| From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
|---|---|
| To: | Andrew Borodin <amborodin(at)acm(dot)org> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Vladimir Borodin <root(at)simply(dot)name> |
| Subject: | Re: Review: GIN non-intrusive vacuum of posting tree |
| Date: | 2017-02-04 22:45:45 |
| Message-ID: | CAMp0ubcW9HwuiQRrQRDa=mkWwd4kg04vRjGRki2DUgNLPs_9zQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Jan 22, 2017 at 10:32 PM, Jeff Davis <pgsql(at)j-davis(dot)com> wrote:
> On Sat, Jan 21, 2017 at 4:25 AM, Andrew Borodin <borodin(at)octonica(dot)com> wrote:
> One idea I had that might be simpler is to use a two-stage page
> delete. The first stage would remove the link from the parent and mark
> the page deleted, but leave the right link intact and prevent
> recycling. The second stage would follow the chain of right links
> along each level, removing the right links to deleted pages and
> freeing the page to be recycled.
Do you think this approach is viable as a simplification?
Regards,
Jeff Davis
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