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https://issues.apache.org/jira/browse/BOOKKEEPER-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747363#comment-13747363
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Ivan Kelly commented on BOOKKEEPER-673:
---------------------------------------

{quote}is there any application relying on this length field rather than the 
LAC field?{quote}
As Vinay said, if they were, they would have seen this already. As they 
haven't, i'd push this out to 4.3.0 and a possible 4.2.3. I'd like to get 4.2.2 
out this week, and as such, I'd like to avoid any scope creep.
                
> Ledger length can be inaccurate in failure case
> -----------------------------------------------
>
>                 Key: BOOKKEEPER-673
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-673
>             Project: Bookkeeper
>          Issue Type: Bug
>            Reporter: Ivan Kelly
>             Fix For: 4.3.0
>
>
> Ledger length can be inconsistent if a ledger is closed by a writing client 
> that encounters an error. For example, in a cluster with 3 bookies, and an 
> ledger with a q3e3 configuration, if a bookie dies, the client will close the 
> ledger when it fails to write an entry. However, it has already added the 
> length of the failed entry to the local ledger length, and this is what is 
> stored to zk.

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