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Re: [PATCH 08/16] Introduce the ApplyCache module which can reassemble transactions from a stream of interspersed changes - Mailing list pgsql-hackers

From Robert Haas
Subject Re: [PATCH 08/16] Introduce the ApplyCache module which can reassemble transactions from a stream of interspersed changes
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Msg-id CA+TgmoZrS9nMUwc_dAwqfSayr9WZd6K2LBFC3GyVMDkSjG5rOA@mail.gmail.com
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In response to Re: [PATCH 08/16] Introduce the ApplyCache module which can reassemble transactions from a stream of interspersed changes  (Andres Freund <andres@2ndquadrant.com>)
Responses Re: [PATCH 08/16] Introduce the ApplyCache module which can reassemble transactions from a stream of interspersed changes
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On Tue, Jun 26, 2012 at 8:13 PM, Andres Freund <andres@2ndquadrant.com> wrote:
> It even can be significantly higher than max_connections because
> subtransactions are only recognizable as part of their parent transaction
> uppon commit.

I've been wondering whether sub-XID assignment was going to end up on
the list of things that need to be WAL-logged to enable logical
replication.  It would be nicer to avoid that if we can, but I have a
feeling that we may not be able to.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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