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

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От Tom Lane
Тема Re: [COMMITTERS] pgsql: Move each SLRU's lwlocks to a separate tranche.
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Msg-id 31588.1458913723@sss.pgh.pa.us
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Ответ на Re: [COMMITTERS] pgsql: Move each SLRU's lwlocks to a separate tranche.  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: [COMMITTERS] pgsql: Move each SLRU's lwlocks to a separate tranche.  (Robert Haas <robertmhaas@gmail.com>)
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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.
        regards, tom lane

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