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https://issues.apache.org/jira/browse/BOOKKEEPER-841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14354358#comment-14354358
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Matteo Merli commented on BOOKKEEPER-841:
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Ledgers maps should also be stored at the end of the entry log itself, to avoid
rescanning the entry logs when the bookies restart.
> Bookie should calculate ledgers map writing a new entry log file
> ----------------------------------------------------------------
>
> Key: BOOKKEEPER-841
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-841
> Project: Bookkeeper
> Issue Type: Improvement
> Components: bookkeeper-server
> Reporter: Sijie Guo
> Assignee: Sijie Guo
> Fix For: 4.4.0
>
>
> Bookie should calculate ledgers map when writing a new entry log file. so the
> bookie doesn't need to scan that entry log file again, which it would improve
> garbage collection efficiency
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