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#SQSummit
@enriquecatala
Escalabilidad horizontal y arquitecturas
elásticas en Microsoft Azure
Mentor
MVP – MCT – MCSE
Enrique Catalá Bañuls
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Agenda
3
1. ¿Qué podemos usar?
2. AlwaysON
3. Arquitecturas elásticas
4. Caching
5. Autoescalado VMs
6. Rendimiento CPU
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La informática en la nube definidaPosiciónamiento
4
Cloud computing as four deloyment models, three service models and five
main features
features
Public Cloud
Hybrid Cloud
Private Cloud
Community Cloud
IaaSInfrastructure as a Service
PaaSPlatform as a Service
SaaSPlatform as a Service
On-demandSelf Service
Broad Network Access
ResourcePooling
Rapid Elasticity
MeasuredService
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Modelos de Servicio
5
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Soluciones híbridas
6
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Tecnologias soportadas
7
Tecnología SQL
Server
Cero
pérdida de
datos
Ámbito Nº secundarios Failover
automático
Leer de
secundarios
Availability
Groups
2012+ Si* DB(s) 4 -> 2012
8 -> 2014
Yes
(w/ additional
cluster
member)**
Si
Database
Mirroring
2008 R2
2012
Si* DB 1 Yes
(w/ Witness)**
Limited
(database
snapshots)
Log
Shipping
2005+ No DB Ilimitadas No Limited
(standby
state)
Replicacion 2008+ No Articulos ***Ilimitadas No Si
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Tamaños de VM
8
Cores Memoria Temp
Ancho
de
banda
Discos
de
datos
IOPs
total
SQL
Standard
Coste/ hora
ExtraSmall 1 - Shared 768 MB 20 GB 5 1 500 €0,015/h
Small 1 1.75 GB 70 GB 100 2 1000 €0,068/h
Medium 2 3.5 GB 135 GB 200 4 2000 €0,135/h
Large 4 7 GB 285 GB 400 8 4000 €0,269/h
ExtraLarge 8 14 GB 605 GB 800 16 8000 €0,537/h
A5 2 14GB 605 GB 200 4 2000€0,298/h
A6 4 28 GB 285 GB 1,000 8 4000 €0,596/h
A7 8 56 GB 605 GB 2,000 16 8000 €1,192/h
A88
2.6 Ghz56 Gb
1600 Mhz382 Gb 1,000
40,000**16 8000 €1,183/h
A916
2.6 Ghz112 Gb1600 Mhz
382 Gb 1,00040,000**
16 8000 €3,65/h
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Bajada de precio en SQL VMsSQL Standard (a fecha de 12-05-2014)
9
2013 2014 (basic) 2014 (standard)
ExtraSmall €0.425/hr €0,014/hr €0,015/hr
Small €0.477/hr €0,056/hr €0,068/hr
Medium €0.544/hr €0,111/hr €0,135/hr
Large €0.678/hr €0,221/hr €0,269/hr
ExtraLarge €1.356/hr €0,441/hr €0,537/hr
A6 €1.17/hr €0,596/hr €0,596/hr
A7 €2.339/hr €1,192/hr €1,192/hr
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Agenda
10
1. ¿Qué podemos usar?
2. AlwaysON
3. Arquitecturas elásticas
4. Caching
5. Autoescalado VMs
6. Rendimiento CPU
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Diagrama arquitecturaAlwaysOn SQL Server 2012+
11
Windows Cluster
Availability Group
On-Premises
SecondaryPrimary
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Diagrama arquitectura
12
Windows Cluster
Availability Group
On-Premises
Secondary
Cloud
SecondaryPrimary
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Diagrama arquitectura
13
Windows Cluster Windows Cluster
Availability Group Availability Group
Primary Secondary
On-Premises (NY) On-Premises (NJ)
Secondary
Cloud
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Diagrama arquitectura
14
Windows Cluster
Availability Group
Cloud On-Premises
SecondarySecondaryPrimary
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AlwaysOn
15
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DEMO
16
Elasticidad con AlwaysOn híbrido
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Agenda
41
1. ¿Qué podemos usar?
