| From: | Rahila Syed <rahila(dot)syed(at)2ndquadrant(dot)com> |
|---|---|
| To: | amitdkhan(dot)pg(at)gmail(dot)com |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Minimal logical decoding on standbys |
| Date: | 2019-11-07 08:32:03 |
| Message-ID: | CAOajBXTRcBikgLcgb3nEMpu-bq-ixat9VbAcTPY-JET3sQ0tWA@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
Hi Amit,
I am reading about this feature and reviewing it.
To start with, I reviewed the patch:
0005-Doc-changes-describing-details-about-logical-decodin.patch.
>prevent VACUUM from removing required rows from the system catalogs,
>hot_standby_feedback should be set on the standby. In spite of that,
>if any required rows get removed on standby, the slot gets dropped.
IIUC, you mean `if any required rows get removed on *the master* the slot
gets
dropped`, right?
Thank you,
--
Rahila Syed
Performance Engineer
2ndQuadrant
http://www.2ndQuadrant.com <http://www.2ndquadrant.com/>
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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