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https://issues.apache.org/jira/browse/HBASE-13070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhangduo updated HBASE-13070:
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Attachment: HBASE-13070_1.patch
Turn off prefetchOnOpen. Add log when clearing BlockCache more than one time.
> Fix TestCacheOnWrite
> --------------------
>
> Key: HBASE-13070
> URL: https://issues.apache.org/jira/browse/HBASE-13070
> Project: HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 2.0.0
> Reporter: zhangduo
> Assignee: zhangduo
> Attachments: HBASE-13070.patch, HBASE-13070_1.patch
>
>
> TestCacheOnWrite uses TestHFileWriterV2.randomOrderedKey to generate a random
> byte array, then use first 32 bytes as row and remaining part as family and
> qualifier. But TestHFileWriterV2.randomOrderedKey may return a byte array
> only contains 32 bytes, so there will be zero length family and qualifier.
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