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HBase >> mail # user >> How HBase implements delete operations


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Re: How HBase implements delete operations
But I just considered about the efficiency. Why HBase does not directly
write a tombstone to row key instead of for each cell?

regards

Yong

On Sat, Nov 26, 2011 at 8:11 AM, Jahangir Mohammed
<[EMAIL PROTECTED]>wrote:

> Tombstone. Same as cell.
>
> Thanks,
> Jahangir Mohammed.
>
> On Sat, Nov 26, 2011 at 1:14 AM, yonghu <[EMAIL PROTECTED]> wrote:
>
> > hello,
> >
> > I read http://hbase.apache.org/book/versions.html and have a question
> > about
> > delete operation. As it mentions, the user can delete a whole row or
> delete
> > a data version of cell. The delete operation of data version of cell is
> > just to write a tombstone marker for that version. I want to know how
> about
> > delete a row? Does HBase deletes the row immediately? or use the same
> > strategy as deleting a data version which create a tombstone for that row
> > key?  Or create a tombstone for every data version belongs to that row?
> >
> > regards
> >
> > Yong
> >
>