If you need to remove the compression policy. To re-start policy-based compression again you will need to re-add the policy.
|REGCLASS||Name of the hypertable the policy should be removed from.|
|BOOLEAN||Setting to true will cause the command to fail with a notice instead of an error if a compression policy does not exist on the hypertable. Defaults to false.|
Remove the compression policy from the 'cpu' table: