Thanks Allan. Then, why is it a problem of having too many column families? If there are column families with no data, would that cause any issues?
Thanks. Antonio. On Tue, Nov 13, 2018 at 7:09 PM Allan Yang <allan...@apache.org> wrote: > No, Every column family has its own memstore. Each one is 128MB in your > case. When flushing, the flusher will choose those memstore who satisfy > certain conditions, so it is possible that not every column family(Store) > will flush the memstore. > Best Regards > Allan Yang > > > Antonio Si <antonio...@gmail.com> 于2018年11月14日周三 上午7:34写道： > > > Hi, > > > > I would like to confirm my understand. > > > > Let's say I have 13 column families in a hbase table. 11 of those column > > families have no data, which 2 column families have large amount of data. > > > > My understanding is that the size of memstore, which is 128M in my env, > > will be shared across all column families even though there is no data in > > that column families. Is my understanding correct? > > > > Thanks in advance. > > > > Antonio. > > >
