Ilya Shakhat 147effea78 Optimize storage schema for Redis driver ... The original Redis driver stored each tracing event under its own key, as result both list and get operations required a full scan of the database. With this patch traces are stored as Redis lists under a key equal to trace id. So list operation iterates only over unique trace ids and get operation retrieves the content of a specified list. Note that list operation still needs to retrieve at least 1 event from the trace in order to get a timestamp. Performance test is executed with 1000 traces each consisting 1000 events: * existing driver: * write: 48 sec * list: 41 sec * get: 3.6 sec * optimized driver: * write: 44 sec * list: 4.1 sec * get: 0.01 sec Change-Id: I09a122f91e3d26531965fe53d6df7c66f502de4c		2019-04-09 13:27:18 +02:00
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notes	Optimize storage schema for Redis driver	2019-04-09 13:27:18 +02:00
source	Update master for stable/stein	2019-03-18 14:48:15 +00:00