To unsubscribe, please send a message to user-unsubscr...@hive.apache.org as described here: Mailing Lists <http://hive.apache.org/mailing_lists.html>. Thanks.
-- Lefty On Sat, Apr 16, 2016 at 12:12 AM, 469564481 <469564...@qq.com> wrote: > > I do not want to receive email .Thaks! > > ------------------ Original ------------------ > *From: * "Jörn Franke";<jornfra...@gmail.com>; > *Date: * Sat, Apr 16, 2016 03:10 PM > *To: * "user"<user@hive.apache.org>; > *Subject: * Re: Mappers spawning Hive queries > > Just out of curiosity, what is the use case behind this? > > How do you call the shell script? > > > On 16 Apr 2016, at 00:24, Shirish Tatikonda <shirish.tatiko...@gmail.com> > wrote: > > > > Hello, > > > > I am trying to run multiple hive queries in parallel by submitting them > through a map-reduce job. > > More specifically, I have a map-only hadoop streaming job where each > mapper runs a shell script that does two things -- 1) parses input lines > obtained via streaming; and 2) submits a very simple hive query (via hive > -e ...) with parameters computed from step-1. > > > > Now, when I run the streaming job, the mappers seem to be stuck and I > don't know what is going on. When I looked on resource manager web UI, I > don't see any new MR Jobs (triggered from the hive query). I am trying to > understand this behavior. > > > > This may be a bad idea to begin with, and there may be better ways to > accomplish the same task. However, I would like to understand the behavior > of such a MR job. > > > > Any thoughts? > > > > Thank you, > > Shirish > > >
