Drill doesn't currently cache data and relies on the underlying file system cache.
Also, json is not splittable so adding nodes with a single json file will generally have little impact. On Oct 29, 2014 9:48 PM, "Tridib Samanta" <[email protected]> wrote: > select count(*) from myhdfs.json.`x00.json`; > > Surprising thing is, I get same performance when I use 1 drillbit compare > to 4 drillbits. > > > Date: Thu, 30 Oct 2014 10:08:04 +0530 > > Subject: Re: Enable caching in Drill > > From: [email protected] > > To: [email protected] > > > > The query didn't get through :-). > > > > > > --- > > Mufeed Usman > > My LinkedIn <http://www.linkedin.com/pub/mufeed-usman/28/254/400> | My > > Social Cause <http://www.vision2016.org.in/> | My Blogs : LiveJournal > > <http://mufeed.livejournal.com> > > > > > > > > > > On Thu, Oct 30, 2014 at 2:54 AM, Tridib Samanta <[email protected] > > > > wrote: > > > > > Hello, > > > I am doing a count query like bellow. I understand that it will take > long > > > time at first attempt. But not sure why it takes same time in > subsequent > > > execution. Will I have to enable caching or something like that? > > > > > > Thanks > > > Tridib > > > >
