Re: Cost of XLogInsert CRC calculations

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От Tom Lane
Тема Re: Cost of XLogInsert CRC calculations
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Msg-id 16235.1116383825@sss.pgh.pa.us
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Ответ на Re: Cost of XLogInsert CRC calculations  (Bruce Momjian <pgman@candle.pha.pa.us>)
Ответы Re: Cost of XLogInsert CRC calculations  (Bruce Momjian <pgman@candle.pha.pa.us>)
Re: Cost of XLogInsert CRC calculations  (Hannu Krosing <hannu@skype.net>)
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Bruce Momjian <pgman@candle.pha.pa.us> writes:
> I don't understand why we are testing 64-bit CRC when I thought we
> agreed that 32-bit was good enough for our purposes.

Well, we need to understand exactly what is going on here.  I'd not
like to think that we dropped back from 64 to 32 bit because of one
possibly-minor optimization bug in one compiler on one platform.
Even if that compiler+platform is 90% of the market.
        regards, tom lane


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