Thank you On Mon, Jun 29, 2020 at 1:01 PM Jeff Jirsa <jji...@gmail.com> wrote:
> When range movements happen (bootstrap and decom are the same here), the > reads go to the existing replicas, and the writes go to both existing and > the gaining replicas. > > This is because the decom (or bootstrap, or move) may fail at any time, so > you need to make sure the consistency contract is maintained whether the > range movement succeeds or fails. > > Quorum calculations are adjusted to accommodate this - for example, if you > have RF=3, and you add a new host , the RF = 3 (existing) + 1 (pending), > quorum becomes 3 of 4. > > On Mon, Jun 29, 2020 at 12:48 PM Jai Bheemsen Rao Dhanwada < > jaibheem...@gmail.com> wrote: > >> Can someone please share thoughts on this? >> >> On Wed, Jun 24, 2020 at 4:25 PM Jai Bheemsen Rao Dhanwada < >> jaibheem...@gmail.com> wrote: >> >>> Hello, >>> >>> I would like to understand how the writes happen when there is a node in >>> the cluster that is being decommissioned. >>> >>> During the decommission process, the node will send the streams to the >>> rest of the nodes that it owns. what happened to the read and write of the >>> data that is owned by the node that is being decommissioned? does it even >>> receive reads and writes or the nodes doesn't receive any writes? >>> >>> >>>
