On Thu, Mar 1, 2018 at 8:25 PM, Andres Freund <and...@anarazel.de> wrote:
> On 2018-02-02 11:37:34 +1300, Thomas Munro wrote:
>> > 3. pg_upgrade isn't considered.  This patch should provide upgrading SLRUs
>> > to adopt changed useful size of page.  That seems to be hardest patch of
>> > this patch to be written.
>> +1
>> I think we'd want pg_upgrade tests showing an example of each SLRU
>> growing past one segment, and then being upgraded, and then being
>> accessed in various different pages and segment files, so that we can
>> see that we're able to shift the data to the right place successfully.
>> For example I think I'd want to see that a single aborted transaction
>> surrounded by many committed transactions shows up in the right place
>> after an upgrade.
> This patch is in the 2018-03 CF, but I don't see any progress since the
> last comments. As it has been Waiting on author since the last CF, I
> think we should mark this as returned with feedback.


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

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