Looks like this is another symptom of https://issues.apache.org/jira/browse/CASSANDRA-150, which is on track to be fixed soon
On Tue, Nov 24, 2009 at 11:19 AM, B. Todd Burruss <bburr...@real.com> wrote: > they all were restarted at various times. > > for vmguest85 the other three are seed nodes. > > > On Mon, 2009-11-23 at 19:21 -0600, Jonathan Ellis wrote: >> So vmquest85 was restarted, but gen-app02 hasn't told it that there >> are 2 other nodes that are down? >> >> Which one is the seed node? >> >> On Mon, Nov 23, 2009 at 6:38 PM, B. Todd Burruss <bburr...@real.com> wrote: >> > i'm observing the following on a cluster that started with 4 nodes. i have >> > been killing and restarting the various nodes as i test cassandra and now >> > i'm seeing a lot of NotFoundException exceptions in the client because what >> > i believe is ring state out of sync between the two nodes that are still up >> > and available. The first ring state shown below reflects the current state >> > of the cluster. Also I have seen similar issues when one of the nodes >> > thinks another node is still available when in fact it has been killed. it >> > seems to be related to bringing up, killing nodes too fast and not letting >> > them figure out when a node is "dead". in this case i see >> > TimedOutException >> > related to NIO SocketChannel class. >> > >> > thx! >> > >> > [cassandra.883477]$ bin/nodeprobe -host gen-app02.dev.real.com -port 8080 >> > ring >> > Address Status Load >> > Range Ring >> > >> > 144038903974614862325597275257769797985 >> > 172.27.128.186Down 22.17 MB >> > 31124469348629903091013930339840898757 |<--| >> > 172.27.128.23 Down 22.17 MB >> > 64378740291415296162944450043143967518 | | >> > 172.27.128.22 Up 22.17 MB >> > 121134220722269938669001112695509564769 | | >> > 172.27.128.185Up 14.69 MB >> > 144038903974614862325597275257769797985 |-->| >> > >> > [cassandra.883477]$ bin/nodeprobe -host vmguest85.prognet.com -port 8080 >> > ring >> > Address Status Load >> > Range Ring >> > >> > 144038903974614862325597275257769797985 >> > 172.27.128.22 Up 22.17 MB >> > 121134220722269938669001112695509564769 |<--| >> > 172.27.128.185Up 14.69 MB >> > 144038903974614862325597275257769797985 |-->| >> > [cassandra.883477]$ >> > >> > >> > > > >