@stack, inline
On Thu, Sep 3, 2009 at 3:15 PM, stack <st...@duboce.net> wrote: > > When does data expire? Or, how many Billions of rows should your cluster > of > 10-20 nodes carry at a time? about 3 months. hundreds of billinons of rows. > > Will the many rows of same timestamp all go into the one timestamp row or > will the key have a further qualifier such as event type to distingush > amongst the updates that arrive at the same timestamp? > will have many rows of same timestamp. we coud distingush row by using other info, if there is no such info in raw data,we may should generate a unique id when pre-pressing phase. > > What do you see the as approximate write rate and what do you think its > spread across timestamps will be? E.g. 10000 updates a second and all of > the updates fit within a ten second window? > in avg, about 40000 new rows per second. > Sorry for all the questions. > > St.Ack >
