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https://issues.apache.org/jira/browse/HBASE-7803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13575506#comment-13575506
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Andrew Purtell commented on HBASE-7803:
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I have also profiled the REST interface in the past and as you might expect the
bulk of the runnable CPU time (as opposed to waiting for IO) is in converting
from HBase client API results to the selected representation (XML, JSON,
protobuf). I would be curious if you have profiled under your test load and
where you observe the time going.
> Look into REST API performance
> ------------------------------
>
> Key: HBASE-7803
> URL: https://issues.apache.org/jira/browse/HBASE-7803
> Project: HBase
> Issue Type: Task
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
>
> I have a YCSB client using the REST API. My testing shows the performance
> for scan with REST API is much worse than that with the java client API. We
> need to look into it and find out the root cause, either the test issue, or
> our REST API issue.
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