What was your Impala version before and what is it now? How fast was it before and how fast is it now?
On Thu, Apr 6, 2017 at 9:16 PM, 吴朱华 <[email protected]> wrote: > Hi guys: > > Is there any change on metadata loading? The metadata loading used to > 10sec. > > 2017-03-23 12:42 GMT+08:00 吴朱华 <[email protected]>: > >> thx^_^ >> >> 2017-03-23 11:51 GMT+08:00 Henry Robinson <[email protected]>: >> >>> If your build does not have runtime filters (which are a little more >>> than a year old), then the answer is yes: you should upgrade. >>> >>> Performance in general has been improving steadily over the last year. >>> >>> On 22 March 2017 at 20:36, 吴朱华 <[email protected]> wrote: >>> >>>> The question is there any big join perf related improvement has >>>> implemented? Thx >>>> >>>> 2017-03-23 11:34 GMT+08:00 吴朱华 <[email protected]>: >>>> >>>> > Hi guys: >>>> > >>>> > I am currently using my one year old build (I guess 2016.3 >>>> CDH5-Trunk), >>>> > now I am facing a lot of join query situation(two big table joins), >>>> do I >>>> > need to upgrade my one year old build for potential join perf >>>> improvement? >>>> > Thx at advance^_^ >>>> > >>>> >>> >>> >> >
