Try running "describe cluster" from Cassandra-CLI to see if all nodes have the same schema version.
Rahul Neelakantan > On Aug 5, 2014, at 6:13 AM, Sylvain Lebresne <sylv...@datastax.com> wrote: > >> On Tue, Aug 5, 2014 at 11:40 AM, Lu, Boying <boying...@emc.com> wrote: >> What I want to know is “are the strategy changed ?’ after the ‘udpate >> keyspace with strategy_options…’ command returns successfully >> > > Like all schema changes, not necessarily on all nodes. You will have to check > for schema agreement between nodes. > > >> Not the data change. >> >> >> >> e.g. say I run the command ‘update keyspace with strategy_opitons [dc1: 3, >> dc2:3]’ , when this command returns, >> >> are the strategy options already changed? Or I need to wait some time for >> the strategy to be changed? >> >> >> >> >> >> From: Sylvain Lebresne [mailto:sylv...@datastax.com] >> Sent: 2014年8月5日 16:59 >> To: user@cassandra.apache.org >> >> >> Subject: Re: A question about using 'update keyspace with strategyoptions' >> command >> >> >> Changing the strategy options, and in particular the replication factor, >> does not perform any data replication by itself. You need to run a repair to >> ensure data is replicated following the new replication. >> >> >> >> On Tue, Aug 5, 2014 at 10:52 AM, Lu, Boying <boying...@emc.com> wrote: >> >> Thanks. yes. I can use the ‘show keyspace’ command to check and see the >> strategy does changed. >> >> >> >> But what I want to know is if the ‘update keyspace with strategy_options …’ >> command is >> >> a ‘sync’ operation or a ‘async’ operation. >> >> >> >> >> >> >> >> From: Rahul Menon [mailto:ra...@apigee.com] >> Sent: 2014年8月5日 16:38 >> To: user >> Subject: Re: A question about using 'update keyspace with strategyoptions' >> command >> >> >> >> Try the show keyspaces command and look for "Options" under each keyspace. >> >> >> >> Thanks >> >> Rahul >> >> >> >> On Tue, Aug 5, 2014 at 2:01 PM, Lu, Boying <boying...@emc.com> wrote: >> >> Hi, All, >> >> >> >> I want to run ‘update keyspace with strategy_options={dc1:3, dc2:3}’ from >> cassandra-cli to update the strategy options of some keyspace >> >> in a multi-DC environment. >> >> >> >> When the command returns successfully, does it mean that the strategy >> options have been updated successfully or I need to wait >> >> some time for the change to be propagated to all DCs? >> >> >> >> Thanks >> >> >> >> Boying >> >
