Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ] - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]
Date
Msg-id 20140926184742.GE5311@eldon.alvh.no-ip.org
Whole thread Raw
In response to Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]  (Gavin Flower <GavinFlower@archidevsys.co.nz>)
Responses Re: TODO : Allow parallel cores to be used by vacuumdb [ WIP ]
List pgsql-hackers
Gavin Flower wrote:

> Curious: would it be both feasible and useful to have multiple
> workers process a 'large' table, without complicating things too
> much?  The could each start at a different position in the file.

Feasible: no.  Useful: maybe, we don't really know.  (You could just as
well have a worker at double the speed, i.e. double vacuum_cost_limit).

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



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