May I know why? Sent from my iPhone
> On Jan 27, 2018, at 12:36 PM, Jeff Jirsa <jji...@gmail.com> wrote: > > Yes it causes issues > > > -- > Jeff Jirsa > > >> On Jan 27, 2018, at 12:17 PM, Kant Kodali <k...@peernova.com> wrote: >> >> Schema changes I assume you guys are talking about different create table or >> alter table statements. What if multiple threads issue same exact create >> table if not exists statement? Will that cause issues? >> >> Sent from my iPhone >> >>> On Jan 27, 2018, at 11:41 AM, Carlos Rolo <r...@pythian.com> wrote: >>> >>> Don't do that. Worst case you might get different schemas in flight and no >>> agreement on your cluster. If you are already doing that, check "nodetool >>> describecluster" after you do that. >>> >>> Like Jeff said, it is likely to cause problems. >>> >>> Regards, >>> >>> Carlos Juzarte Rolo >>> Cassandra Consultant / Datastax Certified Architect / Cassandra MVP >>> >>> Pythian - Love your data >>> >>> rolo@pythian | Twitter: @cjrolo | Skype: cjr2k3 | Linkedin: >>> linkedin.com/in/carlosjuzarterolo >>> Mobile: +351 918 918 100 >>> www.pythian.com >>> >>>> On Sat, Jan 27, 2018 at 7:25 PM, Jeff Jirsa <jji...@gmail.com> wrote: >>>> It’s not LWT. Don’t do programmatic schema changes that can race, it’s >>>> likely to cause problems >>>> >>>> >>>> -- >>>> Jeff Jirsa >>>> >>>> >>>> > On Jan 27, 2018, at 10:19 AM, Kant Kodali <k...@peernova.com> wrote: >>>> > >>>> > Hi All, >>>> > >>>> > What happens if multiple processes send create table if not exist >>>> > statement to cassandra? will there be any data corruption or any other >>>> > issues if I send "create table if not exist" request often? >>>> > >>>> > I dont see any entry in system.paxos table so is it fair to say "IF NOT >>>> > EXISTS" doesn't automatically imply LWT? >>>> > >>>> > Thanks! >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org >>>> For additional commands, e-mail: user-h...@cassandra.apache.org >>>> >>> >>> >>> -- >>> >>> >>> >>>
