1. CouchDB
(replicated data store for distributed
proxy server)
@tkramar

2. Distributed proxy server
● Manipulates
● request/response headers/bodies
● Recommend new pages based on browsing
patterns
● Insert new search results based on what similar
users found relevant
● Your next idea..

3. We want..
● .. to have multiple proxies
● localization services
● high availability

5. CouchDB
● Document database
● JSON
● _id
● _rev

7. Views
● JavaScript MapReduce
● “SELECT”, “JOIN”
● B-tree
● persistent

8. Pagination
● Slow
● skip, limit
● http://127.0.0.1:5984/proxy/_design/access_logs/_vi
ew/by-user-and-timestamp?limit=5&skip=5
● Fast
● startdoc, limit
● http://127.0.0.1:5984/proxy/_design/access_logs/_vi
ew/by-user-and-timestamp?startkey=3456&skip=5

9. ● http://guide.couchdb.org/index.html