1) you can re-balance a node with bin/nodetool -h <host> token [<new-token>]
specify a new token manually or let the system guess one. 2) take a look into your system.log to find out why your nodes are dying. 2010/4/26 刘兵兵 <rucb...@gmail.com> > i do some INSERT ,because i will do some scan operations, i use the > OrderPreservingPartition method. > > the state of the cluster is showed below. > > as i predicated the load is very imbalance, and some of the nodes down (in > some nodes,the Cassandra processes died and in others the processes are > > alive but they still down), > > so i have two questions: > > 1)how to do balance after the insert ends? > > 2)why the nodes died? how to make them up again (when the situation is that > the process is alive but the node'state is down) > > thx > > 10.37.17.241 Up 47.65 GB > 0p6ovvUXMJ4cdd1L |<--| > 10.37.17.234 Up 67.41 GB > 5OxiS2DKBZLeISPg | ^ > 10.37.17.235 Up 67.54 GB > 7UDcS0SToePuQACe v | > 10.37.17.246 Up 555 bytes > OCvC3nqKLeKA5n0I | ^ > 10.37.17.233 Up 830 bytes > SJp6cQRNox52av2Y v | > 10.37.17.249 Up 830 bytes > SxVmCVcruOpoS48B | ^ > 10.37.17.247 Up 555 bytes > TGctCMvfNuRo7RjS v | > 10.37.17.245 Up 555 bytes > j2smY0OOtQ0SeeHY | ^ > 10.37.17.250 Up 830 bytes > jNwBPchW58i5tGxp v | > 10.37.17.248 Up 830 bytes > jYWaJC93OyMdWDaN | ^ > 10.37.17.237 Up 830 bytes > mPwhLOsKlbPart6j v | > 10.37.17.236 Up 830 bytes > noh0t8HJgw4hmz7I | ^ > 10.37.17.244 Up 555 bytes > q8c8SPYEkWEzmFcR v | > 10.37.17.238 Up 555 bytes > rIuuq3AR4DVK989X | ^ > 10.37.17.242 Up 555 bytes > smebTmIvQBMG56Zf v | > 10.37.17.243 Up 555 bytes > tWTYyiqAKQVw7197 | ^ > 10.37.17.232 Up 830 bytes > uVdBQkR9Dszm5deK v | > 10.37.17.239 Up 555 bytes > xXQkDQn1vvg8e1xS | ^ > 10.37.17.240 Up 555 bytes > yQRrq9RG2dUsHUyR |-->| > > > -- > Bingbing Liu > > Web and Mobile Data Management lab > > Renmin University of China >