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https://issues.apache.org/jira/browse/BOOKKEEPER-249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506518#comment-13506518
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Flavio Junqueira commented on BOOKKEEPER-249:
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I don't think the cost of maintaining the greatest lower bound would be high,
but your observation about ledger ids not being monotonically increasing is a
good one. I guess it could happen for example because of auto-replication.
In any case, I don't like the full gc idea. It would be nicer to rely upon a
single mechanism instead of having to fall back to an alternative one.
> Revisit garbage collection algorithm in Bookie server
> -----------------------------------------------------
>
> Key: BOOKKEEPER-249
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-249
> Project: Bookkeeper
> Issue Type: Improvement
> Components: bookkeeper-server
> Reporter: Sijie Guo
> Fix For: 4.2.0
>
> Attachments: gc_revisit.pdf
>
>
> Per discussion in BOOKKEEPER-181, it would be better to revisit garbage
> collection algorithm in bookie server. so create a subtask to focus on it.
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