Обсуждение: reconstructing old threads fun

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reconstructing old threads fun

От
Alvaro Herrera
Дата:
I just noticed a glitch in the algorithms for thread reconstruction.
See this thread:

http://www.postgresql.org/message-id/flat/1290091189-sup-9738@alvh.no-ip.org

in which I just found that the archives were incomplete.  I had the
missing emails (since I was CCed), so I thought it'd be good to have
them in the public archive.  So I bounced them to pgsql-admin.

If you open the initial email, the thread dropdown doesn't list the
added emails.  If you follow the "response" links at the bottom, you
won't reach the added emails.  However, if you open the "flat" view,
they will definitely be there.

Is this something that would manifest in other cases when emails in the
middle of a thread get added later than some later ones?  This is not a
common situation, but it might happen if some emails in the middle are
moderated and later ones are not.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services



Re: reconstructing old threads fun

От
Magnus Hagander
Дата:
On Wed, Oct 23, 2013 at 7:42 PM, Alvaro Herrera
<alvherre@2ndquadrant.com> wrote:
> I just noticed a glitch in the algorithms for thread reconstruction.
> See this thread:
>
> http://www.postgresql.org/message-id/flat/1290091189-sup-9738@alvh.no-ip.org
>
> in which I just found that the archives were incomplete.  I had the
> missing emails (since I was CCed), so I thought it'd be good to have
> them in the public archive.  So I bounced them to pgsql-admin.
>
> If you open the initial email, the thread dropdown doesn't list the
> added emails.  If you follow the "response" links at the bottom, you
> won't reach the added emails.  However, if you open the "flat" view,
> they will definitely be there.
>
> Is this something that would manifest in other cases when emails in the
> middle of a thread get added later than some later ones?  This is not a
> common situation, but it might happen if some emails in the middle are
> moderated and later ones are not.

That sounds more like a cache invalidation issue. Since I don't know
exactly which of the emails had the problem - if you go back now, has
it by any chance resolved itself already? AFAICT there's at least the
same *number* of messages in the two lists now...


-- Magnus HaganderMe: http://www.hagander.net/Work: http://www.redpill-linpro.com/



Re: reconstructing old threads fun

От
Alvaro Herrera
Дата:
Magnus Hagander wrote:
> On Wed, Oct 23, 2013 at 7:42 PM, Alvaro Herrera
> <alvherre@2ndquadrant.com> wrote:

> > Is this something that would manifest in other cases when emails in the
> > middle of a thread get added later than some later ones?  This is not a
> > common situation, but it might happen if some emails in the middle are
> > moderated and later ones are not.
> 
> That sounds more like a cache invalidation issue. Since I don't know
> exactly which of the emails had the problem - if you go back now, has
> it by any chance resolved itself already? AFAICT there's at least the
> same *number* of messages in the two lists now...

Ah, yeah, it looks fine now after force-reloading the pages in my
browser.

Thanks :-)

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services