Re: Point in Time Recovery - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Point in Time Recovery
Date
Msg-id 15780.1089728984@sss.pgh.pa.us
Whole thread Raw
In response to Re: Point in Time Recovery  (Simon Riggs <simon@2ndquadrant.com>)
Responses Re: Point in Time Recovery  (Simon Riggs <simon@2ndquadrant.com>)
List pgsql-hackers
Simon Riggs <simon@2ndquadrant.com> writes:
> Please tell me that we can ignore the state of the clog,

We can.

The reason that keeping track of timelines is interesting for xlog is
simply to take pity on the poor DBA who needs to distinguish the various
archived xlog files he's got laying about, and so that we can detect
errors like supplying inconsistent sets of xlog segments during restore.

This does not apply to clog because it's not archived.  It's no more
than a data file.  If you think you have trouble recreating clog then
you have the same issues recreating data files.
        regards, tom lane


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