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NCacheNCacheFast & Scalable .NET AppsFast & Scalable .NET Apps

in Server Farmsin Server Farms

Distributed .NET Data CacheDistributed .NET Data Cache

Distributed ASP.NET SessionsDistributed ASP.NET Sessions

IqbalIqbal [email protected]@alachisoft.com Ph: +1 (925) 236Ph: +1 (925) 236--21252125

Alachisoft.NET Performance Solutions

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NCache 3.8 2www.alachisoft.com

Alachisoft Company HistoryAlachisoft Company History

1.1. Founded in California in 1996Founded in California in 1996 Experts in enterprise applications in Java, C++, and .NETExperts in enterprise applications in Java, C++, and .NET

2.2. Became Alachisoft in 2003 (product company)Became Alachisoft in 2003 (product company)

Impressive growth from profitable and revenueImpressive growth from profitable and revenue--funded modelfunded model

3.3. Headquarters: San Francisco Bay AreaHeadquarters: San Francisco Bay Area 2410 Camino Ramon, Suite 175, San Ramon, CA 945832410 Camino Ramon, Suite 175, San Ramon, CA 94583

4.

4. NCache launched in July

2005NCache launched in July

2005

Current version: 3.8 (8Current version: 3.8 (8thth version)version)

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Supporting Our CustomersSupporting Our Customers

1.1. Annual Maintenance & SupportAnnual Maintenance & Support Free upgrades for 1 yearFree upgrades for 1 year

Email & telephone based supportEmail & telephone based support

2.2. 24x7 Support24x7 Support Email & telephone based supportEmail & telephone based support

3.3. Professional ServicesProfessional Services Cache IntegrationCache Integration: into yourexisting apps: into yourexisting apps

Caching API TrainingCaching API Training: for your developers: for your developers

Cache Configuration TrainingCache Configuration Training: for your IT staff: for your IT staff

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Main Benefits of NCacheMain Benefits of NCache

1.1. Higher Application Performance & ScalabilityHigher Application Performance & Scalability Performance:Performance: Extremely fast in-memory cache

Scalability:Scalability:

Reducepressure on databaseReducepressure on database

Linearly scale out cache clusterLinearly scale out cache cluster

2.2. Reliable & Scalable ASP.NET Session StorageReliable & Scalable ASP.NET Session Storage Session replicated forreliabilitySession replicated forreliability

Fast & scalable session storage

3.3. Runtime Data Sharing for Server AppsRuntime Data Sharing for Server Apps Asynchronous data sharing in producer/consumer modelAsynchronous data sharing in producer/consumer model

Powerful event notification for app coordinationPowerful event notification for app coordination

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Main Uses of NCacheMain Uses of NCache

1.1. Enterprise Distributed Data CacheEnterprise Distributed Data Cache Performance & ScalabilityPerformance & Scalability: Reduceexpensive db trips: Reduceexpensive db trips

ReliabilityReliability: Dynamic clustering & replication: Dynamic clustering & replication ASP.NET apps, web services, distributed apps, grid computing appsASP.NET apps, web services, distributed apps, grid computing apps

2.2. Distributed ASP.NET Sessions for Web FarmsDistributed ASP.NET Sessions for Web Farms Faster and more scalableFaster and more scalable session storagesession storage

ReliabilityReliability: 100% uptime. Sessions replicated.: 100% uptime. Sessions replicated.

