GitHub user sh-y00 created a discussion: Relationship between Backlog size and
Retention size
Can someone please tell me the relationship between Backlog size and Retention
size, because I don't understand it.
●Assumption
Backlog Size：500GB
●Description
When I tried to set the Retention size to 100GB, the following error was output.
_Retention Quota must exceed configured backlog quota for topic. Please
increase retention quota and retry_
_Reason: Retention Quota must exceed configured backlog quota for topic.
Please increase retention quota and retry_
●My understanding
Backlog size and Retention size are areas used for different purposes, so there
was no dependency between them.
●Question
①I would like to know if there is anything wrong about my understanding.
②I would like to know the relationship between Backlog size and Retention size.
GitHub link: https://github.com/apache/pulsar/discussions/20191
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