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Re: xmin horizon? - Mailing list pgsql-general

From	Torsten Förtsch
Subject	Re: xmin horizon?
Date	July 30, 2015 04:22:05
Msg-id	55B97C33.7090003@gmx.net Whole thread Raw
In response to	xmin horizon? (CS DBA <cs_dba@consistentstate.com>)
List	pgsql-general

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On 29/07/15 21:13, CS DBA wrote:
> The documentation for pg_stat_activity lists this column:
>
> backend_xmin     xid     The current backend's xmin horizon.
>
> Can someone point me to a better understanding on "xmin horizon"?

https://momjian.us/main/writings/pgsql/mvcc.pdf

you can find this talk also on youtube. It's worth watching.

Torsten

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From: Michael Paquier
Date: 30 July 2015, 04:16:47
Subject: Re: xmin horizon?

From: Andres Freund
Date: 30 July 2015, 10:34:11
Subject: Re: Logical decoding off of a replica?

Re: xmin horizon? - Mailing list pgsql-general

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