Kamil Braun

> It seems that we can just look for commit_status_unknown in this [try/catch](https://github.com/scylladb/scylladb/blob/master/raft/server.cc#L1299) and not throw an exception, if _non_joint_conf_commit_promise already set, since in fact it means that the operation...

cc @haaawk @slivne @elcallio @nyh @avelanarius @piodul

I don't completely understand what's happening though, because e.g. `snapshot_test`, which fails on my laptop 100% of the time when trying to run dtests using branches scylla-ccm:master and scylla-dtest:master, sometimes...

Also until https://github.com/scylladb/scylla/issues/7825 is fixed, always bind `:removed` in the above example (can bind to empty set if no elements got removed)

In general, I think that a batch of 2 can solve every case: for `cdc$operation = 1` (update): - one `update` for adding and removing elements from non-frozen collections and...

Documentation should be updated (https://github.com/scylladb/java-driver/tree/latest/manual/pooling#configuring-the-connection-pool), we can't tell users to read the driver's code

cc @asias

The problem happens when there are no regular columns in the schema (only primary key)