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https://issues.apache.org/jira/browse/KUDU-605?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Percy updated KUDU-605:
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Parent: KUDU-423
> Implement block placement hints
> -------------------------------
>
> Key: KUDU-605
> URL: https://issues.apache.org/jira/browse/KUDU-605
> Project: Kudu
> Issue Type: Sub-task
> Components: fs
> Affects Versions: M5
> Reporter: Adar Dembo
> Assignee: Adar Dembo
> Priority: Trivial
>
> The block managers need an API that lets users choose where blocks are
> placed. Different block managers support different levels of granularity
> (e.g. locality in the log block manager can refer to disks or containers),
> and so we need to find a way to abstractly describe this stuff.
> Some sample hints:
> # As close as possible to block X
> # As close as possible to <some opaque string>
> # On disk A
> # On disk A, B, or C
> # On any disk
> # Some combination of 1-2 and 3-5 (i.e. block locality + disk locality)
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