Cassandra
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Upgrade Casssandra
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Backup Cassandra
Pour sauvegarde incrémentale:
incremental_backups à true dans le fichier .yamlhttps://docs.datastax.com/en/cassandra-oss/2.2/cassandra/configuration/configCassandra_yaml.html#configCassandra_yaml__incremental_backupsbackup :nodetool -h localhost -p 7199 snapshot mykeyspace
https://docs.datastax.com/en/cassandra-oss/2.2/cassandra/operations/opsBackupTakesSnapshot.html
supprimer backup :nodetool -h localhost -p 7199 clearsnapshot
restaurer :
cp snapshots/1535397029191/* /path/to/keyspace1/standard1/sstableloader --nodes 172.17.0.2 /var/lib/cassandra/loadme/keyspace1/standard1-f8a4fa30aa2a11e8af27091830ac5256/
https://docs.datastax.com/en/cassandra-oss/3.0/cassandra/operations/opsBackupSnapshotRestore.html
https://docs.datastax.com/en/cassandra-oss/2.2/cassandra/tools/toolsBulkloader.html -
[Cassandra] Changer mot de passe, changer nom de cluster
Changer mot de passe :
modifier paramètres dans yaml :
keystore_password
truststore_passwordChanger de nom de cluster :
1 -UPDATE system.local SET cluster_name = '<cluster_name>' where key='local';
2- nodetool flush system (recommended)
3. cluster_name update cassandra.yaml the name for the new cluster4. Restart cassandra cluster