Redis vs NCache - A detailed feture level comparison

NCache vs Redis
Detailed Feature Comparison
NCache 4.6 Enterprise Edition
Redis v3.2.3
NCache vs Redis Comparison 1www.alachisoft.com

CONTENTS
• The Scalability Problem and Solution
• Uses of a Distributed Cache
• Distributed Cache Deployment Diagram
• Side by Side Comparison of NCache and Redis
– Platform and Technology
– Architecture
– GUI Tools
– App Data Caching Features
– ASP.NET
– Run-time Data Sharing with Events
– Other areas
www.alachisoft.comNCache vs Redis Comparison 2

The Scalability Problem
Application Tier Scales Linearly
BUT
Data Storage is the Bottleneck
(Relational Databases, Mainframe Data, etc.)
NoSQL Database Not Always the Answer
(cannot always replace relational DB)

The Solution
In-Memory Distributed Cache (NCache)
(Makes other databases faster and scalable)
Use it with
Relational Databases
Legacy Mainframe Data
NoSQL Databases

Distributed Cache Deployment (NCache)

Common Uses of a Distributed Cache
1. App Data Caching
– Cache linearly scalable (database is not)
– Data exists in BOTH cache & database (permanent data)
2. ASP.NET Specific Caching
– ASP.NET Session State storage (single-site & multi-site)
– ASP.NET View State cache
– ASP.NET Output Cache provider
– Data exists ONLY in cache (transient data)
3. Runtime Data Sharing thru Events
– Event driven data sharing in pub/sub model
– Event notifications & Continuous Query
– Data exists ONLY in cache (transient data)

NCache is:
• The oldest .NET distributed cache in the market
• 100% native .NET integrated into the .NET stack
• Open Source under Apache 2.0 License
• Latest version, 4.6, is 12th
version
• Alachisoft is MS 2012 certified
• NCache has an AppFabric Wrapper
• Check out the following comparison to Redis

NCache vs Redis
Platform & Technology

NCache
•Open Source
– Apache 2.0 License
•Windows (100% .NET)
– Developed in C#
– Windows Server 2012 R2 Certified
•.NET Client (officially)
•Java Client (officially)
– Same socket protocol as .NET client
– Runs on Windows & Unix
NCache vs Redis
Platform & Technology
Redis
•Open Source
– BSD License
•Linux (Redis Labs)
•Windows (MS Open Tech)
– Open Source and unsupported
– Buggy and unstable
– Even Azure uses Linux version
•.NET & Java Clients (3rd
Party)
– Unsupported

NCache
•On-Premises (Windows)
– Perpetual License (own it)
– Annual maintenance (optional)
– 24x7 support (optional)
– Open Source is FREE. Use as is
NCache vs Redis
On-Premises Support
Redis
•On-Premises (Linux)
– By Redis Labs
– Annual subscription
– Open Source. Use as is.
•On-Premises (Windows)
– By MS Open Tech
– Buggy, unstable, & without support
– Even Azure uses Linux version

NCache (VM Model)
•Control Cache Server VMs
– Login and control/administer
•Run Server-side Code
– Read-thru, Write-thru, Write-behind
– Cache Loader, Custom Dependency
– MapReduce, Aggregator, Entry
Processor
•Azure, Amazon, and others
– Cloud licensing (hourly charges)
NCache vs Redis
Cloud Support
Redis (Service Model)
•No Access to Cache Server VMs
– Only client-side API access
•Azure (Microsoft)
– Azure uses Linux version of Redis
– Cloud licensing (hourly charges)
– No access to cache servers
– Cannot run server-side code
•Amazon & others (Redis Labs)
– Only Linux version

NCache vs Redis
Architecture

NCache
•Extremely fast & scalable
– Client/Server communication
•Client Cache (even faster)
•Bulk Operations
– Reduce trips to caching tier
– Works on the entire cache
•Fast Compact Serialization
– 10 times faster
•Compression
NCache vs Redis
Performance & Scalability
Redis
•Fast & scalable (Linux version)
– Windows version has issues
•Bulk Operations
– Works on one shard only
•Slow Serialization
– APP must convert all data to STRING

NCache: Client Cache (Near Cache)
 Local cache (close to your
app)
 InProc or OutProc
 Sync with cache cluster
 Auto sync
 Optimistic & pessimistic sync
 No code changes needed
 Automatically intercepts cache calls
 Use in read-intensive cases

NCache
•Dynamic Cache Cluster
– Add/remove nodes seamlessly
•Dynamic Configuration
– Apply to the entire cluster
•Cluster Health Events
– To automatically handle things
•Split Brain Detection
– No recovery provided yet
NCache vs Redis
High Availability (100% Uptime)
Redis
•Cluster Not Fully Dynamic
– Cannot auto add/remove Shard
– Cluster stops if Shard is down
•Dynamic Configuration (Partial)
– Manually apply to each server

NCache: High Availability (100% Uptime)
Dynamic Cache Cluster
 Peer to Peer Architecture
 No single point of failure
 No master/slave or majority rule
 Runtime Add/Remove Servers
 Without stopping anything
 Connection Failover Support
 Between clients & servers
 Within cache cluster
 Dynamic Configuration
 Config propagated at runtime

