Thanks for the update. I got the idea; it also works in our case. I read the last post by Rob; this feature has been posted before, and there seems no such an easy way to figure it out. Any way, the manual operation can solve our problem. Thanks a lot!
2010/8/20 Oleg Anastasjev <olega...@gmail.com> > Chen Xinli <chen.daqi <at> gmail.com> writes: > > > would you pls describe the manual operation with more details? > > I have not found any related information. > > > Um, this is code of our in-house implementation of cassandra client > libraries. > The main idea is that normally clients query ring and work directly with > nodes > found in ring until they detect failure or slow down of a particular node. > Then clients fail over to the next node in ring automatically. Failed node > is > placed by clients to failed nodes list and will not ever be used by clients > operator's command. This command is not to cassandra servers, but to > clients > saying to exclude node from failed nodes list. > > And there is procedure, that operator should inspect, did failed node > finished > hinted handoff prior issuing this command to clients. > > If we'd have possibility to inspect this condition automatically, we'd > eliminated this manual inspection from our workflow. > > > > -- Best Regards, Chen Xinli