2. AlwaysON
3. Arquitecturas elásticas
4. Caching
5. Autoescalado VMs
6. Rendimiento CPU
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Diagrama arquitecturaElasticidad
42
DBreplica1
Replica1 Replica2 Replica n
DBreplica2 DBreplica3
Azure Republicador(opcional)
Transactional replication
SYNC
WANSQL1 (onpremise)
ON PREMISE Azure
Nodos secundarios replicación
Capa de base de datos, suscriptores (5s-15s delay)
SQL Standard Edition
Nodo publicador Instancia OnPremise que
contiene los datos maestros a replicar mediante replicación transaccional
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DEMO
43
Configurar entorno
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Grupo de afinidad
44
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Network Service
45
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Infraestructura
46
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Dominio Active Directory
47
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Añadir el rol de Active Directory
48
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Añadir DNS
49
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Añadir republicador
50
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DEMO
51
Elasticidad flexible
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• Las VM no pueden ser basic*
• Usa VPN o encripta tu conexión
• Automatiza los despliegues con sysprep y
scripts
Conceptos clave
52
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Agenda
53
1. ¿Qué podemos usar?
2. AlwaysON
3. Arquitecturas elásticas
4. Caching
5. Autoescalado VMs
6. Rendimiento CPU
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IaaS y VMs
54
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Windows Azure Caching concepts
Microsoft Azure Cache is a family of distributed, in-memory, scalable solutions that enable you to build highly scalable and responsive applications by providing super-fast access to your data.
Microsoft Azure Cache is available in the following flavors.
– Azure Redis Cache (Preview)
– Managed Cache Service
– In-Role Cache
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Managed Cache Service
Azure Managed Cache Service is based on the AppFabric Cache engine.
It also gives you access to a secure, dedicated cache that is managed by Microsoft.
A cache created using the Managed Cache Service is also accessible from applications within Azure running on Azure Web Sites, Web & Worker Roles and Virtual Machines. For more information
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Using Managed Cache
// Cache client configured by settings in application// configuration file.DataCacheFactoryConfiguration config =
new DataCacheFactoryConfiguration("default"); DataCacheFactory cacheFactory = new DataCacheFactory(config); DataCache defaultCache = cacheFactory.GetDefaultCache();
// Put and retrieve a test object from the default cache.defaultCache.Put("testkey", "testobject"); string strObject = (string)defaultCache.Get("testkey");
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In-Role CachingBased on the AppFabric Cache engine.
Allows you to perform caching by using a dedicated web or worker role instance in an application deployed to Microsoft Azure Cloud Services.
This provides flexibility in terms of deployment options and size but you manage the cache yourself.
//add string object to cache with key "Key0"myCache.Add("Key0", "object added with Key0");
//add or replace string object in cache using key "Key0"myCache.Put("Key0", "object replaced or added using Key0");
//remove object in cache using key "Key0"myCache.Remove("Key0");
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Use Cloud Caching: the Right
Reasons
Speed of access to data
Azure SQL database
Azure storage
Remote storage and services
Avoiding hitting rate limits
Up to 5,000 entities/messages/blobs per second per account
Up to 500 messages per second from a single queue
Up to 500 entities per second from a single table partition
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Using Caching in your applications
Stores session state in shared memory
Required for Web Farms
Faster than SQL
Simple configuration change to your web app
Enables session state to be cached across a cluster
Uses cache-aside, not RT+WB (session is Activity Data)
TIP: Use HA to reduce the chances of sessions state loss
Example: ASP.NET App Session state provider
60
<sessionState mode="Custom" customProvider="SessionStoreProvider"><providers>
<add name="SessionStoreProvider“type="Microsoft.ApplicationServer.Caching.DataCacheSessionStoreProvider,
Microsoft.ApplicationServer.Caching.Client, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35“
cacheName=“MyCache"/></providers>
</sessionState>
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Azure Redis Cache (PREVIEW)
Microsoft Azure Redis Cache (Preview) is based on the popular open source Redis Cache. It gives you access to a secure, dedicated Redis cache, managed by Microsoft. A cache created using Azure Redis Cache is accessible from any application within Microsoft Azure.
