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https://issues.apache.org/jira/browse/HBASE-17528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16398110#comment-16398110
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ramkrishna.s.vasudevan commented on HBASE-17528:
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Atleast for now as per the existing code since pread is default now and in 1.1
pread was not ON by default users who do not know about this feature will face
a regression . Because if the scan is running for a long time we tend to do a
switch. The switch over is costly as discussed in the original JIRA. Since the
default itself is now pread should we clearly highlight that and always ask for
long running scans to go with STREAM based? In that case we need this ReadType
and we should not deprecate it.
> Remove the Scan.ReadType flag introduced in HBASE-17045
> -------------------------------------------------------
>
> Key: HBASE-17528
> URL: https://issues.apache.org/jira/browse/HBASE-17528
> Project: HBase
> Issue Type: Task
> Components: scan
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Assignee: stack
> Priority: Major
> Fix For: 2.0.0
>
> Attachments: HBASE-17528.branch-2.001.patch
>
>
> It is used to keep the old behavior of small scan. We should have a mechanism
> which selects pread or stream automatically at server side. And in general,
> we have discussed many times whether it is OK to always use pread for a user
> scan.
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