Scaling Heterogeneous Systems on the Cloud
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This document discusses scaling heterogeneous systems on the cloud. It notes that complex systems will not be homogeneous, with different subsystems scaling in different ways. It emphasizes that high availability is critical and that scaling can be done vertically by upgrading hardware or horizontally by adding more nodes. The document provides advice on choosing scale-friendly systems like key-value stores as well as caveats about properly estimating cluster size and non-linear scalability.
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Scaling Heterogeneous Systems on the Cloud
- 1. Scaling heterogeneous systems on the cloud John D. Rowell jd@escalari.com @jdrowell http://www.flickr.com/photos/klearchos/4632744945 Thursday, March 24, 2011
- 2. Works fine on my machine http://www.flickr.com/photos/klearchos/4632744945 Thursday, March 24, 2011
- 3. Yeah but does it scale? Thursday, March 24, 2011
- 4. What to scale Storage capacity Processing power Concurrency Availability http://www.flickr.com/photos/kwl/3219157599 Thursday, March 24, 2011
- 5. Any complex system won't be homogeneous Web servers Databases Caches Queues Workers http://www.flickr.com/photos/core-materials/3838557749 Thursday, March 24, 2011
- 6. Different subsystems scale differently Master / Slave Client sharding Map / Reduce Workers http://www.flickr.com/photos/licassuncao/2500282164 Thursday, March 24, 2011
- 7. No failure is not an option Monitoring Auto respawn Live spares http://www.flickr.com/photos/bfishadow/5197774708 Thursday, March 24, 2011
- 8. No sysadm? No problem! Full featured APIs Thresholds Remote monitoring Cloud monitoring http://www.flickr.com/photos/deltamike/3536991945 Thursday, March 24, 2011
- 9. Scaling Vertically Stop and Go Stick to 32 or 64bits Rolling upgrade http://www.flickr.com/photos/doctorvee/3766965528 Thursday, March 24, 2011
- 10. Scaling Horizontally Network latency Bandwidth use Security http://www.flickr.com/photos/thefangmonster/ Thursday, March 24, 2011 4024861156
- 11. Where's the node? Cluster is dynamic No broadcast or multicast Use the API Luke http://www.flickr.com/photos/silvery/2414538926 Thursday, March 24, 2011
- 12. Make all nodes equal Dynamo Memcached ZeroConf http://www.flickr.com/photos/jurvetson/3327872958 Thursday, March 24, 2011
- 13. Scale-friendly systems Web servers Riak memcached ElasticSearch http://www.flickr.com/photos/xiaming/50391986 Thursday, March 24, 2011
- 14. Scale semi-friendly systems MongoDB MySQL PostgreSQL http://www.flickr.com/photos/fenng/5489161388 Thursday, March 24, 2011
- 15. Scale un-friendly systems Redis* Queues Stream consumers http://www.flickr.com/photos/addedentry/631590447 Thursday, March 24, 2011
- 16. One AMI to rule them all /opt is your friend data on EBS cloud-init http://www.flickr.com/photos/thecaucas/3573910044 Thursday, March 24, 2011
- 17. There is no spoon Leverage your services Key/value =~ scoreboard Queue =~ Job list Thursday, March 24, 2011
- 18. There is no spoon Leverage your services Key/value =~ scoreboard Queue =~ Job list Thursday, March 24, 2011
- 19. Caveats Estimate cluster size Non-linear scalability http://www.flickr.com/photos/justin_glass/3793492335 Thursday, March 24, 2011
- 20. Thank you! John D. Rowell jd@escalari.com @jdrowell http://www.flickr.com/photos/klearchos/4632744945 Thursday, March 24, 2011