The Knot, Inc. Cache Architecture
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A description of our implementation and architecture about using Membase for caching.
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The Knot, Inc. Cache Architecture
- 2. Jason Sirota Director, Application Architecture The Knot, Inc. jsirota@theknot.com http://jasonsirota.com/ Twitter: @jasonsirota
- 3. Who is The Knot?
- 4. The Knot, Inc. Weddings, Pregnancy, everything in between Began in 1996 with a channel on AOL Now has multiple brands including The Knot The Nest The Bump
- 5. But what you really want to know is…
- 6. How much traffic do we get? 150 million pageviews/month 5 million unique visitors 40 web servers running Windows 10 web server instances running *nix
- 7. And what technology do we use? ASP.NET SQL Server Nhibernate Struts2 Spring Grails MySQL Oracle PHP SiteCore CMS jQuery / custom JS Castle ActiveRecord WCF Services PostGres Endeca Search Lucene Search
- 9. Naked Memcached A programmer and a sysadmin walk into a bar 1 Bare Metal box, 16x1gb Nodes Single point of failure
- 10. Reasons for switching to Membase Memcached paid support Out of the box instrumentation Low cost for large capacity Logical bucketing Vertical or horizontal expansion Made for many, distributed nodes
- 11. Membase hardware 5xBare metal boxes HP DL165 – AMD 6172 2x16GB RAM (32GB) 2x300GB SAS 10K HD
- 12. Total Cluster 140 GB RAM ~700GB Disk Space allocated
- 13. Bucket Configuration 10 Buckets 1 per app 10 GB -20 GB Up to 1.5mm keys Up to 7000 o/s
- 14. Overall Statistics 10k-15k ops/sec overall cluster 5k-10k for largest node
- 15. Demo