TECHNOLOGIES FOR ACCELERATING DATA WRITES

• US 20180024764A1
• Filed: 12/30/2016
• Published: 01/25/2018
• Est. Priority Date: 07/22/2016
• Status: Abandoned Application

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Miller, Steven C.
• Application Number:
  US15/395,765
• Publication Number:
  US 20180024764A1
• Time in Patent Office: Days
• CPC Class Codes: B25J 15/0014 having fork, comb or plate shaped means for engaging the lower surface on a object to be transported
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• CPC Class Codes: Y10S 901/01 : Mobile robot
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Abstract

Technologies for accelerating data writes include a managed node that includes a network interface controller that includes a power loss protected buffer and non-volatile memory. The managed node is to receive, through the network interface controller, a write request from a remote device. The write request includes a data block. The managed node is also to write the data block to the power loss protected buffer of the network interface controller, and send, in response to receipt of the data block and prior to a write of the data block to the non-volatile memory, an acknowledgement to the remote device. The acknowledgement is indicative of a successful write of the data block to the non-volatile memory. The managed node is also to write, after the acknowledgement has been sent, the data block from the power loss protected buffer to the non-volatile memory. Other embodiments are also described and claimed.

Claims

1. A managed node to accelerate data writes, the managed node comprising:

a network interface controller that includes a power loss protected buffer;

non-volatile memory; and

a network communicator to receive, through the network interface controller, a write request from a remote device, wherein the write request includes a data block, write the data block to the power loss protected buffer of the network interface controller, and send, in response to receipt of the data block and prior to a write of the data block to the non-volatile memory, an acknowledgement to the remote device, wherein the acknowledgement is indicative of a successful write of the data block to the non-volatile memory; and

a data manager to write, after the acknowledgement has been sent, the data block from the power loss protected buffer to the non-volatile memory.

2. The managed node of claim 1, wherein the power loss protected memory comprises volatile memory coupled to a temporary power source.

3. The managed node of claim 1, wherein the network communicator is further to determine whether a power loss imminent condition is present;

and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that a power loss imminent condition is present, the data block to the non-volatile memory.

4. The managed node of claim 1, wherein the network communicator is further to determine whether a predefined time interval has elapsed;

and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that the predefined time interval has elapsed, the data block to the non-volatile memory.

5. The managed node of claim 1, wherein the network communicator is further to determine whether the number of data blocks present in the power loss protected buffer satisfies a predefined threshold;

and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that the number of data blocks present in the power loss protected buffer satisfies the predefined threshold, the data block to the non-volatile memory.

6. The managed node of claim 1, wherein the network communicator is further to determine whether an amount of unused memory in the power loss protected buffer satisfies a predefined threshold;

and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that the amount of unused memory in the power loss protected buffer satisfies the predefined threshold, the data block to the non-volatile memory.

7. The managed node of claim 1, wherein the network communicator is further to forward the data block to a follower storage sled for storage.

8. The managed node of claim 1, wherein to write the data block to the non-volatile memory comprises to write the data block in association with a key, wherein the key uniquely identifies the data block in the non-volatile storage.

9. The managed node of claim 1, wherein:

to receive the data block comprises to receive the data block with an associated key in the power loss protected buffer; and

to write the data block to the non-volatile memory further comprises to store a location of the data block in a data map in association with the key

10. The managed node of claim 1, wherein the data manager is further to:

determine whether a request to read the data block has been received;

determine, in response to the request to read the data block, a location of the data block; and

read the data block from the determined location.

11. The managed node of claim 10, wherein:

to receive the request to read the data block comprises to receive a request that includes a key associated with the data block;

to determine the location of the data block comprises to search a data map that is indicative of keys and corresponding locations in the non-volatile memory; and

to read the data block comprises to read the data block from the non-volatile memory.

