Re: [HACKERS] Write Ahead Logging for Hash Indexes

On Fri, Mar 10, 2017 at 8:02 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> I was thinking that we will use REGBUF_NO_IMAGE flag as is used in
> XLOG_HEAP2_VISIBLE record for heap buffer, that will avoid any extra
> I/O and will make it safe as well.  I think that makes registering the
> buffer safe without setting LSN for XLOG_HEAP2_VISIBLE record.

Hmm, yeah, that might work, though I would probably want to spend some
time studying the patch and thinking about it before deciding for
sure.

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