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https://issues.apache.org/jira/browse/QPID-6043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kim van der Riet closed QPID-6043.
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> [linearstore] Add a configuration option to overwrite files returned to the
> EFP
> -------------------------------------------------------------------------------
>
> Key: QPID-6043
> URL: https://issues.apache.org/jira/browse/QPID-6043
> Project: Qpid
> Issue Type: Improvement
> Components: C++ Broker
> Reporter: Kim van der Riet
> Assignee: Kim van der Riet
>
> The linearstore returns used files to the Empty File Pool when they are no
> longer in use in a journal. Under normal use, the header of the file is reset
> (partly overwritten so that it cannot again be used with any journal), and a
> new header written when the file is once again used in a journal. However,
> the data within the journal remains. The header structure, particularly the
> use of serial numbers in the file and record headers, and the use of record
> checksums guarantee that old data can never be recovered as part of a newer
> journal.
> However, as an added security feature, an option which will completely erase
> the data content of the file would be useful. This comes with a performance
> penalty, which will have to be quantified when a solution is proposed.
> The proposed linearstore option is:
> {noformat}--overwrite-before-return [true|false|yes|no|1|0]{noformat}
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