On 04/17/2018 04:05 PM, Hackety Man wrote: > Hi Pavel, > > Thanks for sharing that information. I was not aware that the parallel > query functionality was not yet fully implemented. > Nothing is ever "fully implemented". There are always gaps and possible improvements ;-) That being said, parallelism opens an entirely new dimension of possible plans and planning issues. regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services