RE: Increased Disk Usage After Upgrading From Cassandra 3.x.x to 4.1.3

2025-03-15 Thread Sartor Fabien (DIN) via user
Dear William, As Luciano mentioned previously, could you check the snapshot folder? To know where the data is stored, check the value of data_file_directories in the cassandra.yaml file. By default, it is located in the $CASSANDRA_HOME/data/data directory. You can then browse all snapshots with

SSTable Migration to oa-* Format After Upgrade to 5

2025-03-15 Thread Luciano Greiner
Hi, We recently upgraded our clusters from 4.1.5 to 5.0.3 and now I’m trying to migrate SSTable files to the new oa-* format, but it’s not working as I expected. What I Tried: nodetool flush + upgradesstables → Completed quickly with success messages, but no SSTables were rewritten. nodetool upg

Re: SSTable Migration to oa-* Format After Upgrade to 5

2025-03-15 Thread Paul Chandler
Hi Luciano, It sounds like you could have the storage_compatibility_mode set to the default CASSANDRA_4 value, check this and change it to UPGRADING or NONE. Full details can be found in the Cassandra.yaml https://cassandra.apache.org/doc/latest/cassandra/managing/configuration/cass_yaml_file.h