Re: pg_upgrade and epoch

On Tue, Apr 22, 2014 at 8:08 PM, Sergey Burladyan <eshkinkot@gmail.com> wrote:
> On Wed, Apr 23, 2014 at 6:38 AM, Sergey Konoplev <gray.ru@gmail.com> wrote:
>> BTW, I didn't manage to make a test case yet. Recently, when I was
>> migrating several servers to skytools3 and upgrading from 9.0 to 9.2,
>> I noticed that epoch was copied, timeline id was >0 after upgrade, but
> ...

Sorry, just noticed a typo: * timeline id = next xid

> This is strange, if I not mistaken XID copied by  copy_clog_xlog_xid(void):
> http://doxygen.postgresql.org/pg__upgrade_8c_source.html#l00398
> and there is no epoch (-e XIDEPOCH) in pg_resetxlog call args

I can only guess here.

+ Bruce Momjian

-- 
Kind regards,
Sergey Konoplev
PostgreSQL Consultant and DBA

http://www.linkedin.com/in/grayhemp
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