daos_tx_open_snap_t*args; tse_task_t* task; intrc; // 判断 *args 大小是否与 daos_tx_open_snap_t 的预期大小相等 DAOS_API_ARG_ASSERT(*args, TX_OPEN_SNAP); // 创建新任务 dc_tx_open_snap,并将其与输入事件 ev 关联 // 如果事件 ev 为 NULL,则将获取私有事件 rc = dc_task_create(...
mr_mode hints->tx_attr->tclass = FI_TC_BULK_DATA ret = run() -> static int run(void) ret = ft_init_fabric() ft_init_oob() -> fabtests:仅允许更改 OOB 地址 如果提供程序使用带有 -F 标志的 FI_ADDR_STR,则它可能不是 IP 地址,因此它不能用于与套接字的带外通信。 这会添加一个“...
(obj->oh, DAOS_TX_NONE, &iod, sgl, ev) -> daos_array_write(daos_handle_t oh, daos_handle_t th, daos_array_iod_t *iod, d_sg_list_t *sgl, daos_event_t *ev) dc_task_create(dc_array_write, NULL, ev, &task) -> 关联EV和task sched = daos_ev2sched(ev) -> 拿到调度器...
daos_tx_open() is a local operation that will allocate the context for the transaction. All non-modifying operations (e.g. fetch, list) are served by the remote engines while all modifying operations (e.g. update, punch) are buffered on the client side. At commit time, all operations ...
oid, DAOS_TX_NONE, daos_mode, 1, entry.chunk_size ? entry.chunk_size : dfs->attr.da_chunk_size, &obj->oh, NULL); rc = daos_array_open_with_attr(dfs->coh, entry.oid, dfs->th, daos_mode, 1, entry.chunk_size ? entry.chunk_size : dfs->attr.da_chunk_size, &obj->oh, ...
The Distributed Asynchronous Object Storage (DAOS) is an open source scale-out storage system that is designed from the ground up to support Storage Class Memory (SCM) and NVMe storage in user space. Its advanced storage API enables the native support of structured, semi-structured and unstructur...
tx.begin(); // start the transaction dao.createWarehouseProfile(profile); dao.updateWarehouseStatus(id1, status1); dao.updateWarehouseStatus(id2, status2); tx.commit(); // end the transaction This transaction demarcation strategy is especially valuable for applications that need to access multipl...
// * image .getHeight(); AffineTransform tx = new // * AffineTransform(); tx.scale((double) maxWidth / // * width, (double) maxHeight / height); // * AffineTransformOp op = new AffineTransformOp(tx, // * AffineTransformOp.TYPE_NEAREST_NEIGHBOR); //锟斤拷小 image ...
umem_tx_abort(umem, rc) : umem_tx_commit(umem) -> 提交或终止/回滚事务 pmemobj_tx_commit() pmemobj_tx_end() pool_open(ph, pool_df, uuid, flags, poh) // 打开池 pool_alloc(uuid, &pool) d_uhash_ulink_init(&pool->vp_hlink, &pool_uuid_hops) uuid hash tab D_INIT_LIST_HEAD...
umem_tx_abort(umem, rc) : umem_tx_commit(umem) -> 提交或终止/回滚事务 pmemobj_tx_commit() pmemobj_tx_end() pool_open(ph, pool_df, uuid, flags, poh) // 打开池 pool_alloc(uuid, &pool) d_uhash_ulink_init(&pool->vp_hlink, &pool_uuid_hops) uuid hash tab D_INIT_LIST_HEAD...