| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: shmem_seq may be a bad idea |
| Date: | 2000-05-02 21:35:57 |
| Message-ID: | Pine.LNX.4.21.0005022334270.362-100000@localhost.localdomain |
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| Lists: | pgsql-hackers |
Thomas Lockhart writes:
> > A while ago while thinking about a way to make ipcclean better I thunk
> > that perhaps the postmaster should write the keys of the segments it gets
> > to a flat-text file. If it somehow crashes and loses track of what it
> > allocated before it can use that information to clean up. Not sure how
> > often that would take effect but it's very socially friendly.
>
> Hmm. Could we write this to a separate shared memory segment?
But how would ipcclean get to the key of *that* segment? I was thinking
file because that'd always be in a known location and could also be
accessible to humans to sort things out by hand or debug stuff.
--
Peter Eisentraut Sernanders väg 10:115
peter_e(at)gmx(dot)net 75262 Uppsala
http://yi.org/peter-e/ Sweden
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