| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Stephen Frost <sfrost(at)snowman(dot)net>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: WIP: Access method extendability |
| Date: | 2014-10-29 18:28:08 |
| Message-ID: | CA+U5nMLL+=9o3cqvtwDexR0FdUwWF0jHqojRNhG2Sn4Zazwm5Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 29 October 2014 09:27, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> The current system does not allow for the possibility of a corruption
> bug. If one occurs, the only thing an AM can do is PANIC. It has no
> mechanism to isolate the problem and deal with it, which affects the
> whole server.
>
> So the issue is one of risk of PANIC or data loss - things we have
> always taken strong measures against. That is all I have requested as
> a first step. And I request it because I remember and dealt with many
> bugs and user problems in earlier times of 6-9 years ago.
>
> You are also right: btree, GIN and GIST will benefit from this also.
Since I feel this is a real concern, I will contribute this feature,
outside of the current patch.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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