Yes, cassandra only reads the configuration when it starts up. However seed nodes are only used when a node starts. After that they aren't needed. There should be no reason to restart your cluster after adding a seed node to your cluster.
On Tue, Dec 7, 2010 at 2:09 AM, aaron morton <aa...@thelastpickle.com>wrote: > You will need to restart the nodes for them to pickup changes in > cassandra.yaml > > > Aaron > > On 7 Dec 2010, at 16:32, lei liu wrote: > > Thanks Nick. > > After I add the new node as seed node in the configuration for all of my > nodes, do I need to restart all of my nodes? > > 2010/12/7 Nick Bailey <n...@riptano.com> > >> The node can be set as a seed node at any time. It does not need to be a >> seed node when it joins the cluster. You should remove it as a seed node, >> set autobootstrap to true and let it join the cluster. Once it has joined >> the cluster you should add it as a seed node in the configuration for all of >> your nodes. >> >> >> On Mon, Dec 6, 2010 at 9:59 AM, lei liu <liulei...@gmail.com> wrote: >> >>> Thank Jonathan for your reply. >>> >>> How can I bootstrap the node into cluster, I know if the node is seed >>> node, I can't set AutoBootstrap to true. >>> >>> 2010/12/6 Jonathan Ellis <jbel...@gmail.com> >>> >>>> set it as a seed _after_ bootstrapping it into the cluster. >>>> >>>> On Mon, Dec 6, 2010 at t5:01 AM, lei liu <liulei...@gmail.com> wrote: >>>> > After one seed node crash, I want to add one node as seed node, I set >>>> > auto_bootstrap to true, but the new node don't migrate data from other >>>> > node s. >>>> > >>>> > How can I add one new seed node and let the node to migrate data from >>>> other >>>> > nodes? >>>> > >>>> > >>>> > >>>> > Thanks, >>>> > >>>> > LiuLei >>>> > >>>> >>>> >>>> >>>> -- >>>> Jonathan Ellis >>>> Project Chair, Apache Cassandra >>>> co-founder of Riptano, the source for professional Cassandra support >>>> http://riptano.com >>>> >>> >>> >> > >