Cloud Computing with Drupal
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![Page 1: Cloud Computing with Drupal](https://reader033.fdocuments.in/reader033/viewer/2022051817/548da2c8b4795927058b485d/html5/thumbnails/1.jpg)
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What’s a cloud?
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Platform as a Service
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Infrastructure as a Service
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Why a Cloud?
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Running on the Cloud
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Cloud servers are ephemeral
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When they go away, so does your data
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You need to plan to fail
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You need to keep your data safe
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Backup and Restore
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Store it on S3 with Fuse & S3fs
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Store it on S3 with PersistentFS
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Store it on S3 with ElasticDrive
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Elastic Block Store
• 1GB - 1TB persistent storage
• High Performance• Snapshot to S3 for
backup• $0.15/GB storage,
$0.10 per million I/O
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Can only mount to a single instance
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Amazon has different instance types
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Bandwidth
• Network and disk usage is shared• Larger instance type provide more I/O• Based on our experience, a small instance has
1/3 to 1/2 the bandwidth of an XL
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How can you offer high availability?
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Similar to HA on hardware
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If you have a single server...
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when it dies, so does your site
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So you need two of everything
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You need enough to cover your traffic, plus one extra
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Otherwise if it fails
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On clouds this is easy
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You need a heartbeat
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Databases are special
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Masters and slaves and replication
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And where do you keep your /files?
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Andwhathappenswhenyouhitthis?
Youneedtobuycapacityforthislevel
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Andwhathappenswhenyouhitthis?
Youneedtobuycapacityforthislevel
Eventhoughmostofyourtrafficislikethis
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Andwhathappenswhenyouhitthis?
Andwhathappenswhenyouhitthis?
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World’s shortest sales pitch:
Oh, yeah. We offer it too.
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Adam KalseyVP of [email protected]://workhabit.com/