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https://issues.apache.org/jira/browse/BOOKKEEPER-894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198371#comment-15198371
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Matteo Merli commented on BOOKKEEPER-894:
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performance: the purpose of this tool is more towards being able to debug
issues by looking at the content of a ledger. It's not intended as a way to
ready many entries per seconds or to read a huge number of entries, which can
be done with BK client API. It's just a way to have a CLI tool ready to use
when it's needed.
> Read ledger entries from the bookie shell
> -----------------------------------------
>
> Key: BOOKKEEPER-894
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-894
> Project: Bookkeeper
> Issue Type: Improvement
> Components: bookkeeper-server
> Affects Versions: 4.3.2
> Reporter: Siddharth Sunil Boobna
> Assignee: Siddharth Sunil Boobna
> Priority: Minor
> Fix For: 4.4.0
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Bookie Shell should have a tool to read ledger entries from the bookkeeper
> cluster with optional arguments of startEntryId and endEntryId.
> Solution:
> We implement readEntries() in BookKeeperAdmin and return an Iterable. While
> iterating through it, we fetch individual entries instead of fetching all
> entries at once. Also, if the lastEntryId is not specified, we read entries
> till we get a NoSuchEntryException
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