Sorry, maybe I missed the version , I am using the 0.4.1-snapshot, which is build from the SVN code, maybe this is the root cause of "Rack-aware bootstrapping not supported...".
-Santal 2009/11/2 Paderno Giampaolo <giampaolo.pade...@yoox.com> > Yes we already tried your suggested configuration but it doesn't work: > every time we try to write to a rack-aware node we get the exception: > java.lang.UnsupportedOperationException: Rack-aware bootstrapping not > supported... It's really strange to me that this config is working on your > environment, maybe we're missing something but I can't figure out what and > where... in the meantime we're trying the workaround suggested by Jonathan. > > Regards > Giampaolo > > > -----Original Message----- > From: Santal Li [mailto:santal...@gmail.com] > Sent: sabato 31 ottobre 2009 9.36 > To: cassandra-dev@incubator.apache.org > Subject: Re: bootstrap & rack aware on Cassandra4.1 > > In 0.4.1, you can using bellow configure to make RackAwareStrategy work: > > bash>vi storage-conf.xml > > <!-- > ~ Strategy: Setting this to the class that implements > ~ IReplicaPlacementStrategy will change the way the node picker works. > ~ Out of the box, Cassandra provides > ~ org.apache.cassandra.locator.RackUnawareStrategy and > ~ org.apache.cassandra.locator.RackAwareStrategy (place one replica in > ~ a different datacenter, and the others on different racks in the same > ~ one.) > --> > > > <ReplicaPlacementStrategy>org.apache.cassandra.locator.RackAwareStrategy</ReplicaPlacementStrategy> > > It will using IP address to make aware different DC: > 192.168.0.1 - 192.168.0.2 --> same DC , same Rack > 192.168.0.1 - 192.168.1.2 --> same DC , different Rack > 192.168.0.1 - 192.169.0.2 --> different DC > > > I had test it in my lab, things works fine. > If you meet problem in test, I can provide help. > > Regards > -Santal > > > > 2009/10/31 Jonathan Ellis <jbel...@gmail.com> > > > Oh, I misunderstood -- you're not trying to bootstrap, but getting > > this error anyway. > > > > I'd probably call this "wontfix" for 0.4 since the fix is basically > > all the work on ReplicationStrategy that's been done for 0.5, which > > shouldn't be backported to a stable release imo. The silver lining is > > that 0.5 will be out soon. > > > > If you want a workaround in the meantime, make > > getWriteStorageEndPoints just return getReadStorageEndPoints(token) > > which will not treat bootstrap nodes correctly but it should work fine > > otherwise. :) > > > > -Jonathan > > > > On Fri, Oct 30, 2009 at 10:39 AM, Paderno Giampaolo > > <giampaolo.pade...@yoox.com> wrote: > > > Thanks for the reply, in the meantime it's possible to manage replica > > between two datacenter with 0.4.1 even without bootstrap? In other words > is > > it possible to write on a rack-aware node? If so can you post me a sample > > configuration? > > > > > > Thanks > > > > > > -----Original Message----- > > > From: Jonathan Ellis [mailto:jbel...@gmail.com] > > > Sent: venerdì 30 ottobre 2009 17.28 > > > To: cassandra-dev@incubator.apache.org > > > Subject: Re: bootstrap & rack aware on Cassandra4.1 > > > > > > Right, rack-aware (really, endpointsnitch-aware) bootstrap isn't > > supported > > > until 0.5, which trunk will become probably some time in November. > > > > > > On Fri, Oct 30, 2009 at 9:26 AM, Paderno Giampaolo < > > > giampaolo.pade...@yoox.com> wrote: > > > > > >> Hi all, we experienced that writing on a rack aware node we get the > > >> following error: > > >> > > >> > > >> > > >> ERROR [pool-1-thread-1] 2009-10-30 15:48:55,467 StorageProxy.java > (line > > >> 179) error writing key 13345671 > > >> > > >> java.lang.UnsupportedOperationException: Rack-aware bootstrapping not > > >> supported > > >> > > >> at > > >> > > > org.apache.cassandra.locator.RackAwareStrategy.getWriteStorageEndPoints(RackAwareStrategy.java:132) > > >> > > >> at > > >> > > > org.apache.cassandra.locator.AbstractReplicationStrategy.getHintedStorageEndPoints(AbstractReplicationStrategy.java:69) > > >> > > >> at > > >> > > > org.apache.cassandra.service.StorageService.getHintedStorageEndpointMap(StorageService.java:982) > > >> > > >> at > > >> > > > org.apache.cassandra.service.StorageProxy.insertBlocking(StorageProxy.java:151) > > >> > > >> at > > >> > > > org.apache.cassandra.service.CassandraServer.doInsert(CassandraServer.java:468) > > >> > > >> at > > >> > > > org.apache.cassandra.service.CassandraServer.insert(CassandraServer.java:421) > > >> > > >> at > > >> > > > org.apache.cassandra.service.Cassandra$Processor$insert.process(Cassandra.java:824) > > >> > > >> at > > >> > > > org.apache.cassandra.service.Cassandra$Processor.process(Cassandra.java:627) > > >> > > >> at > > >> > > > org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253) > > >> > > >> at > > >> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) > > >> > > >> at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown > > >> Source) > > >> > > >> at java.lang.Thread.run(Unknown Source) > > >> > > >> > > >> > > >> We haven't understand how bootstrap works in Cassandra and how to > enable > > or > > >> disable it. > > >> > > >> With trunk version everything works properly. > > >> > > >> > > >> > > >> Thanks > > >> > > >> > > >> > > >> Giampaolo Paderno > > >> > > >> Software Factory Developer > > >> > > >> YOOX Group > > >> > > >> Via Nannetti 1, 40069 Zola Predosa, Bologna, Italia > > >> > > >> T +39 051 6184211 > > >> > > >> F +39 051 6184215 > > >> > > >> giampaolo.pade...@yoox.com > > >> > > >> > > >> > > >> [image: http://cdn2.yoox.biz/signature/yooxygen.jpg] > > >> > > >> Please consider the environment before printing this e-mail. > > >> > > >> > > >> > > >> *NOTICE: The information contained in this message is confidential, > > >> intended only for the use of the individual or entity named above.* > > >> > > >> *If you are not the intended recipient, please notify us immediately > by > > >> telephone or e-mail and destroy this communication. Thank you**.* > > >> > > > > > >
