>From a previous thread of the same topic, I used a force GC and the extra spaces are released.
What about my second question? 2011/3/29 Sheng Chen <chensheng2...@gmail.com> > I use 'nodetool compact' command to start a compaction. > I can understand that extra disk spaces are required during the compaction, > but after the compaction, the extra spaces are not released. > > Before compaction: > SSTable count: 10 > space used (live): 19G > space used (total): 21G > > After compaction: > sstable count: 1 > space used (live): 19G > space used (total): 42G > > > BTW, given that compaction requires double disk spaces, does it mean that I > should never reach half of my total disk space? > e.g. if I have 505GB data on 1TB disk, I cannot even delete any data at > all. > > > > >
