Method and System for Moving a Project in a Complex Event Processing Cluster

• US 20110307552A1
• Filed: 06/14/2010
• Published: 12/15/2011
• Est. Priority Date: 06/14/2010
• Status: Active Grant

• Current Assignee: Sybase Incorporated (SAP SE)
• Original Assignee: Sybase Incorporated (SAP SE)
• Inventors: Sarmah, Dilip
• Granted Patent: US 8,762,533 B2
• Time in Patent Office: Days
• US Class Current: 709/204
• CPC Class Codes: G06F 11/2046 where the redundant components share persistent storage G06F11/2043 takes precedence
• CPC Class Codes: G06F 9/4856 resumption being on a different machine, e.g. task migration, virtual machine migration G06F9/5088 takes precedence
• CPC Class Codes: H04L 67/34 involving the movement of software or configuration parameters network booting or remote initial program loading [RIPL] G06F9/4416
• CPC Class Codes: H04L 67/564 Enhancement of application control based on intercepted application data
• CPC Class Codes: H04L 67/59 Providing operational support to end devices by off-loading in the network or by emulation, e.g. when they are unavailable

Abstract

System, method, computer program product embodiments and combinations and sub-combinations thereof for moving a project in a complex event processing cluster are provided. In an embodiment, project movement in a complex event processing cluster initiates once project persistence capability exists. A handoff of the project from a source node to a destination node in the complex event processing cluster is coordinated by a manager without losing messages and without relying on a message guarantee delivery protocol.

Claims

1. A method for moving a project in a complex event processing cluster, the method comprising:

initiating project movement in a complex event processing cluster once project persistence capability exists; and

coordinating a handoff of the project from a source node to a destination node in the complex event processing cluster by a manager without losing messages and without reliance on a message guarantee delivery protocol.

2. The method of claim 1 further comprising ensuring just in time persistence if project persistence has not been enabled before initiating project movement in the complex event processing cluster.

3. The method of claim 1 wherein coordinating further comprises pausing the project at the source node and performing data persistence.

4. The method of claim 3 wherein coordinating further comprises starting the project at the destination node without enabling adapters at the destination node.

5. The method of claim 4 wherein coordinating further comprises synchronizing the data persisted with the project at the destination node.

6. The method of claim 5 wherein coordinating further comprises stopping the project at the source node.

7. The method of claim 6 wherein coordinating further comprises starting the adapters at the destination node.

8. A system having a cluster arrangement of complex event processing systems comprising:

a source node for a project;

a destination node for the project; and

a cluster manager, wherein the cluster manager initiates project movement once project persistence capability exists and coordinates a handoff of the project from the source node to the destination node without losing messages and without relying on a message guarantee delivery protocol.

9. The system of claim 8 wherein the cluster manager further ensures just in time persistence if project persistence has not been enabled before initiating project movement.

10. The system of claim 8 wherein the cluster manager further pauses the project at the source node, and the source node persists project data.

11. The system of claim 10 wherein the cluster manager further starts the project at the destination node without enabling adapters at the destination node.

12. The system of claim 11 wherein the project at the destination node synchronizes with the persisted project data.

13. The system of claim 12 wherein the cluster manager further stops the project at the source node, and starts the adapters at the destination node.

14. A computer program product including a computer-readable medium having instructions stored thereon that, if executed by a computing device, cause the computing device to perform operations for moving a project in a complex event processing cluster, the instructions comprising:

initiating project movement in a complex event processing cluster once project persistence capability exists; and

coordinating a handoff of the project from a source node to a destination node in the complex event processing cluster by a manager without losing messages and without relying on a message guarantee delivery protocol.

15. The computer program product of claim 14 further comprising ensuring just in time persistence if project persistence has not been enabled before initiating project movement in the complex event processing cluster.

16. The computer program product of claim 14 wherein coordinating further comprises pausing the project at the source node and performing data persistence.

17. The computer program product of claim 16 wherein coordinating further comprises starting the project at the destination node without enabling adapters at the destination node.

18. The computer program product of claim 17 wherein coordinating further comprises synchronizing the data persisted with the project at the destination node.

19. The computer program product of claim 18 wherein coordinating further comprises stopping the project at the source node.

20. The computer program product of claim 19 wherein coordinating further comprises starting the adapters at the destination node.