Many Thanks Jeff for the answer and the relevant details. Can you please share the bug#?
Are there any opensource tools available for Cassandra which manage schema changes for Cassandra? On Fri, Sep 8, 2017 at 7:57 PM, Jeff Jirsa <jji...@gmail.com> wrote: > There is no lock and it doesn't block existing reads or writes > > You're already on 3.11, but as a reminder for others there's a bug in 3.0 > versions between (3.0.0 and 3.0.14) and (3.0 and 3.11.0) that can cause > corruption when you add columns. It's fixed in both 3.11.0 and 3.0.14, so if > you need to alter your table and you're on a 3.something version that isn't > one of those, upgrade first. > > -- > Jeff Jirsa > > >> On Sep 8, 2017, at 7:13 AM, Deepak Panda <deepak.pa...@gmail.com> wrote: >> >> Hi, >> >> For Cassandra 3.11, when we add a new column is added to an existing >> table having huge number of rows and huge data manipulation going on >> will there be any issues? >> >> Will the operations blocked till the column is added? >> >> Is the table locked during column addition? If yes, what type of lock? >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org >> For additional commands, e-mail: user-h...@cassandra.apache.org >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > For additional commands, e-mail: user-h...@cassandra.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org