Azure Redis Cache (Preview) is available in the following two tiers.
– Basic – single node, multiple sizes.
– Standard – Two node Master/Slave, multiple sizes. Once the preview period is over, the standard tier offering will have a 99.9% SLA.
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Azure Redis Cache
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Azure Redis Cache (use)using StackExchange.Redis;
ConnectionMultiplexer connection =
ConnectionMultiplexer.Connect("contoso5.redis.cache.
windows.net,ssl=true,password=...");
// connection referes to a previously configured
//ConnectionMultiplexer
IDatabase cache = connection.GetDatabase();
ConnectionMultiplexer connection =
ConnectionMultiplexer.Connect(
"contoso5.redis.cache.windows.net...");
IDatabase cache = connection.GetDatabase();
// Perform cache operations using the cache object...
// Simple put of integral data types into the cache
cache.StringSet("key1", "value");
cache.StringSet("key2", 25);
// Simple get of data types from the cache
string key1 = cache.StringGet("key1");
int key2 = (int)cache.StringGet("key2");
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DEMO
64
Caching
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Agenda
65
1. ¿Qué podemos usar?
2. AlwaysON
3. Arquitecturas elásticas
4. Caching
5. Autoescalado VMs
6. Rendimiento CPU
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DEMO
66
Autoscale VM
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Autoscale VMDos nodos, 1 parado
67
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Autoscale VMMáquina1
68
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Autoscale VMLog de operaciones
69
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Autoscale VMDetectado evento…aprovisionando
70
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Autoscale VMAprovisionando
71
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Autoscale VMAparece en el log
72
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Autoscale VMLog del evento
73
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Agenda
74
1. ¿Qué podemos usar?
2. AlwaysON
3. Arquitecturas elásticas
4. Caching
5. Autoescalado VMs
6. Rendimiento CPU
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Rendimiento CPUBenchmark simple
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MáquinaPuntuación single-
thread
Puntuación multi-
threadDescripción
Portatil Enrique Catalá 1911 4826 Intel i7 1.73Ghz
Entorno Web Role (A3) 1068 3729 AMD Opteron 4171 2.1Ghz
Entorno VM A3 (4cores) 1066 3635 AMD Opteron 4171 2.1Ghz
Entorno VM A4 (8cores) 1072 6617 AMD Opteron 4171 2.1Ghz
Entorno VM A7 (AMD) 1077 5622 AMD Opteron 4171 2.1Ghz
Entorno VM A7 (Intel) 1115 6680 Intel Xeon E5-2660 2.2Ghz
Entorno A9 2460 10580 Intel Xeon E5-2670 2.6Ghz
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Rendimiento CPU
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Azure
OnPremise
Azure
OnPremise
Azure
OnPremise
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Rendimiento CPUTambién a nivel SQL
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Solución IaaS real (eLearning)
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AS_DCAD
AS_Cluster_SQL_AO
AS_FE_MOOD
AS_FE_LAMSAG
80
80
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Arquitecturas elásticas en SQL
• De serie con AlwaysOn
• “sin límite” con replicación
Elasticidad flexible
• Web y worker roles
• VMS
Caché
ConclusiónAzure mola…pero úsalo para lo que necesitas
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¿Preguntas?
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¡Gracias!
Siéntate a comer con nosotros o tómate un café y aclara tus
dudas
@enriquecatala
Mentor – MVP SQL Server
Enrique Catala Bañuls
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