| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> |
| Cc: | daniel(dot)westermann(at)dbi-services(dot)com, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: What does tcop stand for? |
| Date: | 2017-12-21 11:45:59 |
| Message-ID: | 20171221114559.jtfp2t4sc4br2j4y@alvherre.pgsql |
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| Lists: | pgsql-general |
Tatsuo Ishii wrote:
> >>> currently browsing the source code in src/include/tcop. What does tcop stand for? Can not find any hints in the files.
> >
> >>Traffic cop.
> >
> > Thanks
> > cop mean?
>
> A cop means a policeman. Probably the name came from that it is
> responsible for the traffic control between frontend and backend.
Traffic control between utility commands and stuff that goes to the
optimizer is how I understand it.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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