Easy adoptionEasy adoption:: No code changerequired to useNo code changerequired to use


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Enterprise Distributed Data CacheEnterprise Distributed Data Cache


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High Availability (100% Uptime)High Availability (100% Uptime)Dynamic Cache ClusterDynamic Cache Cluster

TCP based Cache ClusterTCP based Cache Cluster

Does not use Windows ClusteringDoes not use Windows Clustering

Peer to peer architecturePeer to peer architecture

No singlepoint of failureNo singlepoint of failure

Add/remove servers at runtimeAdd/remove servers at runtime

Without stopping cache or your appWithout stopping cache or your app

Data adjusted automatically basedData adjusted automatically basedon caching topologyon caching topology

Hot ApplyHot Apply configconfig changeschanges

ChangeChange configconfig properties whileproperties whilecache is runningcache is running


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Caching TopologiesCaching TopologiesMirrored Cache (2Mirrored Cache (2--node active/passive)node active/passive)

All clients connect to active nodeAll clients connect to active node

Passive node becomes active ifPassive node becomes active if

active node goes down. Clientsactive node goes down. Clientsalso automatically connect to italso automatically connect to it

Mirroring to passive node doneMirroring to passive node doneasynchronouslyasynchronously

Recommended use:Recommended use: Up to 10 app serversUp to 10 app servers

2 cache server cluster2 cache server cluster


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Caching TopologiesCaching TopologiesReplicated CacheReplicated Cache

Entire cache copied to all serversEntire cache copied to all servers

Each update done to all serversEach update done to all servers

Clients connectevenly to allClients connectevenly to allservers. All servers active.servers. All servers active.

Good forreadGood forread--intensive scenariosintensive scenarios


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Caching TopologiesCaching TopologiesPartitioned CachePartitioned Cache

Extremely scalableExtremely scalable

Location transparencyLocation transparency

Good for larger clustersGood for larger clusters

Distribution map sent to all clientsDistribution map sent to all clients

No replication availableNo replication available


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Caching TopologiesCaching TopologiesPartitionedPartitioned--Replica CacheReplica Cache

Each partition has onereplicaEach partition has onereplica

AsyncAsync & Sync replication& Sync replication

Location transparency.Location transparency.

Extremely scalableExtremely scalable

Reliability due to replicationReliability due to replication


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Caching TopologiesCaching TopologiesClient CacheClient Cache

Clustered cache on separate tierClustered cache on separate tier

Client has local client cacheClient has local client cache

Client cacheClient cache InProcInProc oror OutProcOutProc

Client cache automaticallyClient cache automaticallysynchronized with clustered cachesynchronized with clustered cache

Gives further boost to client appsGives further boost to client apps

Good forreadGood forread--intensive appsintensive apps


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Caching TopologiesCaching TopologiesPerformance Data (2Performance Data (2--node cluster)node cluster)

0

10000

20000

30000

40000

50000

60000

Mirrored Replicated Partition-Replica

Reads/sec (1 kb)

Writes/sec (1 kb)

Mirrored CacheMirrored Cache

30,000 reads/sec30,000 reads/sec

25,000 writes/sec25,000 writes/sec

Replicated CacheReplicated Cache 60,000 reads/sec60,000 reads/sec

2500 writes/sec2500 writes/sec

PartitionPartition--Replica CacheReplica Cache

60,000 reads/sec60,000 reads/sec

44,000 writes/sec44,000 writes/sec


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Caching TopologiesCaching TopologiesBridge Topology (for WAN replication)Bridge Topology (for WAN replication)


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PowefulPoweful Cache AdministrationCache Administration


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Powerful Cache MonitoringPowerful Cache Monitoring


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Important FeaturesImportant Features

Max cache sizeMax cache size To control memory consumption. Evicts item when cachereaches Max SizeTo control memory consumption. Evicts item when cachereaches Max Size

Eviction policiesEviction policies LRU, LFU, Priority, and Do NotEvictLRU, LFU, Priority, and Do NotEvict

Cache security (authenticate + authorize)Cache security (authenticate + authorize) Authenticate with Active Directory. Authorize as Admin or UserAuthenticate with Active Directory. Authorize as Admin or User

CompressionCompression Specify compression threshold. UsesSpecify compression threshold. Uses GZipGZip on clienton client--side.side.

