Looking at the list of pull requests it looks like this is the ticket: https://issues.apache.org/jira/browse/SPARK-24867
On Thu, Jul 19, 2018 at 5:25 PM Reynold Xin <r...@databricks.com> wrote: > I don't think my ticket should block this release. It's a big general > refactoring. > > Xiao do you have a ticket for the bug you found? > > > On Thu, Jul 19, 2018 at 5:24 PM Saisai Shao <sai.sai.s...@gmail.com> > wrote: > >> Hi Xiao, >> >> Are you referring to this JIRA ( >> https://issues.apache.org/jira/browse/SPARK-24865)? >> >> Xiao Li <gatorsm...@gmail.com> 于2018年7月20日周五 上午2:41写道: >> >>> dfWithUDF.cache() >>> dfWithUDF.write.saveAsTable("t") >>> dfWithUDF.write.saveAsTable("t1") >>> >>> >>> Cached data is not being used. It causes a big performance regression. >>> >>> >>> >>> >>> 2018-07-19 11:32 GMT-07:00 Sean Owen <sro...@gmail.com>: >>> >>>> What regression are you referring to here? A -1 vote really needs a >>>> rationale. >>>> >>>> On Thu, Jul 19, 2018 at 1:27 PM Xiao Li <gatorsm...@gmail.com> wrote: >>>> >>>>> I would first vote -1. >>>>> >>>>> I might find another regression caused by the analysis barrier. Will >>>>> keep you posted. >>>>> >>>>> >>>