Cloud spanner’s mutation limit per commit 20,000. For a mutation delete using KeySet, does this count as one mutation, or does the size of the KeySet determine the number of mutations? For example: List<Mutation> mutations = new ArrayList<>(); mutations.add( Mutation.delete( "Albums", KeySet.newBuilder().addKey(Key.of(2, 1)).addKey(Key.of(2, 3)).build())); dbClient.write(mutations); Does this count as one mutation, or two? If I’m… Read More Spanner mutation limit for delete by KeySet