Re: [COMMITTERS] pgsql: Move each SLRU's lwlocks to a separate tranche.

On Fri, Mar 25, 2016 at 12:47 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Fri, Mar 25, 2016 at 9:48 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> Robert Haas <robertmhaas@gmail.com> writes:
>>>> It's stupid that we keep spending time and energy figuring out which
>>>> shared memory data structures require alignment and which ones don't.
>>>> Let's just align them *all* and be done with it.  The memory cost
>>>> shouldn't be more than a few kB.
>
>>> I think such a proposal should come with a measurement, not just
>>> speculation about what it costs.
>
>> About 6kB with default settings.  See below.
>
> Sold, then.

Excellent.  Done.

-- 
Robert Haas
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