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https://issues.apache.org/jira/browse/SQOOP-3487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17302253#comment-17302253
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Attila Szabo commented on SQOOP-3487:
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Hi [~zhou0145] ,
I've reviewed your changes (both Github and issues.apache.org), but TBH in the
current state I'm concerned both about the intention of the change, and the
correctness as well.
First of all:
Could you please provide a bit more detail around what performance gain do you
expect from this change and how did you measure it? Could you please provide
also some automated testcase which would show the effect of this gain, and
would ensure we don't loose it in the future?
On the front of correctness:
SQOOP-3149 introduced the line you'd like to remove, and if I do remember
correctly absolutely intentionally. Because of this reason:
Could you please provide automated test cases which ensures that SQOOP-3149
changes won't be undone by your change (so we keep the current correctness
around NULL column updates)?
Many thanks in advance,
[~maugli]
> Add PUT repeatedly when importing to HBase
> ------------------------------------------
>
> Key: SQOOP-3487
> URL: https://issues.apache.org/jira/browse/SQOOP-3487
> Project: Sqoop
> Issue Type: Improvement
> Components: hbase-integration
> Affects Versions: no-release
> Environment: sqoop-version:1.4.7-cdh6.3.2
> Reporter: hong
> Priority: Major
> Labels: hbase
> Fix For: no-release
>
> Attachments:
> 0001-SQOOP-3487-Add-PUT-repeatedly-when-importing-to-HBas.patch
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Repeated add of PUT cause the import into HBase to slow down
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