Re: SIGSEGV from START_REPLICATION 0/XXXXXXX in XLogSendPhysical ()at walsender.c:2762

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От Alvaro Herrera
Тема Re: SIGSEGV from START_REPLICATION 0/XXXXXXX in XLogSendPhysical ()at walsender.c:2762
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Msg-id 20200624145808.GA18120@alvherre.pgsql
обсуждение исходный текст
Ответ на Re: SIGSEGV from START_REPLICATION 0/XXXXXXX in XLogSendPhysical() at walsender.c:2762  (Kyotaro Horiguchi <horikyota.ntt@gmail.com>)
Ответы Re: SIGSEGV from START_REPLICATION 0/XXXXXXX in XLogSendPhysical ()at walsender.c:2762  (Stephen Frost <sfrost@snowman.net>)
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On 2020-Jun-24, Kyotaro Horiguchi wrote:

> In logical replication, a replication role is intended to be
> accessible only to the GRANTed databases.  On the other hand the same
> role can create a dead copy of the whole cluster, including
> non-granted databases.

In other words -- essentially, if you grant replication access to a role
only to a specific database, they can steal the whole cluster.

I don't see what's so great about that, but apparently people like it.

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

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