{
ByteBuffer bytes = columnFamilies.get(key);
assert bytes.remaining() > 0;
writer.append(key, bytes);
}
SSTableReader sstable = writer.closeAndOpenReader();
logger.info("Completed flushing " + writer.getFilename());
return sstable;
}
public void flushAndSignal(final CountDownLatch latch, ExecutorService sorter, final ExecutorService writer)