ShaoFeng Shi is right, kylin use hive command to generate intermediate table(take it as source data), and use hcatlog get data from hive in step2, hive performance does have an impact on Kylin's performance, so a newer version is recommended。
2016-01-20 8:05 GMT+08:00 ShaoFeng Shi <shaofeng...@apache.org>: > Only the first step actually, Kylin runs "hive -e" command to create an > intermediate table; The following steps are running MR over the files under > that table. > > 2016-01-20 4:18 GMT+08:00 zhong zhang <zzaco...@gmail.com>: > > > Hi Yu and Everyone, > > > > Just a little bit supplement, Hive definitely involves in the step of > > Create > > Intermediate Flat Hive Table and Build Dimension Dictionary. The question > > is that does Hive involve in the following steps of building cuboids? > > > > Best regards, > > Zhong > > > > On Sun, Jan 17, 2016 at 10:35 PM, yu feng <olaptes...@gmail.com> wrote: > > > > > Firstly, kylin do not distinguish which kind table in hive, if only > you > > > can query it in hive, so the table can be normal table, external table, > > > view or table with some serdes. > > > then I think it is hard to build cube backward along the time in kylin. > > > maybe someone has some good ideas at this point. > > > > > > 2016-01-18 11:04 GMT+08:00 zhong zhang <zzaco...@gmail.com>: > > > > > > > Hi All, > > > > > > > > I'm wondering can I build the Kylin cube backward along the time. > More > > > > specifically, can I build the cube from the current time to six > months > > > ago > > > > and then from six months ago to 12 months ago and go on? In this > way, I > > > can > > > > have the latest six months' cube result first. > > > > > > > > It's well known that the input of Kylin cube is hive table. Does it > > make > > > > any difference > > > > between using internal hive table and external hive table when > building > > > the > > > > cube? > > > > > > > > Best regards, > > > > Zhong > > > > > > > > > > > > > -- > Best regards, > > Shaofeng Shi >
