Peter Geoghegan wrote:

> This doesn't seem that interesting, but not sure what you're looking for.
> 
> I also attach cycles flamegraph.

I may be blind, but what are those write() calls attributed to
heap_form_tuple?

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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