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Development & Deployment of Multiplayer Online Games, page 8:

Gradual OLTP DB Development – from Zero to 10 Billion Transactions per Year and Beyond

posted December 13, 2016 by "No Bugs" Hare

Quote:	“to make an efficient representation usable for OLAP – we need to modify our data on its way to OLAP replicas”
Another Quote:	“Each of the DB Server Apps is a replica master, but all replica targets are within the same Replica DB”
	[→]

posted December 5, 2016 by "No Bugs" Hare

Quote:	“while duplication MAY indeed improve performance – undue duplication also MAY hit performance pretty badly”
Another Quote:	“NoSQL will usually call for another denormalisation on top of what we’ve described above for SQL-with-XML.”
	[→]

posted November 28, 2016 by "No Bugs" Hare

Quote:	“If we’re speaking about millions transactions per day over just a few hundred of different SQL statements – compiling those statements a million times (instead of a few hundred times) will be a dramatic waste of resources.”
Another Quote:	“Once upon a time, I observed the largest C++ file in my career – it was a 30’000-line file(!) consisting merely of ODBC bindings (and that was just for 300 or so SQL statements)”
	[→]

posted November 21, 2016 by "No Bugs" Hare

Quote:	“99% of reporting requests and 99.9% of analytics is purely historical”
Another Quote:	“Information within the audit table should be sufficient to validate/justify current state”
	[→]

posted November 14, 2016 by "No Bugs" Hare

Quote:	“As the RDBMS keeps modifying its tables – the tables gradually degrade”
Another Quote:	“As we can see from the table above – choosing your RDBMS it is not as easy as it might seem.”
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posted November 7, 2016 by "No Bugs" Hare

Quote:	“And after this split of USERS table, the system has achieved perfectly linear scalability.”
Another Quote:	“Start with a simple single-write-connection DB, with reporting running off the same DB”
	[→]

posted October 31, 2016 by "No Bugs" Hare

Quote:	“Dealing with transaction isolation is very far from being a picnic”
Another Quote:	“One of such real-world systems was consistently processing over 30M real-world write transactions/day over one single DB connection, supporting ~100K simultaneous players.”
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