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https://issues.apache.org/jira/browse/HBASE-19033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-19033:
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Release Note:
Add back the three methods without a return value:
preFlushScannerOpen
preCompactScannerOpen
preStoreScannerOpen
Introduce a ScanOptions interface to let CP users change the max versions and
TTL of a ScanInfo. It will be passed as a parameter in the three methods above.
Inntroduce a new example WriteHeavyIncrementObserver which convert increment to
put and do aggregating when get. It uses the above three methods.
> Allow CP users to change versions and TTL before opening StoreScanner
> ---------------------------------------------------------------------
>
> Key: HBASE-19033
> URL: https://issues.apache.org/jira/browse/HBASE-19033
> Project: HBase
> Issue Type: Sub-task
> Components: Coprocessors
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Fix For: 2.0.0-alpha-4
>
> Attachments: HBASE-19033-v1.patch, HBASE-19033-v1.patch,
> HBASE-19033-v1.patch, HBASE-19033-v2.patch, HBASE-19033-v2.patch,
> HBASE-19033.patch
>
>
> See the discussion in HBASE-19001. Changing versions and TTL is safe for
> flush/compaction so we can expose them.
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