| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Cc: | Greg Stark <gsstark(at)mit(dot)edu>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Bruce Momjian <bruce(at)momjian(dot)us> |
| Subject: | Re: Re: [RFC][PATCH]: CRC32 is limiting at COPY/CTAS/INSERT ... SELECT + speeding it up |
| Date: | 2010-05-30 20:48:37 |
| Message-ID: | 201005302248.37614.andres@anarazel.de |
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| Lists: | pgsql-hackers |
On Sunday 30 May 2010 18:43:12 Greg Stark wrote:
> On Sun, May 30, 2010 at 5:29 PM, Greg Stark <gsstark(at)mit(dot)edu> wrote:
> > On Sun, May 30, 2010 at 4:54 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >> I read through that thread and couldn't find much discussion of
> >> alternative CRC implementations --- we spent all our time on arguing
> >> about whether we needed 64-bit CRC or not.
> >
> > Alright, how about this thread?
> >
> > http://thread.gmane.org/gmane.comp.db.postgresql.devel.general/71741
>
> Huh, actually apparently this is right about on schedule for
> reconsidering this topic:
>
> http://article.gmane.org/gmane.comp.db.postgresql.devel.general/71903
Oh, and the first zlib version sporting the 4 separate shifted tables approach
was 1.2.0 (9 March 2003) ;-)
Andres
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