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https://issues.apache.org/jira/browse/HBASE-10322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870330#comment-13870330
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Anoop Sam John commented on HBASE-10322:
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Thanks Stack.
bq.Or rather, it should not have to care. Why not pass in an encoder that does
client encoding rather than do this passing of a flag.
That seems very much valid for me too.. Why not done is we need OutputStream
to be passed for the creation of the Encoder. (Compressed or uncompressed). All
these common logic is moved inside the IPCUtil now.. Passing in Encoder will
make us to do this stuff out in RpcClient and RpcServer. :( So we can pass in
boolean only? Will change the variable name (and in other places also)
> Strip tags from KV while sending back to client on reads
> --------------------------------------------------------
>
> Key: HBASE-10322
> URL: https://issues.apache.org/jira/browse/HBASE-10322
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.0
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Priority: Blocker
> Fix For: 0.98.0, 0.99.0
>
> Attachments: HBASE-10322.patch
>
>
> Right now we have some inconsistency wrt sending back tags on read. We do
> this in scan when using Java client(Codec based cell block encoding). But
> during a Get operation or when a pure PB based Scan comes we are not sending
> back the tags. So any of the below fix we have to do
> 1. Send back tags in missing cases also. But sending back visibility
> expression/ cell ACL is not correct.
> 2. Don't send back tags in any case. This will a problem when a tool like
> ExportTool use the scan to export the table data. We will miss exporting the
> cell visibility/ACL.
> 3. Send back tags based on some condition. It has to be per scan basis.
> Simplest way is pass some kind of attribute in Scan which says whether to
> send back tags or not. But believing some thing what scan specifies might not
> be correct IMO. Then comes the way of checking the user who is doing the
> scan. When a HBase super user doing the scan then only send back tags. So
> when a case comes like Export Tool's the execution should happen from a super
> user.
> So IMO we should go with #3.
> Patch coming soon.
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