You should read http://wiki.apache.org/cassandra/Operations before running loadbalance.
On Mon, Mar 14, 2011 at 5:27 PM, Sasha Dolgy <sdo...@gmail.com> wrote: > With my six node cluster ... nodetool loadbalance should be run on one > node or all six? I run it on one and the ownership percentage gets > even more unbalanced. So... in the spirit of the evening, I run it on > another node ..... as you see, the ownership % keeps increasing and > the token numbers keep increasing. is this expected? I would have > hoped that the behaviour would be a little bit different. Maybe I've > missed something big.... > > > > Address Status State Load Owns Token > > 124804735337540159479107746638263794797 > 10.0.0.1 Up Normal 225 KB 40.78% > 24053088190195663439419935163232881936 > 10.0.0.2 Up Normal 201.21 KB 19.17% > 56667357399723182105247119364967854254 > 10.0.0.3 Up Normal 213.15 KB 17.61% > 86624712919272143003828971968762407027 > 10.0.0.4 Up Normal 214.54 KB 11.22% > 105714724128406151241468359303513100912 > 10.0.0.5 Up Normal 206.39 KB 5.61% > 115259729732973155360288052970888447854 > 10.0.0.6 Up Normal 242.93 KB 5.61% > 124804735337540159479107746638263794797 > > > Address Status State Load Owns Token > > 124804735337540159479107746638263794797 > 10.0.0.2 Up Normal 206.15 KB 59.95% > 56667357399723182105247119364967854254 > 10.0.0.3 Up Normal 218.1 KB 17.61% > 86624712919272143003828971968762407027 > 10.0.0.4 Up Normal 219.48 KB 11.22% > 105714724128406151241468359303513100912 > 10.0.0.5 Up Normal 216.31 KB 5.61% > 115259729732973155360288052970888447854 > 10.0.0.1 Up Normal 224.32 KB 2.81% > 120032232535256657419697899804576121325 > 10.0.0.6 Up Normal 242.93 KB 2.81% > 124804735337540159479107746638263794797 > > > Address Status State Load Owns Token > > 124804735337540159479107746638263794797 > 10.0.0.3 Up Normal 218.1 KB 77.56% > 86624712919272143003828971968762407027 > 10.0.0.4 Up Normal 225.71 KB 11.22% > 105714724128406151241468359303513100912 > 10.0.0.5 Up Normal 216.31 KB 5.61% > 115259729732973155360288052970888447854 > 10.0.0.1 Up Normal 224.32 KB 2.81% > 120032232535256657419697899804576121325 > 10.0.0.2 Up Normal 201.21 KB 1.40% > 122418483936398408449402823221419958061 > 10.0.0.6 Up Normal 242.93 KB 1.40% > 124804735337540159479107746638263794797 > > Address Status State Load Owns Token > > 124804735337540159479107746638263794797 > 10.0.0.4 Up Normal 225.71 KB 88.78% > 105714724128406151241468359303513100912 > 10.0.0.5 Up Normal 225.61 KB 5.61% > 115259729732973155360288052970888447854 > 10.0.0.1 Up Normal 224.32 KB 2.81% > 120032232535256657419697899804576121325 > 10.0.0.2 Up Normal 201.21 KB 1.40% > 122418483936398408449402823221419958061 > 10.0.0.3 Up Normal 218.13 KB 0.70% > 123611609636969283964255284929841876429 > 10.0.0.6 Up Normal 242.93 KB 0.70% > 124804735337540159479107746638263794797 > > > Address Status State Load Owns Token > > 124804735337540159479107746638263794797 > 10.0.0.5 Up Leaving 225.61 KB 94.39% > 115259729732973155360288052970888447854 > 10.0.0.1 Up Normal 214.39 KB 2.81% > 120032232535256657419697899804576121325 > 10.0.0.2 Up Normal 201.21 KB 1.40% > 122418483936398408449402823221419958061 > 10.0.0.3 Up Normal 218.13 KB 0.70% > 123611609636969283964255284929841876429 > 10.0.0.4 Up Normal 220.77 KB 0.35% > 124208172487254721721681515784052835613 > 10.0.0.6 Up Normal 248.08 KB 0.35% > 124804735337540159479107746638263794797 > > > > 124804735337540159479107746638263794797 > 10.0.0.1 Up Normal 214.39 KB 97.19% > 120032232535256657419697899804576121325 > 10.0.0.2 Up Normal 205.47 KB 1.40% > 122418483936398408449402823221419958061 > 10.0.0.3 Up Normal 218.13 KB 0.70% > 123611609636969283964255284929841876429 > 10.0.0.4 Up Normal 220.77 KB 0.35% > 124208172487254721721681515784052835613 > 10.0.0.5 Up Normal 220.63 KB 0.18% > 124506453912397440600394631211158315205 > 10.0.0.6 Up Normal 248.08 KB 0.18% > 124804735337540159479107746638263794797 > > > 97.19% ... awesome. > > > On Mon, Mar 14, 2011 at 10:47 PM, Narendra Sharma > <narendra.sha...@gmail.com> wrote: >> On the same page there is a section on Load Balance that talks about python >> script to compute tokens. I believe your question is more about assigning >> new tokens and not compute tokens. >> >> 1. "nodetool loadbalance" will result in recomputation of tokens. It will >> pick tokens based on the load and not the once assigned by you. >> 2. You can either use decommission and bootstrap with new tokens OR Use >> "nodetool move" >> >> Thanks, >> Naren > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
