On Tue, May 3, 2016 at 11:46 AM, Kevin Grittner <kgri...@gmail.com> wrote:
>> Uh, I have no idea how this would be fixed if the PageLSN is zero.  Do
>> you?
> Yes, I see three ways, the most obvious of which is what Amit
> suggested -- don't do early vacuum on a table which has a hash index.

What do you mean by "early VACUUM"?  Amit suggested disabling
HOT-pruning, but HOT-pruning happens completely outside of VACUUM.  It
also happens inside VACUUM, so if we disabled HOT pruning, how could
we VACUUM at all?  Sorry, I am confused.

Doesn't this issue also affected indexes on any unlogged table?

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

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