CBAS syncing is not working as expected when bucket is flushed or deleted.

CBAS syncing is not working as expected when bucket is flushed or deleted.

When I flush a bucket, I saw 2 behaviors,

Right after I setup the cluster and synced data. CBAS side row number drop to 0 but the bucket seems to be come automatically disconnected (shown in Analytics workbench), I have to manually reconnect the bucket so it starts to sync new data automatically.

After the step above, I inserted more data, all new data is synced from CB to CBAS. Then i flushed the bucket on CB side, the dataset on CBAS side did not drop to 0 rows, and the CBAS DCP connection number drop to 0. The bucket seems still connected in Analytics workbench but no new data is syned. I need to disconnect and reconnect the bucket to make the CBAS dataset size drop to 0.

When I delete a bucket and then recreate the bucket, the same symptoms happen.

Trace attached for a delete bucket test run.