NCache
•Local Cache/Client Cache
•Mirrored Cache
•Replicated Cache
•Partitioned Cache
•Partition-Replica (Async/Sync)
– Sync: for really sensitive data
•Data Balancing (Partitioned)
– To automatically redistribute data
NCache vs Redis
Cache Topologies
Redis
•Local Cache (OutProc Only)
•Partitioned Cache
– Cannot auto-handle shard down
•Partition-Replica (Async only)
– Cannot auto-handle shard down
– Cannot handle sensitive data
– May lose data on replication

NCache: Caching Topologies
Partitioned Cache & Partition-Replica Cache

NCache
•2 Data Centers (Active/Passive)
– Async replication (queue based)
– Auto reconnect sockets
•2 Data Centers (Active/Active)
– Handle conflicts on “last update wins”
– Custom conflict resolution handler
NCache vs Redis
WAN Replication
Redis
•No Support

NCache: WAN Replication of Cache
Active-Passive
Active-Active

NCache vs Redis
GUI Tools
(Demo)

NCache
•NCache Manager (GUI)
•NCache Monitor (GUI)
•PerfMon Counters
•Windows Event Log
•Dump & Reload Cache
•Command Line Admin Tools
•Stress Test Tool
•Email Notifications
•Admin & Monitoring (API)
NCache vs Redis
Cache Administration & Monitoring
Redis
•Command Line Admin Tools
•Admin & Monitoring (API)

NCache Manager (GUI Tool)
@NCache www.alachisoft.com 23

NCache Monitor (GUI Tool)

NCache: Monitor thru PerfMon

NCache: Windows Event Log

NCache: Email Notifications on Events

NCache vs Redis
App Data Caching Features
(Data exists in BOTH cache & database)

NCache
•Expirations (Absolute + Sliding)
– Reload data with Read-thru
•Sync Cache with Database
– Sql Dependency, Oracle Dependency,
DB Dependency, CLR Procedures
•Sync Cache with Non-Relational
– File Dependency, Custom Dependency
•Handle Data Relationships
– Cache Dependency (key)
– One-to-one, one-to-many
NCache vs Redis
Keep Data Fresh
Redis
•Expirations

NCache
•SQL Searching
– Search on object attributes
•LINQ Searching
– From within .NET apps natively
•Search on Tags & Named Tags
NCache vs Redis
Cache Search (SQL)
Redis
•No Support

NCache
•Group/Subgroup
– Group data logically
– Fetch or operate on the group
•Tags
– Assign multiple “tags” to an item
•Named Tags
– Assign multiple “key-value” tags
NCache vs Redis
Data Grouping
Redis
•No Support

NCache
•Read-Through
– Auto reload items on expirations &
database synchronization
•Write-Through
– Cache writes to DB
•Write-Behind
– Async DB writes (queue based)
•Cache Loader
– Cache calls your code to load upon
startup
NCache vs Redis
Read-thru, Write-thru, Cache Loader
Redis
•No Support

NCache vs Redis
ASP.NET Specific Features

NCache
•ASP.NET Sessions (advanced)
– A lot of extra features
– Relate View State to sessions
•Multi-Site ASP.NET Sessions
– Sync across data centers
•ASP.NET View State
– Cache on server side
•ASP.NET Output Cache
NCache vs Redis
ASP.NET Support
Redis
•ASP.NET Sessions (basic)
•ASP.NET Output Cache

NCache vs Redis
Runtime Data Sharing with Events

NCache
•Item Level Events
•Cache Level Events
– For transport & storage
•Custom Events (Pub/Sub)
•Continuous Query
– Monitor SQL-based dataset in cache
NCache vs Redis
Runtime Data Sharing
Redis
•Item Level Events
•Cache Level Events
•Custom Events (Pub/Sub)

NCache: Runtime Data Sharing

NCache vs Redis
Other Areas

NCache
•NHibernate (official)
– Extra features thru config file
•Entity Framework Cache
– Custom ADO.NET Provider
NCache vs Redis
Third Party Integrations
Redis
•NHibernate (not official)

NCache
•Authentication (Active Directory)
– Supports AD & LDAP
– Very secure
•Data Encryption
NCache vs Redis
Security & Encryption
Redis
•Authentication (Text Based)
– Not secured like AD or LDAP

NCache
•Map Reduce (InProc)
– To process huge data in a distributed
cache cluster
•Aggregators
•Entry Processor
– To run custom code on cache cluster
NCache vs Redis
Big Data Processing
Redis
•No Support

Next Steps
• Download NCache 60-Day fully working Trial
– http://www.alachisoft.com/download-ncache.html
• Schedule Personalized Technical Consultation
– Discuss your applications, environment and features that will work for you
– Discuss Redis and NCache options in more depth
– Get details on your NCache configuration
• Contact us
– 1+ 925 236 3830
– Or email support@alachisoft.com
NCache Open Source & Professional are in cloud marketplaces:
Azure https://azure.microsoft.com/en-us/marketplace/partners/alachisoft/ncache-opensource/
Amazon Web Services https://aws.amazon.com/marketplace/pp/B00TKKWIV0 marketplaces

Redis vs NCache - A detailed feture level comparison

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