Ok you absolutly right and I look to prevent this. So my question might be stupid but why the timeUUID will distribute better ?
On Tue, Dec 22, 2009 at 9:55 PM, Eric Evans <[email protected]> wrote: > On Tue, 2009-12-22 at 21:32 +0200, Richard Grossman wrote: > > Don't understand your last statement "(though so does date-based > > strings and OrderPreservingPartioner)." > > What do you mean that using TimeUUID provide a better distribution > > when using OrderPreservingPartioner. Or there is no effect if using > > OrderPreservingPartioner > > I mean that if you are using a namespace that is based on some date/time > range, and you partition that up into smaller date/time ranges, and then > store time series data, your data will be written to the node that > corresponds to the date/time, and not to any of the others. > > Imagine that you have 5 nodes and they are partitioned: > > A -> 2009 > B -> 2010 > C -> 2011 > D -> 2012 > E -> 2013 > > Any writes occurring between now and Jan 1, 2010 will go to node A, at > which point all writes will go to node B for the 365 days that follow, > and so on. > > -- > Eric Evans > [email protected] > >
