Re: Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-20 Thread Paul Chandler
t 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 CASSANDRA-20118, there is still the

Re: Cassandra 5 Upgrade - Storage Compatibility Modes

2024-12-19 Thread Paul Chandler
while CASSANDRA-20118 improves things, it does not fix these specific issues, unless I have missed something? > On 19 Dec 2024, at 12:17, Brandon Williams wrote: > > On Thu, Dec 19, 2024 at 4:11 AM Paul Chandler wrote: >> C*4 -> CASSANDRA_4 : There is a schema mismatch, and

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

Re: [DISCUSS] 5.1 should be 6.0

2024-12-11 Thread Paul Chandler
I think there is a danger that when in comes to the next upgrade cycle there could be production clusters still running in CASSANDRA_4 mode, as the operators haven’t realised they need to move through the SCM levels. The default setting for a new cluster is CASSANDRA_4 and unless a new operator

Hints ignored during Upgrade from C*4 to C*5

2024-12-02 Thread Paul Chandler via dev
Hi All, I raised a Jira bug last week ( https://issues.apache.org/jira/browse/CASSANDRA-20118 ) We are finding that hints are not being transmitted during the first step of the upgrade process from C*4 to C*5, this seems to be due to the schema mismatch. Full details are in the bug report. Ca

CEP-21 - testing changing IP addresses

2023-12-21 Thread Paul Chandler via dev
the Epic CASSANDRA-19055 or create them standalone? Thanks Paul Chandler

Re: Triggers

2020-12-15 Thread Paul Chandler
Hi Greg, Andy is talking about Cassandra datacenters, which can easily be co located in the same physical datacenter. Paul > On 15 Dec 2020, at 12:10, Greg Oliver wrote: > > That's great in theory, but what if your customer is a national government > (they require their data to remain within