Re: Constant WAL replay - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Constant WAL replay
Date
Msg-id 6192.1114357277@sss.pgh.pa.us
Whole thread Raw
In response to Re: Constant WAL replay  (Klaus Naumann <lists@distinctmind.de>)
Responses Re: Constant WAL replay  (Alvaro Herrera <alvherre@dcc.uchile.cl>)
List pgsql-hackers
Klaus Naumann <lists@distinctmind.de> writes:
>> what.  Allowing that to be turned off would be interesting for a number
>> of purposes, such as burning a database onto CD.

> FWIW, Oracle suggests a "transportable tablespace" for this feature.
> Which is a tablespace that is not written too and which can be read by
> any database.
> Would that solve the purposes you mean?

It's a very long way from here to there.  In particular, since different
installations have different transaction histories, the XIDs in the
table could not be transportable.  You'd almost be forced to build
something like the non-MVCC, XID-less table type that was being
speculated about up-thread.
        regards, tom lane


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