Accelerated data handling in cloud data storage system

1. A method, comprising,

receiving, by a smart network interface card (NIC) coupled to a node of a node cluster, a write request that identifies a first data segment and a second data segment;

determining, by the smart NIC, a handling operation for the write request;

queuing, by the smart NIC, the first data segment in a first data segment memory space of the smart NIC, and queuing the second data segment in a second data segment memory space of the smart NIC; and

outputting, la the smart NIC, the first data segment from the first data segment memory space to a receiving device.

2. The method of claim 1 , further comprising:

allocating a portion of available memory of the smart NIC in response to receiving the write request.

3. The method of claim 1 , wherein the write request comprises a descriptor, and further comprising:

providing the descriptor via the smart NIC to a storage service in the node to which the smart NIC is coupled; and

obtaining, via the smart NIC, information from the storage service that identifies the receiving device.

4. The method of claim 1 , wherein the node comprises a first node, and wherein the outputting the data segment comprises:

determining a second node of the node cluster to which the first data segment is to be copied; and

sending the first data segment to the second node.

5. The method of claim 1 , wherein the outputting the first data segment comprises:

determining that the node is to maintain a copy of the first data segment: and

sending the first data segment to a kernel space of the node.

6. The method of claim 1 , wherein the node comprises a first node, and wherein the outputting the first data segment comprises:

determining a mirroring node of the node cluster to which the first data segment is to be copied: and

sending the first data segment to the mirroring node.

7. A system, comprising:

a processor; and

a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, the operations comprising:

receiving, at a smart network interface card (NIC), a first data segment and a second data segment identified by a write request, wherein the smart NIC is coupled to a node of a node cluster;

determining a handling operation for the write request;

queuing the first data segment in a first data segment memory space and queuing the second data segment in a second data segment memory space of the smart NIC; and

outputting the first data segment from the first data segment memory space of the smart NIC to a receiving device.

8. The system of claim 7 , wherein the operations further comprise:

receiving a read request from a client device to read the first data segment from the node cluster as part of an object read request corresponding to the first data segment and the second data segment;

queuing the first data segment and the second data segment in an ordered queue, in which the queuing is logically ordered based on sequence numbers associated with the first data segment and the second data segment; and

sending data from the ordered queue to the client device.

9. The system of claim 8 , wherein the operations further comprise:

moving a third data segment to a memory location external to the smart NIC to free up memory space in the smart NIC for the ordered queue.

10. The system of claim 7 , wherein the node comprises a first node, and wherein the outputting the first data segment comprises:

determining that the first node is to maintain a copy of the first data segment:

determining a second node and a third node of the node cluster to which the first data segment is to be mirrored: and

sending the first data segment to the second node, the third node, and a kernel space of the first node.

11. The system of claim 7 , wherein the node comprises a first node, and wherein the operations further comprise:

receiving a read request from a client device associated with a descriptor that identifies a third data segment;

providing the descriptor from the smart NIC to a storage service in the node;

obtaining information at the smart NIC from the storage service that identifies a second node of the node cluster that maintains the third data segment; and

obtaining the third data segment from the second node.

12. The system of claim 7 , wherein the write request comprises a write request to write the first data segment to the node cluster, and wherein the operations further comprise:

determining mirroring nodes of the node cluster; and

copying the first data segment to the mirroring nodes.

13. A non-transitory machine-readable storage medium, comprising executable instructions that, when executed by a processor, facilitate performance of operations, the operations comprising:

receiving, at a smart network interface card (NIC), which is coupled to a node of a node cluster, a write request that identifies a first data segment and a second data segment;

determining a handling operation for the write request;

queuing the first data segment in a first data segment memory space of the smart NIC, and queuing the second data segment in a second data segment memory space of the smart NIC; and

outputting the first data segment from the first data segment memory space of the smart NIC to a receiving device.

14. The non-transitory machine-readable storage medium of claim 13 , wherein the operations further comprise:

in response to determining that there is an insufficient number of blocks for a first ordered queue of the smart NIC into which the first data segment is to be stored relative to a threshold value, moving the second data segment or a third data segment from the smart NIC to other storage of the node to which the smart NIC is coupled.

15. The non-transitory machine-readable storage medium of claim 14 , wherein the second data segment or the third data segment is moved from a selected block, and wherein the operations further comprise:

selecting the selected block based on a largest gap in sequence numbers corresponding to a first gap and a second gap, wherein the first gap is between a first current starting sequence number of first sequence numbers of the first ordered queue to a first end sequence number of the first sequence numbers of a first last available data segment in the first ordered queue, and the second gap is between a second current starting sequence number of a second sequence numbers of a second ordered queue of the smart NIC to a second end sequence number of the second sequence numbers of a second last available data segment in the second ordered queue.

16. The non-transitory machine-readable storage medium of claim 13 , wherein the node comprises a first node, and wherein the operations further comprise:

receiving a read request from a client device associated with a first descriptor that identifies the first data segment and a second descriptor that identifies the second data segment;

providing the first descriptor and the second descriptor from the smart NIC to a storage service in the node;

obtaining information at the smart NIC from the storage service that identifies a second node of the node cluster that maintains the first data segment, identifies a first sequence number of the first data segment, identifies a third node of the node cluster that maintains the second data segment, and identifies a second sequence number of the second data segment;

obtaining the first data segment from the first node and storing the first data segment in the first data segment memory space;

obtaining the second data segment from the second node and storing the second data segment in a second data segment memory space; and

sorting the first data segment and the second data segment based on the first sequence number relative to the second sequence number into ordered object parts in a queue,

wherein the outputting the data segment comprises sending the ordered object parts from the queue to the client device.

17. The non-transitory machine-readable storage medium of claim 16 , wherein the operations further comprise:

moving a third data segment from a third data segment memory space to a kernel space to free memory in the smart NIC for the second data segment memory space.

18. The non-transitory machine-readable storage medium of claim 17 , wherein the operations further comprise:

selecting the third data segment memory space based on a distance from the third data segment memory space within the queue to a start of the queue.

19. The non-transitory machine-readable storage medium of claim 17 , wherein the queue comprises a first queue, and wherein the operations further comprise:

selecting the third data segment memory space based on a distance from the third data segment memory space within a second queue to a start of the second queue.

20. The non-transitory machine-readable storage medium of claim 13 , wherein the write request comprises a descriptor, and wherein the operations further comprise:

providing the descriptor via the smart NIC to a storage service in the node to which the smart NIC is coupled; and

obtaining, via the smart NIC, information from the storage service that identifies the receiving device.