cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Edward Capriolo <>
Subject Re: removing SSTABLEs
Date Mon, 12 Nov 2012 05:23:53 GMT
If you shutdown c* and remove an sstable (and it associated data,
index, bloom filter , and etc) files it is safe. I would delete any
saved caches as well.

It is safe in the sense that Cassandra will start up with no issues,
but you could be missing some data.

On Sun, Nov 11, 2012 at 11:09 PM, B. Todd Burruss <> wrote:
> if i stop a node and remove an SSTABLE, let's call it X, is that safe?
> ok, more info.  i know that the data in SSTABLE X has been tombstoned
> but the tomstones are in SSTABLE Y.  i want to simply delete X and get
> rid of the data.
> how do i know this .. i did a major compaction a while back and the
> SSTABLE is so large it has not yet been compacted.  we "delete" data
> daily and only keep 7 days of data.  the SSTABLE is almost 30 days
> old.
> whattayathink?

View raw message