2010/11/9 Tom Lane <tgl@sss.pgh.pa.us>:
> Vick Khera <vivek@khera.org> writes:
>> On Tue, Nov 9, 2010 at 10:26 AM, Scott Ribe <scott_ribe@killerbytes.com> wrote:
>>> Also, my understanding is that if you go way back on the PostgreSQL timeline to versions 6 and earliest 7.x, it was
alittle shaky. (I started with 7.3 or 7.4, and it has been rock solid.)
>
>> In those same times, mysql was also, um, other than rock solid.
>
> I don't have enough operational experience with mysql to speak to how
> reliable it was back in the day. What it *did* have over postgres back
> then was speed. It was a whole lot faster, particularly on the sort of
> single-stream-of-simple-queries cases that people who don't know
> databases are likely to set up as benchmarks. (mysql still beats us on
> cases like that, though not by as much.) I think that drove quite a
> few early adoption decisions, and now folks are locked in; the cost of
> conversion outweighs the (perceived) benefits.
Facebook have writen "Flashcache [is] built primarily as a block
cache for InnoDB but is general purpose and can be used by other
applications as well."
https://github.com/facebook/flashcache/
A good tool by the way. It is the only place where I like to see SSD
disk. (not at facebook, but with 'volatile' data)
>
> regards, tom lane
>
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Cédric Villemain 2ndQuadrant
http://2ndQuadrant.fr/ PostgreSQL : Expertise, Formation et Support
