Data storage services in the cloud Matt Milner Pluralsight

Matt Milner Presenter –MVP Connected Systems –Connected Systems Advisor Trainer for Pluralsight – –BizTalk, WCF, Workflow, AppFabric, Azure

This talk Windows Azure Windows Azure – Compute / Management SQL Azure Azure AppFabric Azure storage

Agenda Unstructured data Structured data Cloud storage

Data storage “at scale” –Internet scale and availability Commoditized hardware / networking –Reduced storage cost –Pay as you go

Structured data Relational data –SQL Azure Entity data –Table storage

SQL Azure Relational database as a service –Create logical databases –Infrastructure handles physical distribution Extremely fault tolerant –Data replicated to multiple physical computers –Physical node recovery

SQL Azure TDS, TSQL ADO.NET, etc. TDS, TSQL ADO.NET, etc.

Table storage – entity data PartitionRowKeyName CategoryLocation Product001Green teaDrinks York Tables are for storing entities with properties –Single table can store multiple entity types Entities are sets of Key / Typed Value pairs Key = Partition key & Row key –Row key must be unique within partition –Indexes only created on these keys

Unstructured data Large permanent storage –Images, videos, audio, documents –Azure Blob storage Small temporary storage –Messages / Commands –Azure Queues

Blob concepts Root ContainerNamed containerBlob Named containerBlob Blob name Blob name

Block vs. page blobs Block blobs Data written in blocks Associate all blocks to blob 200 GB size limit Page blobs 512 byte page size Read / write specific ranges 1 TB size limit

Queue

Summary Native SQL relational capabilities HTTP accessible table, queue, blob stores Variety of cloud storage options

Resources Software Application Developers Infrastructure Professionals

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