data Backup

DATA PARTITIONING

With 4 cluster nodes every server holds1/4 real data and 1/4 of backups

© 2015 Hazelcast Inc. Confidential & Proprietary

Rebalance Data on New Node

44


Distributed Maps

Fixed number of partitions (default 271)Each key falls into a partitionpartitionId = hash(keyData)%PARTITION_COUNTPartition ownerships are reassigned upon membership change

A B C


New Node Added

DA B C


Migration

DA B C


Migration

DA B C


Migration

DA B C


Migration

DA B C


Migration

DA B C


Migration

DA B C


Migration Complete

DA B C


Data Safety when Node Dies

54


Node Crashes

DA B C

Crash


Backups Are Restored

DA B C

Crash



DA B C

Crash



DA B C

Crash



DA B C

Crash



DA B C

Crash



DA B C

Crash



DA B C

Crash



DA B C

Crash


Recovery Is Complete

DA C

Client/Server Architecture

Embedded Architecture

Deployment Options

Great for early stages of rapid application development and iteration

Necessary for scale up or scale out deployments – decouples upgrading of clients and cluster for long term TCO

Embedded Hazelcast

Hazelcast Node 1

Applications

Java API

Client-Server Mode

Hazelcast Node 3

Java API

Applications

Java API

Applications

Java API

Applications

Hazelcast Node 2

Hazelcast Node 1

Hazelcast Node 2

Applications

Java API

Hazelcast Node 3

Applications

Java API

Deployment Options

Multicast (default)

TCP/IP

AWS

Networking Options

Hazelcast Features

Data Store Features Java Collection API: Map, List, Set, Queue

JCache

High Density Memory Store

Hibernate 2nd Level Cache

Web Session Replication: Tomcat, Jetty

Predicate API: Indexes, SQL Query

Persistence: Map/Queue Store & Loader. Write Behind/Through

Eviction

Near Cache

Transactions: Local & XA

WAN Replication

Memcached Interface

Distributed Computing Features

Java Concurrency API (Lock, Semaphore, AtomicLong, AtomicReference, Executor Service, Blocking Queue)

Entry and Item Listeners

Entry Processor

Aggregators

Map/Reduce

Data Affinity

Continues Query

Map Interceptors

Delta Update

Distributed Messaging Features

Queue

Topic (Pub/Sub)

Event Listeners

Ring Buffers

Spring Cache ManagerHibernate 2nd Level Cache ProviderWeb Session ReplicationOSGI Support

Hazelcast Integration Modules

Management Center (free up to 2 nodes)High-Density MemoryTomcat/Jetty Session ReplicationEnterprise WAN ReplicationSecurityNative Clients (.NET/C++)

Hazelcast Enterprise Features

Thank you ! :)

[email protected] questions ?

mailto:[email protected]?subject=


30Th November - Free Training


Date post:	12-Apr-2017
Category:	Software
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