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https://issues.apache.org/jira/browse/HBASE-30251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-30251.
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Fix Version/s: 3.0.0-beta-2
Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to master and branch-3.
Thanks [~liuxiaocs] for reviewing!
> Async prefetching causes TestClientScannerTimeouts flaky
> --------------------------------------------------------
>
> Key: HBASE-30251
> URL: https://issues.apache.org/jira/browse/HBASE-30251
> Project: HBase
> Issue Type: Sub-task
> Components: Scanners, test
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0-beta-2
>
>
> On branch-3+, the default implementation for ResultScanner will be an async
> prefetch one, so without proper settings, calling next in foreground may lead
> to lots of rpc next calls in background, and mess up the tests.
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