Re: Cassandra CI Status 2023-01-07

2023-01-10 Thread Josh McKenzie
> I don't believe it warrants a CEP, speak up if you disagree. I agree with this but I'm also biased having been working w/you on this for a bit. My instinct is that most folks on the project want CI that works consistently, quickly, and is minimally complex to modify. So the less disruptive

Re: [DISCUSS] Taking another(other(other)) stab at performance testing

2023-01-10 Thread Henrik Ingo
Since I cited several papers in my essay below, I might as well add the latest one, which describes our use of automatic change point detection inside Datastax. We've indirectly been testing Cassandra 4.0 already over a year with this method, as we use change detection against an internal fork of

Re: upgrade sstable selection

2023-01-10 Thread Claude Warren, Jr via dev
Actually since the Directories.SSTableLister stores the Components in a HashMap indexed by the Descriptor. Since the upgrade/downgrade code retrieves the list in hash order there is no guarantee that they will be in order. I suspect that this is a bug. On Tue, Jan 10, 2023 at 12:34 PM Brandon

Re: upgrade sstable selection

2023-01-10 Thread Brandon Williams
> I think this means that the Directories.SSTableLister on occasion returns > files in the incorrect order during a call to lister.list().entrySet() This seems easy enough to verify by looping it and examining the results. Kind Regards, Brandon On Tue, Jan 10, 2023 at 4:44 AM Claude Warren, Jr

upgrade sstable selection

2023-01-10 Thread Claude Warren, Jr via dev
Greetings, I am working on the downgradesstables code and seem to have a problem with ordering of the downgrade or perhaps the Directories.SSTableLister I lifted the code from upgradesstables to select the files to downgrade. The only difference in the code that selects the files to downgrade is