| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Richard Huxton <dev(at)archonet(dot)com> |
| Cc: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [COMMITTERS] pgsql-server: Rearrange pg_subtrans handling |
| Date: | 2004-08-24 14:31:13 |
| Message-ID: | 3252.1093357873@sss.pgh.pa.us |
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| Lists: | pgsql-committers pgsql-hackers |
Richard Huxton <dev(at)archonet(dot)com> writes:
> ... Don't forget having to deal with a backend dying without being able to
> decrement the count (not my idea, Bruce (iirc) mentioned it last time
> this was discussed). I think at the least you'd need a
> max-trans-id-with-lock number stored next to the count so that in the
> event of backend crashes the lock will eventually be released.
No, because the whole table would simply be flushed upon backend crash.
regards, tom lane
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