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https://issues.apache.org/jira/browse/OAK-4105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrei Dulceanu updated OAK-4105:
---------------------------------
    Attachment: OAK-4105-01.patch

I changed the {{FileStore.size()}} implementation to use {{approximateSize}}. 
This is initialised once during {{FileStore}} creation by calling 
{{FileStore.initialSize()}} which mirrors the old implementation (locks 
FileStore and iterates over all tar files, getting their respective sizes). 

I attached the patch. [~frm] Could you take a look at it?

> Implement FileStore.size through FileStore.approximateSize
> ----------------------------------------------------------
>
>                 Key: OAK-4105
>                 URL: https://issues.apache.org/jira/browse/OAK-4105
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Andrei Dulceanu
>            Priority: Minor
>              Labels: resilience
>             Fix For: Segment Tar 0.0.6
>
>         Attachments: OAK-4105-01.patch
>
>
> {{FileStore.size()}} is prone to lock contention and should not be called too 
> often. As OAK-2879 already introduced an approach for tracking the current 
> size of the file store without having to lock, we might as well promote his 
> to be "the official" implementation. 
> [~frm] WDYT?



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