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https://issues.apache.org/jira/browse/HBASE-21032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrey Elenskiy updated HBASE-21032:
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Summary: ScanResponses contain only one cell each (was: ScanResponse
returns a partial result per cell)
> ScanResponses contain only one cell each
> ----------------------------------------
>
> Key: HBASE-21032
> URL: https://issues.apache.org/jira/browse/HBASE-21032
> Project: HBase
> Issue Type: Bug
> Components: Scanners
> Affects Versions: 2.1.0
> Environment: HBase 2.1.0
> Hadoop 2.8.4
> Java 8
> Reporter: Andrey Elenskiy
> Priority: Major
> Attachments: App.java
>
>
> I have a long row with a bunch of columns that I'm scanning with
> setAllowPartialResults(true). In the response I'm getting the first partial
> being around 2MB while all of the consequent ones being 1 column per partial.
> After digging more, I found that each of those single column partials are
> preceded by a heartbeat response (zero cells). This results in two request
> per column to a regionserver.
> I've attached code to reproduce it on hbase version 2.1.0 (it works as
> expected on 2.0.0 and 2.0.1).
> [^App.java]
> I'm fairly certain it's a serverside issue as
> [gohbase|https://github.com/tsuna/gohbase] client is having the same issue. I
> have not tried to reproduce this with multi-row scan.
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