Re: Strange failure in LWLock on skink in REL9_5_STABLE

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От Tom Lane
Тема Re: Strange failure in LWLock on skink in REL9_5_STABLE
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Msg-id 28445.1537502799@sss.pgh.pa.us
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Ответ на Re: Strange failure in LWLock on skink in REL9_5_STABLE  (Thomas Munro <thomas.munro@enterprisedb.com>)
Ответы Re: Strange failure in LWLock on skink in REL9_5_STABLE  (Thomas Munro <thomas.munro@enterprisedb.com>)
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Thomas Munro <thomas.munro@enterprisedb.com> writes:
> ... There may be ways to fix the dsm_resize() path
> based on the observation that you don't need to fallocate() if you
> made the mapping smaller, and if you made it bigger then you could
> always undo that on error (or not) and you haven't thrown away any
> data.  Hmm... I note that there are actually no callers of
> dsm_resize(), and it's not implemented on Windows or SystemV.

Why would we fix it rather than just removing it?

            regards, tom lane


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