throws InvalidRequestException, UnavailableException
{
logger.debug("insert");
RowMutation rm = new RowMutation(tablename, key.trim());
rm.add(columnPath, cellData, timestamp);
Set<String> cfNames = rm.columnFamilyNames();
validateCommand(rm.key(), rm.table(), cfNames.toArray(new String[cfNames.size()]));
if (block)
{
StorageProxy.insertBlocking(rm);