Excatly the info I needed. Thanks Daniel
> On 3 בספט׳ 2015, at 09:02, sreebalineni . <sreebalin...@gmail.com> wrote: > > Hi, > > Is not it that you should set it true, by default it is disabled which is > false. > Hive analyzes the size of each map-reduce job in a query and may run it > locally if the following thresholds are satisfied: > The total input size of the job is lower than: > hive.exec.mode.local.auto.inputbytes.max (128MB by default) > The total number of map-tasks is less than: > hive.exec.mode.local.auto.tasks.max (4 by default) > The total number of reduce tasks required is 1 or 0. > So for queries over small data sets, or for queries with multiple map-reduce > jobs where the input to subsequent jobs is substantially smaller (because of > reduction/filtering in the prior job), jobs may be run locally. > so we may need to check the sizeof your input, which version of hive are you > using? it can work only from Hive 0.7 onwards > >> On Wed, Sep 2, 2015 at 4:46 PM, Daniel Haviv >> <daniel.ha...@veracity-group.com> wrote: >> Hi, >> I would like to disable the optimization where a query that just selects >> data is running without mapreduce (local mode). >> hive.exec.mode.local.auto is set to false but hive still runs in local mode >> for some queries. >> >> How can I disable local mode completely? >> >> Thank you. >> Daniel >
