[tor-bugs] #1844 [Metrics]: Implement consensus and descriptor stats as materialized views

["Tor Bug Tracker & Wiki" <torproject-admin@xxxxxxxxxxxxxx>]

#1844: Implement consensus and descriptor stats as materialized views
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 Reporter:  karsten  |       Owner:  karsten
     Type:  task     |      Status:  new    
 Priority:  normal   |   Milestone:         
Component:  Metrics  |     Version:         
 Keywords:           |      Parent:         
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 Kevin has been working on implementing statistics based on network status
 consensuses and server descriptors as materialized views in the database.
 These statistics include number of relays, relay versions, relay
 platforms, and advertised bandwidth. The motivation is to have the
 database as single interface between metrics-db and metrics-web.

 So far, we have Java and huge temporary files to generate consensus and
 descriptor stats. The database schema changes that Kevin implemented will
 maintain tables with the required statistics data. Updates to these tables
 will be triggered after importing new data every hour. Querying the tables
 will be very efficient.

 As discussed on #tor-dev today, we are going to merge Kevin's code into
 metrics-db soon. This ticket will be used to keep all discussion about
 merging the code in a single place.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/1844>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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