Server Configuration OptionsServer Configuration Options Rejoin a cache cluster upon rebootRejoin a cache cluster upon reboot

Multiple NIC support (one for client/server & one for cluster)Multiple NIC support (one for client/server & one for cluster)


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NCache ASP.NET 2.0 Session State ProviderNCache ASP.NET 2.0 Session State Provider


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Object Caching API is SimpleObject Caching API is Simple

Initialize & Dispose the CacheInitialize & Dispose the Cache CacheCachecache =cache = NCacheNCache.InitializeCache(.InitializeCache(myReplicatedCachemyReplicatedCache););

cache.Disposecache.Dispose();();

Read from the CacheRead from the Cache objectobjectobj = cache.Get(obj = cache.Get(myKeymyKey););

objectobjectobjobj = cache[= cache[myKeymyKey];]; boolbool isPresentisPresent == cache.Containscache.Contains((myKeymyKey););

Add to the CacheAdd to the Cache cache.Addcache.Add((myKeymyKey,, objobj););

cache.Insertcache.Insert((myKeymyKey,, objobj););

cache[cache[myKeymyKey] =] = objobj;;

Remove from the CacheRemove from the Cache objectobjectobjobj == cache.Removecache.Remove((myKeymyKey););

ClearClear cache.Clearcache.Clear();();


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Important Object Caching FeaturesImportant Object Caching Features

ExpirationsExpirations AbsoluteAbsolute--time + idletime + idle--timetime

AutoAuto--reload data on expiration (ifreadreload data on expiration (ifread--thru enabled)thru enabled)

Cache dependenciesCache dependencies Key, file, and custom dependenciesKey, file, and custom dependencies

Synchronize cache with databaseSynchronize cache with database .NETevent notifications (.NETevent notifications (SqlDependencySqlDependency) for SQL Server 2005 & Oracle 10g R2) for SQL Server 2005 & Oracle 10g R2

Polling based for all OLEDB compliant databasesPolling based for all OLEDB compliant databases

ReadRead--through and writethrough and write--throughthrough You implementreadYou implementread--thru and writethru and write--thru handlers called by NCachethru handlers called by NCache

Write has writeWrite has write--behind option that queues up database updatesbehind option that queues up database updates


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Event notifications (cluster wide)Event notifications (cluster wide) Register interest in specific cached items to be notified at insert/removeRegister interest in specific cached items to be notified at insert/remove

Register interest to be notified at ALL add/insert/remove (off by default)Register interest to be notified at ALL add/insert/remove (off by default)

Send custom notifications to other NCache clients (cluster wide)Send custom notifications to other NCache clients (cluster wide)

Tagging & Searching CacheTagging & Searching Cache Object Query Language for searching on object attributesObject Query Language for searching on object attributes

Tagging for arbitrary grouping and searching of cached objectsTagging for arbitrary grouping and searching of cached objects

Pessimistic & Optimistic LockingPessimistic & Optimistic Locking

Lock/Unlock forpessimistic locking (writerLock/Unlock forpessimistic locking (writer--lock)lock) Object versioning for optimistic locking (readerObject versioning for optimistic locking (reader--lock)lock)

Bulk operationsBulk operations Get, Add, Insert, RemoveGet, Add, Insert, Remove


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Compact serializationCompact serialization Mix with regular .NET serialization. Faster and more compact.Mix with regular .NET serialization. Faster and more compact.

Caching Application Block (CAB) integrationCaching Application Block (CAB) integration NCacheNCache implements a cache manager for CABimplements a cache manager for CAB

No code changerequired to integrate (onlyNo code changerequired to integrate (only configconfig file changes)file changes)

NHibernateNHibernate integrationintegration Cacheprovider forCacheprovider for NHibernateNHibernate implementedimplemented

No code changerequired to integrate (onlyNo code changerequired to integrate (only configconfig file changes)file changes)

Java clientJava client No JavaNo Java--toto--.NET interoperability used. Native NCache socketprotocol..NET interoperability used. Native NCache socketprotocol. Event notifications availableEvent notifications available Object Query Language availableObject Query Language available


ncache 3.8

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