12. One or more computer-readable storage media comprising a plurality of instructions that, when executed by a managed node, cause the managed node to:

receive, through a network interface controller of the managed node, a write request from a remote device, wherein the write request includes a data block;

write the data block to a power loss protected buffer of the network interface controller;

send, in response to receipt of the data block and prior to a write of the data block to a non-volatile memory of the managed node, an acknowledgement to the remote device, wherein the acknowledgement is indicative of a successful write of the data block to the non-volatile memory; and

write, after the acknowledgement has been sent, the data block from the power loss protected buffer to the non-volatile memory.

13. The one or more computer-readable storage media of claim 12, wherein to write the data block to a power loss protected buffer comprises to write the data block to volatile memory of the network interface controller, wherein the volatile memory is coupled to a temporary power source.

14. The one or more computer-readable storage media of claim 12, wherein the plurality of instructions, when executed, cause the managed node to:

determine whether a power loss imminent condition is present; and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that a power loss imminent condition is present, the data block to the non-volatile memory.

15. The one or more computer-readable storage media of claim 12, wherein the plurality of instructions, when executed, cause the managed node to determine whether a predefined time interval has elapsed;

and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that the predefined time interval has elapsed, the data block to the non-volatile memory.

16. The one or more computer-readable storage media of claim 12, wherein the plurality of instructions, when executed, cause the managed node to determine whether the number of data blocks present in the power loss protected buffer satisfies a predefined threshold;

and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that the number of data blocks present in the power loss protected buffer satisfies the predefined threshold, the data block to the non-volatile memory.

17. The one or more computer-readable storage media of claim 12, wherein the plurality of instructions, when executed, cause the managed node to determine whether an amount of unused memory in the power loss protected buffer satisfies a predefined threshold;

and

wherein to write the data block from the power loss protected buffer to the non-volatile memory comprises to write, in response to a determination that the amount of unused memory in the power loss protected buffer satisfies the predefined threshold, the data block to the non-volatile memory.

18. The one or more computer-readable storage media of claim 12, wherein the plurality of instructions, when executed, cause the managed node to forward the data block to one or more follower storage sleds for storage.

19. The one or more computer-readable storage media of claim 12, wherein to write the data block to the non-volatile memory comprises to write the data block in association with a key, wherein the key uniquely identifies the data block in the non-volatile storage.

20. The one or more computer-readable storage media of claim 12, wherein:

to receive the data block comprises to receive the data block with an associated key in the power loss protected buffer; and

to write the data block to the non-volatile memory further comprises to store a location of the data block in a data map in association with the key.

21. The one or more computer-readable storage media of claim 12, wherein the plurality of instructions, when executed, cause the managed node to:

determine whether a request to read the data block has been received;

determine, in response to the request to read the data block, a location of the data block; and

read the data block from the determined location.

22. A method for accelerating data writes, the method comprising:

receiving, by a managed node through a network interface controller of the managed node, a write request from a remote device, wherein the write request includes a data block;

writing, by the managed node, the data block to a power loss protected buffer of the network interface controller;

sending, by the managed node, in response to receipt of the data block and prior to a write of the data block to a non-volatile memory of the managed node, an acknowledgement to the remote device, wherein the acknowledgement is indicative of a successful write of the data block to the non-volatile memory; and

writing, by the managed node after the acknowledgement has been sent, the data block from the power loss protected buffer to the non-volatile memory.

23. The method of claim 22, wherein writing the data block to a power loss protected buffer comprises writing the data block to volatile memory of the network interface controller, wherein the volatile memory is coupled to a temporary power source.

24. The method of claim 22, further comprising:

determining, by the managed node, whether a power loss imminent condition is present; and

wherein writing the data block from the power loss protected buffer to the non-volatile memory comprises writing, in response to a determination that a power loss imminent condition is present, the data block to the non-volatile memory.

25. The method of claim 22, further comprising determining, by the managed node, whether a predefined time interval has elapsed;

and

wherein writing the data block from the power loss protected buffer to the non-volatile memory comprises writing, in response to a determination that the predefined time interval has elapsed, the data block to the non-volatile memory.