[GitHub] [cassandra] adelapena commented on a change in pull request #1276: CASSANDRA-17048: UUID based sstable generation numbers

[GitBox <gi...@apache.org>]

adelapena commented on a change in pull request #1276:
URL: https://github.com/apache/cassandra/pull/1276#discussion_r796787673



##########
File path: NEWS.txt
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@@ -78,6 +78,12 @@ New features
       table.
     - Added ability to invalidate auth caches through corresponding `nodetool` commands and virtual tables.
     - DCL statements in audit logs will now obscure only the password if they don't fail to parse.
+    - Starting from 4.1 sstables support UUID based generation identifiers. They are globally unique and thus they let
+      the node to create sstables without any prior knowledge about the existing sstables in the data directory.
+      The feature is disabled by default in cassandra.yaml because once enabled, there is no easy way to downgrade.
+      When the node is restarted with UUID based generation identifiers enabled, each newly created sstable will have
+      UUID based generation identifier and such files are not readable by previous Cassandra versions. In the future

Review comment:
       ```suggestion
         a UUID based generation identifier and such files are not readable by previous Cassandra versions. In the future
   ```




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