Hi ShaoFeng, Thanks for the info!
-Joel On Thu, Jun 9, 2016 at 8:15 PM, ShaoFeng Shi <[email protected]> wrote: > Hi Joel, > > Kylin calculates the split keys during cube building; once a segment be > built, it (and the htable) is immutable (no data be inserted/deleted), so > there is no need to rebalance; > > From 1.5.2, the "kylin.hbase.region.cut" determins the size of a region; > But as Kylin calculates the split keys by estimation; the real size of a > region may vary a little; > > The link in the code is out of date and mis-leading, will remove that > soon; > > 2016-06-09 14:36 GMT+08:00 Joel Victor <[email protected]>: > >> Hi, >> >> Can some one please explain why region splitting for HBase has been >> disabled? Is it the case that the Kylin cube job determines the region >> size using the kylin.hbase.region.cut property in kylin.properties? >> If so, what are the other configuration parameters that determine region >> split in HBase? >> >> The link in the code says ConstantSizeRegionSplitPolicy but the code has >> DisabledRegionSplitPolicy.[1] >> Also the ConstantSizeRegionSplitPolicy link in the code does not work. >> >> >> [1] >> https://github.com/apache/kylin/blob/master/storage-hbase/src/main/java/org/apache/kylin/storage/hbase/steps/CubeHTableUtil.java#L61 >> > > > > -- > Best regards, > > Shaofeng Shi > >
