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https://issues.apache.org/jira/browse/HBASE-26286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17441269#comment-17441269
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Duo Zhang commented on HBASE-26286:
-----------------------------------

Thanks [~bszabolcs], very clear. So I guess the 'restore' snapshot operation is 
used to restore the table to a previous state right? So typically, I prefer we 
also change the SFT implementation back.

And for now, I think we could just go with #1, as it is simple, can avoid 
damage on the data, and also easy to be changed to other choices later.

For now, if users want to change the SFT implementation, they must manually 
specify the MIGRATION SFT as a intermediate state and then change to the target 
SFT with a second altering table operation. So #4 would be a big project as if 
you have this ability, then we do not need to use the two step altering too...

I think we could improve these things in phase II :)

Thanks.

> Add support for specifying store file tracker when restoring or cloning 
> snapshot
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-26286
>                 URL: https://issues.apache.org/jira/browse/HBASE-26286
>             Project: HBase
>          Issue Type: Sub-task
>          Components: HFile, snapshots
>            Reporter: Duo Zhang
>            Assignee: Szabolcs Bukros
>            Priority: Major
>
> As discussed in HBASE-26280.
> https://issues.apache.org/jira/browse/HBASE-26280?focusedCommentId=17414894&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17414894



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