> When "drop column family" is executed irrespective of the existence of > generation of Snapshot, $KS/$CF/ directory certainly remains. I don't think there is any code there to delete the empty directories. We only care about the files in there.
Cheers ----------------- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 15/05/2013, at 7:41 PM, hiroshi.kise...@hitachi.com wrote: > > Dear Aaron Morton > > I'm Hiroshi. Thank you for the reply. > $KS/$CF/snapshots directory namely : > Under C:\var\lib\cassandra\data\MyKeyspace\testcf1 > > dir command execution: > 2013/05/09 14:04 <DIR> . > 2013/05/09 14:04 <DIR> .. > 0 File(s) 0 bytes > 2 Dir(s) 139,587,530,752 bytes free > > snapshot was not generated. > It is a repeated question (I am sorry). > > When "drop column family" is executed irrespective of the existence of > generation of Snapshot, $KS/$CF/ directory certainly remains. > > It is a meaning? > ---------- > Hiroshi Kise > > > > > > > > Date: Wed, 15 May 2013 05:32:50 +0900, aaron morton <aa...@thelastpickle.com> > wrote; > --------------- Begin of replied message ---------------------- > >> * Although a directory (column family:testcf1) remains, is it satisfactory >> on a file system? > A snapshot is taken when a truncate or drop command is run. You should see a > $KS/$CF/snapshots directory. > > Cheers > > ----------------- > Aaron Morton > Freelance Cassandra Consultant > New Zealand > > @aaronmorton > http://www.thelastpickle.com > > On 15/05/2013, at 12:45 AM, hiroshi.kise...@hitachi.com wrote: > >> >> Hi everyone. >> Although it may be a stupid question, please give me instruction. >> >> [1.Question] >> A column family is deleted (drop column family testcf1;). >> As the upper result (dir command execution), >> <DIR> testcf1 >> 0 File(s) 0 bytes >> 3 Dir(s) 139,587,596,288 bytes free >> >> * As Cassandra, it is the right action? >> * Although a directory (column family:testcf1) remains, is it satisfactory >> on a file system? >> >> ---------- >> [2. Pre-processing] >> ( Cassandra-CLI was used. ) >> First, a key space is created (create keyspace MyKeyspace;), >> The key space was chosen (use MyKeyspace;). >> >> And the column family created (create column family testcf1;). >> ---------- >> [3.Environment] >> Cassandra 1.2.4 >> OS: Windows 7 >> >> >> Thank you for your consideration. >> ---------- >> Hiroshi Kise > > > ---------------- End of replied message -----------------------
