Keyspace keyspace = Keyspace.open(KEYSPACE);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(CF);
cfs.truncateBlocking();
SSTableReader s = writeFile(cfs, 1000);
cfs.addSSTable(s);
long startStorageMetricsLoad = StorageMetrics.load.count();
Set<SSTableReader> compacting = Sets.newHashSet(s);
SSTableRewriter.overrideOpenInterval(10000000);
SSTableRewriter rewriter = new SSTableRewriter(cfs, compacting, 1000, false);
rewriter.switchWriter(getWriter(cfs, s.descriptor.directory));