| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
| Subject: | Re: longfin and tamandua aren't too happy but I'm not sure why |
| Date: | 2022-09-27 21:50:07 |
| Message-ID: | 3845323.1664315407@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, Sep 27, 2022 at 4:50 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> There is a second problem that I am going to hold your feet to the
>> fire about:
>> (lldb) p sizeof(SharedInvalidationMessage)
>> (unsigned long) $1 = 24
> Also, I don't really know what problem you think it's going to cause
> if that structure gets bigger. If we increased the size from 16 bytes
> even all the way to 32 or 64 bytes, what negative impact do you think
> that would have?
Maybe it wouldn't have any great impact. I don't know, but I don't
think it's incumbent on me to measure that. You or the patch author
should have had a handle on that question *before* committing.
regards, tom lane
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