Yup. That makes sense. All ~150 minor fragments seem under a sing;e major fragment though. I should dig in further to see what's going on here.
-H+ 2015-10-28 16:14 GMT-07:00 Jacques Nadeau <[email protected]>: > Max width per node is per major fragment per node, not per query. > > So you should see no more than 60 minor fragments for any particular major > fragment. > > Remember that in most cases, a multi-major-fragment query has blocking > operations in it. > > -- > Jacques Nadeau > CTO and Co-Founder, Dremio > > On Wed, Oct 28, 2015 at 4:11 PM, Hanifi GUNES <[email protected]> wrote: > > > On a 10 node cluster, I am executing a query with the following > > > > *alter session set `planner.width.max_per_node`=6;* > > > > and see 153 minor fragments reported in the profiles tab whereas I would > > expect a max parallelization of 60 cluster-wide. > > > > Is not this option bounding the max # of threads per query per node? > Need a > > second look here. > > > > > > Thanks. > > -Hanifi > > >
