select top 10000 n,
       cast('a' as char(8000)) as filler
into dbo.t
from dbo.nums
where n % 2 = 0;

alter table dbo.t
add constraint PK_t primary key clustered(n);

insert into dbo.t
select top 10000 n,
       cast('a' as char(8000)) as filler
from dbo.nums
where n % 2 > 0;

select *
from sys.dm_db_index_physical_stats(db_id(), object_id('dbo.t'), 1, null, null)


backup database [TestBulk]
to disk = 'C:\backups\sql_2016_dev\testbulk_full.bak'
with init;

alter database [TestBulk] set recovery full

backup log [TestBulk]
to disk = 'C:\backups\sql_2016_dev\testbulk_log.trn'

alter index PK_t on dbo.t rebuild
with (ONLINE = ON )

select sum([Log Record Fixed Length] + [Log Record Length])
from fn_dblog(null, null) -- 225.241.956 - 214Mb