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Last modified by Erik Bakker on 2024/09/03 08:22
From version 4.1
edited by Erik Bakker
on 2022/06/13 10:16
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To version 8.1
edited by Erik Bakker
on 2022/10/03 13:09
Change comment: There is no comment for this version

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13 13  Retention configuration in Event Streaming helps to delete data from a topic once that data (messages) reaches one of the retention thresholds. The main retention parameters that can be influenced in Event Streaming topis are:
14 14  
15 -1. Retention bytes * once the topic reaches this size the oldest messages will be deleted from the topic (FIFO approach)
16 -2. Retention hours * once a message on a topic is older than these retention bytes, this message will be deleted
15 +* Retention bytes -> once the topic reaches this size the oldest messages will be deleted from the topic (FIFO approach)
16 +* Retention hours -> once a message on a topic is older than these retention bytes, this message will be deleted
17 17  
18 18  The cleanup policy is set to <delete> which effectively means the message is deleted. The cleanup policy <compact> is not used in eMagiz.
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55 55  
56 56  == 6. Suggested Additional Readings ==
57 57  
58 -1. Understanding retention policy in eMagiz: https://emagiz.github.io/docs/microlearning/intermediate-key-concepts-emagiz-event-streaming-retention-policy
59 -2. Understanding topic configured size across environments: https://emagiz.github.io/docs/microlearning/intermediate-solution-architecture-topic-storage
60 -3. Key concepts of Event Streaming: https://emagiz.github.io/docs/fundamental/fundamental-event-streaming-introduction
58 +* [[Understanding retention policy in eMagiz>>doc:Main.eMagiz Academy.Microlearnings.Intermediate Level.Key concepts Event Streaming.intermediate-key-concepts-emagiz-event-streaming-retention-policy.WebHome||target="blank"]]
59 +* [[Understanding topic configured size across environments>>doc:Main.eMagiz Academy.Microlearnings.Intermediate Level.Solution Architecture.intermediate-solution-architecture-topic-storage.WebHome||target="blank"]]
60 +* [[Key concepts of Event Streaming>>doc:Main.eMagiz Academy.Fundamentals.fundamental-event-streaming-introduction.WebHome||target="blank"]]
61 61  
62 62  == 7. Silent demonstration video ==
63 63