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https://issues.apache.org/jira/browse/HBASE-16962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626466#comment-15626466
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Thiruvel Thirumoolan commented on HBASE-16962:
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We create a StoreScanner() in CP and pass that to our custom scanner (which we
hope to open source after sufficient testing).
Since StoreScanner needs readpoint in its constructor (introduced in
HBASE-9754), I need access to the readpt from Compactor. I took a stab at other
approaches - like having map for lookup etc - atleast in 0.98 code base. Since
HBASE-15759 already added readpt to preStoreScannerOpen(), I went with the same
approach here. Let me know if you want me to pursue other approaches.
> Add readPoint to preCompactScannerOpen() API
> --------------------------------------------
>
> Key: HBASE-16962
> URL: https://issues.apache.org/jira/browse/HBASE-16962
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Thiruvel Thirumoolan
> Assignee: Thiruvel Thirumoolan
> Attachments: HBASE-16962.rough.patch
>
>
> Similar to HBASE-15759, I would like to add readPoint to the
> preCompactScannerOpen() API.
> I have a CP where I create a StoreScanner() as part of the
> preCompactScannerOpen() API. I need the readpoint which was obtained in
> Compactor.compact() method to be consistent.
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