Re: primary_conninfo missing from pg_stat_wal_receiver

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От
Alvaro Herrera
Тема
Re: primary_conninfo missing from pg_stat_wal_receiver
Дата
Msg-id
20160629210123.GA210205@alvherre.pgsql
Ответ на
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Дерево обсуждения
primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Noah Misch <noah@leadboat.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Vik Fearing <vik@2ndquadrant.fr>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Vik Fearing <vik@2ndquadrant.fr>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Tatsuo Ishii <ishii@postgresql.org>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Tom Lane <tgl@sss.pgh.pa.us>
Re: primary_conninfo missing from pg_stat_wal_receiver Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Tom Lane <tgl@sss.pgh.pa.us>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Tom Lane <tgl@sss.pgh.pa.us>
Re: primary_conninfo missing from pg_stat_wal_receiver Stephen Frost <sfrost@snowman.net>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Fujii Masao <masao.fujii@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Fujii Masao <masao.fujii@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Magnus Hagander <magnus@hagander.net>
Re: primary_conninfo missing from pg_stat_wal_receiver Tom Lane <tgl@sss.pgh.pa.us>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Tom Lane <tgl@sss.pgh.pa.us>
Re: primary_conninfo missing from pg_stat_wal_receiver Fujii Masao <masao.fujii@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Fujii Masao <masao.fujii@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Fujii Masao <masao.fujii@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Robert Haas <robertmhaas@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Fujii Masao <masao.fujii@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Alvaro Herrera <alvherre@2ndquadrant.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Stephen Frost <sfrost@snowman.net>
Re: primary_conninfo missing from pg_stat_wal_receiver Fujii Masao <masao.fujii@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Michael Paquier <michael.paquier@gmail.com>
Re: primary_conninfo missing from pg_stat_wal_receiver Vik Fearing <vik@2ndquadrant.fr>
Alvaro Herrera wrote:

> I propose to push this patch, closing the open item, and you can rework
> on top -- I suppose you would completely remove the original conninfo
> from shared memory and instead only copy the obfuscated version there
> (and probably also remove the ready_to_display flag).  I think we'd need
> to see the patch before deciding whether we want it in 9.6 or not,
> keeping in mind that having the conninfo in shared memory is a
> pre-existing problem, unrelated to the pgstats view new in 9.6.

Pushed this.  Feel free to tinker further with it, if you feel the need
to.

Regarding backpatching the clearing of shared memory, I'm inclined not
to.  If there is a real security concern there (I'm unsure what attack
are we protecting against), it may be better fixed by the approach
suggested by Fujii whereby the sensitive info is not ever published in
shared memory.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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