On Sep 13, 2012, at 1:54 PM, Jonas Tehler <jo...@tehler.se> wrote: > > Hi > > The plan was to use autoscaling for replacing a node that had failed for some > reason, not for scaling it up and down based on load. If a node fails I would > like it replaced as soon as possible and without manual intervention.
Ah, cool. > > But perhaps you are right in that I should do this manually until I am more > familiar with Riak. Yes, and for now anyway, you will have to write your own scripts to do this. For this specific scenario, you should look into the replace [1] command. [1] http://wiki.basho.com/Replacing-a-Node.html (note that this requires Riak >= 1.2.0) Reid > > / Jonas > > > On 13 sep 2012, at 19:50, Reid Draper <reiddra...@gmail.com> wrote: > >> Jonas, >> >> I'd be weary of 'autoscaling' a cluster. While it seems nice in theory, >> rebalancing >> data when a node is added or removed from the cluster can be expensive. >> I'd recommend having a human involved, at least until you have a bit more >> experience administering a cluster. >> >> To answer your question, yes, you'll have to write the code yourself to >> remove >> the node. >> >> Reid >> >> >> On Sep 13, 2012, at 1:30 PM, Jonas Tehler <jo...@tehler.se> wrote: >> >>> >>> Hi >>> >>> I'm setting up a Riak cluster on some EC2 servers running Ubuntu. The goal >>> is to use autoscaling to make sure that I always have the right number of >>> nodes online. >>> >>> When I kill one node (shut down the server, it's gone permanently) and then >>> start a new server to replace it (with a new name) the new server can't >>> join the cluster because it can't communicate with the dead node. It works >>> if I manually mark the dead node as down and remove it form the cluster but >>> I would like that to happen automatically (perhaps after a timeout). >>> >>> Do I have to write my own code that detects this situation and removes the >>> dead node from the cluster or is there a way to configure Riak to do this >>> for me? >>> >>> / Jonas >>> _______________________________________________ >>> riak-users mailing list >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> >> >> >> >> -- >> >> CronLab scanned this message. We don't think it was spam. If it was, >> please report by copying this link into your browser: >> https://swe02.antispam.cronlab.com/mail/index.php?id=95E2DADE0B9.A747C-&learn=spam&host=212.91.140.36 >> >
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