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From William Shen <wills...@marinsoftware.com>
Subject Re: Does Dropping the Source HBase Table Affect Its Snapshots and Cloned Tables from Snapshots?
Date Thu, 29 Nov 2018 04:41:59 GMT
Thank you Anil and Zach!

On Wed, Nov 28, 2018 at 8:26 PM Zach York <zyork.contribution@gmail.com>
wrote:

> Anil is right. Dropping/modifying source tables should not affect
> snapshots/cloned tables. If a source table is dropped, HBase will retain
> the HFiles referenced by the snapshot in the archive directory. Any HFile
> referred to by a table or snapshot will not be deleted by the
> HFileCleaner. Only when that snapshot/cloned table is deleted/dropped will
> the HFiles be eligible for deletion.
>
> On Wed, Nov 28, 2018 at 7:21 PM Anil Gupta <anilgupta84@gmail.com> wrote:
>
> > Cloned table and snapshots should not have any impact if you drop source
> > table.
> >
> > Sent from my iPhone
> >
> > > On Nov 28, 2018, at 5:23 PM, William Shen <willshen@marinsoftware.com>
> > wrote:
> > >
> > > Hi,
> > >
> > > I understand that changes made to the tables cloned using snapshot will
> > not
> > > affect the snapshot nor the source data table the snapshot is based on.
> > > However, I could not find information on whether or not a snapshot or a
> > > cloned table will be affected by the source table getting dropped. Can
> > > someone chime in on the HBase behavior in this case?
> > >
> > > Thank you!
> >
>

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