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Question

 Gaurav Kumar (Gaurav_Kumar)
Rabobank

Rabobank
NL
Gaurav_Kumar Member since 2014 7 posts
Rabobank
Posted: Dec 27, 2016
Last activity: Dec 28, 2016
Posted: 27 Dec 2016 13:53 EST
Last activity: 28 Dec 2016 12:32 EST
Closed

Adaptive inputs snapshot cleanup

Hi All,

As part of Delayed Learning, we are storing Adaptive inputs for 30 days in Make Decision Data Flow. These data is occupying space in GB's I am aware that these data are getting removed after specified time but not sure which background Process or Agent is removing. Does anybody have an idea which background process is removing these Adaptive data from server?

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Decision Management

Posted: 7 years ago
Posted: 28 Dec 2016 3:27 EST
Otto Perdeck (Otto_Perdeck)
PEGA
Director, Data Science, Machine Learning & AI
Pegasystems Inc.
NL

Hi, "shanr2" is correct. The time you specify is mapped to a time to live property of the pxDecisionData data stored in Cassandra. After the TTL expires, this data won't be included in the results but might still be physically present, still occupying space. After a certain amount of time (please check Cassandra docs for TTL policies) this data will be removed during Cassandra compactation and repair processes.

-Otto

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