Jdouglas added a subscriber: Jdouglas.
Jdouglas added a comment.

> BlazeGraph doesn't support clustering - only high availability


Does this refer to update scaling, or just query scaling?  Blazegraph supports 
replication clustering, which allows horizontal/linear //query// scaling.

>   Is federated queries an answer?


Blazegraph's scale-out architecture supports dynamic partitioning and service 
discovery, which could help to distribute data in a way that promotes 
distributed querying.

----

Which problem are we more concerned about: supporting lots and lots of data, or 
supporting lots and lots of queries?

- If the former, note that Systap recommends a scale-up architecture (i.e. 
single-node or replication cluster) for data sets with less than 50B statements.
- If the latter: can we dig into Wikidata's statistics to get concrete numbers 
for current usage?


TASK DETAIL
  https://phabricator.wikimedia.org/T90117

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To: Jdouglas
Cc: Jdouglas, daniel, Beebs.systap, Haasepeter, Aklapper, Manybubbles, jkroll, 
Smalyshev, Wikidata-bugs, aude, GWicke, JanZerebecki



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