That's cool! Many thanks! :-) 2013/10/15 Jon Haddad <j...@jonhaddad.com>
> It's expected. I think nodetool status is meant to replace nodetool ring. > > On Oct 15, 2013, at 11:45 AM, Paulo Motta <pauloricard...@gmail.com> > wrote: > > Hello, > > I recently did the "Enabling virtual nodes on an existing production > cluster" procedure ( > http://www.datastax.com/documentation/cassandra/1.2/webhelp/cassandra/configuration/configVnodesProduction_t.html), > and noticed that the output of the command "nodetool ring" changes > significantly when virtual nodes are enabled in a new data center. > > Before, it showed only 1 token per node, now it shows 256 tokens per node > (output below). So, that means 256*N entries, which makes the command > unreadable, while before it was pretty useful to check the cluster status > in a human-readable format. Moreover, the command is taking much longer to > execute. > > Is this expected behavior, or did I make any mistake during the procedure? > > Cassandra version: 1.2.10 > > Before it was like this: > > Datacenter: VNodesDisabled > ========== > Replicas: 3 > > Address Rack Status State Load Owns > Token > > 28356863910078205239614050619314017619 > AAA.BBB.CCC.1 x Up Normal 236.49 GB 20.83% > 113427455640312821154458002477256070480 > AAA.BBB.CCC.2 x Up Normal 347.6 GB 29.17% > 77981375752715064543690004203113548455 > AAA.BBB.CCC.3 x Up Normal 332.46 GB 37.50% > 106338614526609105785626408013334622686 > AAA.BBB.CCC.4 x Up Normal 198.94 GB 20.83% > 141784319550391026443072753090570088104 > AAA.BBB.CCC.5 x Up Normal 330.68 GB 33.33% > 92159807707754167187997289512070557265 > AAA.BBB.CCC.6 x Up Normal 268.64 GB 25.00% > 155962751505430129087380028400227096915 > AAA.BBB.CCC.7 x Up Normal 262.43 GB 25.00% > 163051967482949680409533666060055601314 > AAA.BBB.CCC.8 x Up Normal 200.18 GB 16.67% > 1 > AAA.BBB.CCC.9 x Up Normal 189.13 GB 16.67% > 120516671617832372476611040132084574885 > AAA.BBB.CCC.10 x Up Normal 220.7 GB 25.00% > 42535295865117307932921025928971026429 > AAA.BBB.CCC.11 x Up Normal 259.36 GB 25.00% > 35446079887597756610768088274142522024 > AAA.BBB.CCC.12 x Up Normal 270.32 GB 25.00% > 28356863910078205088614550619314017619 > > > Now it is like this: > Datacenter: VNodesEnabled > ========== > Replicas: 3 > > Address Rack Status State Load Owns > Token > > 168998414504718061309167200639854699955 > XXX.YYY.ZZZ.1 y Up Normal 122.84 KB 0.00% > 4176479009577065052560790400565254 > XXX.YYY.ZZZ.1 y Up Normal 122.84 KB 0.00% > 291517050854558940844583227825291566 > XXX.YYY.ZZZ.1 y Up Normal 122.84 KB 0.00% > 389126351568277133928956802249918052 > XXX.YYY.ZZZ.1 y Up Normal 122.84 KB 0.00% > 504218791605899949008255495493335240 > XXX.YYY.ZZZ.2 y Up Normal 122.84 KB 0.00% > 4176479009577065052560790400565254 > XXX.YYY.ZZZ.2 y Up Normal 122.84 KB 0.00% > 291517050854558940844583227825291566 > XXX.YYY.ZZZ.2 y Up Normal 122.84 KB 0.00% > 389126351568277133928956802249918052 > XXX.YYY.ZZZ.2 y Up Normal 122.84 KB 0.00% > 504218791605899949008255495493335240 > XXX.YYY.ZZZ.3 y Up Normal 122.84 KB 0.00% > 4176479009577065052560790400565254 > XXX.YYY.ZZZ.3 y Up Normal 122.84 KB 0.00% > 291517050854558940844583227825291566 > XXX.YYY.ZZZ.3 y Up Normal 122.84 KB 0.00% > 389126351568277133928956802249918052 > XXX.YYY.ZZZ.3 y Up Normal 122.84 KB 0.00% > 504218791605899949008255495493335240 > XXX.YYY.ZZZ.4 y Up Normal 122.84 KB 0.00% > 4176479009577065052560790400565254 > XXX.YYY.ZZZ.4 y Up Normal 122.84 KB 0.00% > 291517050854558940844583227825291566 > XXX.YYY.ZZZ.4 y Up Normal 122.84 KB 0.00% > 389126351568277133928956802249918052 > XXX.YYY.ZZZ.4 y Up Normal 122.84 KB 0.00% > 504218791605899949008255495493335240 > XXX.YYY.ZZZ.5 y Up Normal 122.84 KB 0.00% > 4176479009577065052560790400565254 > XXX.YYY.ZZZ.5 y Up Normal 122.84 KB 0.00% > 291517050854558940844583227825291566 > XXX.YYY.ZZZ.5 y Up Normal 122.84 KB 0.00% > 389126351568277133928956802249918052 > XXX.YYY.ZZZ.5 y Up Normal 122.84 KB 0.00% > 504218791605899949008255495493335240 > XXX.YYY.ZZZ.6 y Up Normal 122.84 KB 0.00% > 4176479009577065052560790400565254 > XXX.YYY.ZZZ.6 y Up Normal 122.84 KB 0.00% > 291517050854558940844583227825291566 > XXX.YYY.ZZZ.6 y Up Normal 122.84 KB 0.00% > 389126351568277133928956802249918052 > XXX.YYY.ZZZ.6 y Up Normal 122.84 KB 0.00% > 504218791605899949008255495493335240 > .... > > > -- Paulo Ricardo -- European Master in Distributed Computing*** Royal Institute of Technology - KTH * *Instituto Superior Técnico - IST* *http://paulormg.com*
