AWS TechWorkshop DynamoDB / Customer Presentation: Infopark AG

AWS TechWorkshop DynamoDB Customer Presentation: Infopark AG Berlin, 2012-03-07

Thomas Witt@thomas_witt http://twitter.com/thomas_witt

Great Websites run Infopark Web-Sites for large-scale companies Founded 1994 in Berlin CMS and CRM in the cloud

How we made it to the cloud … History

System Architecture Elastic Load Balancer AZ 3 AZ 1 AZ 2 EC2 App Server EC2 App Server EC2 App Server MySQL DB Master MySQL Master- Master

SQL databases are not built for the cloud. Bottleneck Doesn‘t scale Single point of failure Adding new Replicas Consistent backups Recovery times after crashes

Database (Choose wisely)

Comparision Availability: Each client can always Relational read and write Key-value A Column-oriented/Tabular Document-oriented DynamoDB RDBMS Cassandra (MySQL, SimpleDB Oracle, …) CouchDB Riak Pick Two C Consistency: Allclients always get MongoDB, Redis, P Partition Tolerance: System works despite Bigtable the same data network splits Kudos to http://blog.nahurst.com/visual-guide-to-nosql-systems

NoSQL - So many choices … MongoDB Riak CouchDB BigCouch Redis Cassandra… remember that you haveto run all of these on EBS :-(

MongoDBAdvantages Auto-Sharding Good performance Dynamic query interfaceDisadvantages Global Write-Lock No automatic rebalancing, Master-Slave-Replication w/ Auto Failover

RedisAdvantages Performance (in-memory) TransactionsDisadvantages Only Master-Slave- Replication Limited by memory

CassandraAdvantages Automatic Replication and Rebalancing (N,R,W) Secondary IndicesDisadvantages Writes are faster than reads Bad scaling for 2nd indexes Super-complex to handle

RiakAdvantages Automatic Replication and Rebalancing (N,R,W) Secondary Indices Large Blobs Map/ReduceDisadvantages InnoDB Backend, slow writes

CouchDBAdvantages Bidirectional replication Crash Only-Design Changes Feed Views via JS Map ReduceDisadvantages Serialized Writes Sharding/Rebalancing only with BigCouch

Our HistoryWe started with BigcouchSwitched to CouchDBConsidered Riak… and now went toDynamoDB

They are all very … Management- Intense

“Any system that you pick will require 24-7 operational support. If it is not hosted (e.g. by AWS), be prepared to hire a ﬂeet of ops folks to support it yourself. If you don’t have the manpower, I recommend AWS DynamoDB. – Siddharth Anand, LinkedInhttp://highscalability.com/blog/2012/1/24/the-state-of-nosql-in-2012.html

System Architecture today Elastic Load Balancer AZ 3 AZ 1 AZ 2 Scalarium EC2 App Server EC2 App Server EC2 App Server S3 Assets ElasticSearch ElasticSearch ElasticSearch DynamoDB

Advantages of DynamoDB Advantages Zero Administration Blazing fast, thanks to SSD Scalability with one parameter Fair Pricing Conclusion Were switching to DynamoDB as soon as its available in the EU region

Whats missing so far? Secondary indices Changes Feed Out-of-the-box-Backup Batch PUT/DELETE

Thats a wrap! Thank you! Thomas Witt Director Product & Business Development thomas.witt@infopark.de +49-151-140690-23 Twitter: @thomas_witt Infopark AG • Kitzingstraße 15 • D-12277 Berlin • www.infopark.de • info@infopark.de

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AWS TechWorkshop DynamoDB / Customer Presentation: Infopark AG

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