Re: > Subject: Re: Detailed explanation why uber move from postgress to mysql

Merry Xmas all.

One thing mysql can't do is the shared pool mechanism for high arrival rates of shareable SQL.

I assume that's not changed anyway.

Regards,

John Thomas

On Sun, 25 Dec 2016, 05:44 Tim Gorman, <tim.evdbt_at_gmail.com> wrote:

> >> Explaining those features is the least I could do for an Oracle ACE.
>
> Actually, the least you could do is explain them correctly.
>
> You started off OK in describing the Oracle in-memory implementation as a
> column store, which is easy enough since it is. And you should have
> stopped there.
>
> Instead, you veered into the weeds with an odd analogy to bitmap indexes,
> which indicates either unfamiliarity with in-memory column stores, or with
> bitmap indexes, or both. There is nothing to suggest the method, the
> manner, the usage, or the impact of bitmap indexes in any in-memory column
> store implementation.
>
> So in the one sentence (i.e. "*The nett effect is as if a bitmap index is
> created and maintained on the columns, minus the locking problem*"), you
> gave a classic *mansplain*, condescending yet wrong. Then, you doubled
> down. The sentence following (i.e. "*This advanced algorithm can speed
> up aggregated functions like avg, sum or stddev functions tremendously*")
> was a further glorious example of patronizing mixed with fuzziness and
> inaccuracy when referring to an in-memory column store as an "advanced
> algorithm" when it is foremost a data structure.
>
> So that's *mansplaining*, with which most men (including myself) find
> themselves largely unfamiliar, but which every woman in our ranks can
> somehow mysteriously recognize from miles away...
>
> ------------------------------
> man·splain (manˈsplān/)* verb*
> informal
> gerund or present participle: *mansplaining*
>
> 1. (of a man) explain (something) to someone, typically a woman, in a
> manner regarded as condescending or patronizing. Often memorable by the
> explanation being incorrect or poor
>
> ------------------------------
>
>
> If this is confusing, please note that Kellyn didn't ask for any
> explanation, and with many years supporting MySQL databases in production,
> she doesn't need it. Yet she got one from you anyway. Or an attempt at
> one.
>
> I'm going to cut to the chase here: stop picking fights. We're not going
> to tolerate it, so we're going to continue to call you out on it, each and
> every time. You were ejected from this list at least once already, some
> 11-12 years ago, and there was hope that you had grown when you rejoined.
>
> This is a dead topic.
>
>
>
>
> On 12/24/16 15:16, Mladen Gogala wrote:
>
> On 12/24/2016 09:15 AM, Kellyn Pot'Vin-Gorman wrote:
>
> Merry Christmas to me, I've had multiple database feature officially
> mansplained to me!
>
> The holiday season is complete....:)
>
> Sent from myMail for iOS
>
>
> I wish you a merry Christmas and a happy New Year.
>
> --
> Mladen Gogala
> Oracle DBAhttp://mgogala.freehostia.com
>
> --

Regards,

John

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