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While relational databases represent a valuable and
versatile tool, they have their problems. For many
workloads the performance offered by many RDBMSes
does not cut it.
This talk considers one such case, and walks
through the implementation of one possible solution,
namely the replacement of a PostgreSQL instance
with an in-memory key-value store Redis.
The general steps necessary for such conversion
are defined and elaborated upon.
The limitations of using Redis instead of an RDBMS
are discussed as well.
As a bonus, using Redis as a message bus
is described. An implementation of a
generic queue for watching Best Practical's Request
Tracker's transactions is used as an illustration.