sge.setAddr(disniRegion.getAddress());
            sge.setLength(data.remaining());
            sge.setLkey(disniRegion.getLocalKey());
            sgeList.add(sge);
            
            sendWR.setSg_list(sgeList);
            endpoint.postSend(Arrays.asList(sendWR)).execute().free();
            
        } catch (Exception e) {
            throw new IOException("RDMA send failed", e);
        }
    }