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https://issues.apache.org/jira/browse/HBASE-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071227#comment-13071227
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stack commented on HBASE-1938:
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@nkeywal I'm not as lazy this morning as I was yesterday so took a look at the
java src. Indeed that looks like a nice optimization. Great stuff.
> Make in-memory table scanning faster
> ------------------------------------
>
> Key: HBASE-1938
> URL: https://issues.apache.org/jira/browse/HBASE-1938
> Project: HBase
> Issue Type: Improvement
> Components: performance
> Reporter: stack
> Assignee: stack
> Priority: Blocker
> Attachments: MemStoreScanPerformance.java,
> MemStoreScanPerformance.java, caching-keylength-in-kv.patch, test.patch
>
>
> This issue is about profiling hbase to see if I can make hbase scans run
> faster when all is up in memory. Talking to some users, they are seeing
> about 1/4 million rows a second. It should be able to go faster than this
> (Scanning an array of objects, they can do about 4-5x this).
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