Re: Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-20 Thread Brandon Williams
That sounds like a possibility to me on the surface. Kind Regards, Brandon On Fri, Dec 20, 2024 at 8:42 AM Paul Chandler wrote: > > Hi Brandon, > > That sounds good. Will that fix be in 4.1, as it is the old nodes that don’t > transmit the hints? > > Thanks > > Paul > > > On 20 Dec 2024, at 13:

Re: Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-20 Thread Paul Chandler
Hi Brandon, That sounds good. Will that fix be in 4.1, as it is the old nodes that don’t transmit the hints? Thanks Paul > On 20 Dec 2024, at 13:41, Brandon Williams wrote: > > I think after a discussion on #cassandra-dev yesterday, we are going > to remove the requirement for schema agree

Re: Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-20 Thread Brandon Williams
I think after a discussion on #cassandra-dev yesterday, we are going to remove the requirement for schema agreement to deliver hints, as suggested by Jeff Jirsa. Kind Regards, Brandon On Thu, Dec 19, 2024 at 7:43 AM Paul Chandler wrote: > > Hi Brandon, > > I am not sure which part changes after

Re: Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-19 Thread Paul Chandler
Hi Brandon, I am not sure which part changes after CASSANDRA-20118, there is still the system mismatch going to CASSANDRA_4 caused by the change in system.compaction_history, and going to UPGRADING, this is caused by the 2 different sstable formats, so nothing that CASSANDRA-20118 fixes. So w

Re: Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-19 Thread Brandon Williams
On Thu, Dec 19, 2024 at 4:11 AM Paul Chandler wrote: > C*4 -> CASSANDRA_4 : There is a schema mismatch, and hints are not sent from > C*4 node to C*5 nodes. > CASSANDRA_4 -> UPGRADING: Repairs are not possible and Nodes cannot be added > or replaced. > UPGRADING-> NONE: No issues. I'll note thi

Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-19 Thread Paul Chandler
All, As suggested by Scott Andreas I am bringing this discussion to the dev mailing list. A couple of days ago I posted a question on the user mailing list [1] about the storage compatibility modes and whether you can go straight to SCM (NONE) from Cassandra 4. I am currently do some presenta