You’ll find the answers to your questions (and quite a bit more) in this blog post from my coworker: http://thelastpickle.com/blog/2016/07/27/about-deletes-and-tombstones.html <http://thelastpickle.com/blog/2016/07/27/about-deletes-and-tombstones.html>
Repair doesn’t clean up tombstones, they’re only removed through compaction. I advise taking care with nodetool compact, most of the time it’s not a great idea for a variety of reasons. Check out the above post, if you still have questions, ask away. > On Apr 1, 2018, at 9:41 PM, Xiangfei Ni <xiangfei...@cm-dt.com> wrote: > > Hi All, > I want to delete the expired tombstone, someone uses nodetool repair ,but > someone uses compact,so I want to know which one is the correct way, > I have read the below pages from Datastax,but the page just tells us how to > use the command,but doesn’t tell us what it is exactly dose, > https://docs.datastax.com/en/cassandra/3.0/cassandra/tools/toolsRepair.html > <https://docs.datastax.com/en/cassandra/3.0/cassandra/tools/toolsRepair.html> > could anybody tell me how to clean the tombstone and give me some > materials include the detailed instruction about the nodetool command and > options?Web link is also ok. > Thanks very much > Best Regards, > > 倪项菲/ David Ni > 中移德电网络科技有限公司 > Virtue Intelligent Network Ltd, co. > > Add: 2003,20F No.35 Luojia creative city,Luoyu Road,Wuhan,HuBei > Mob: +86 13797007811|Tel: + 86 27 5024 2516
