High-load business process scalability
First Claim
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1. A computer-implemented method, comprising:
- receiving a message at a first computer node executing a first process instance, the first computer node operating as one of a plurality of nodes in a networked environment, the message associated with a particular process instance executing in the networked environment;
identifying a second process instance associated with the message, wherein the second process instance is associated with at least one particular node in the plurality of nodes in the networked environment;
sending the message from the first computer node to a centralized messaging queue associated with the networked environment for storage and subsequent retrieval by the at least one particular node associated with the second process instance in the centralized messaging queue, wherein a determination of the association between the second process instance and the message includes use of a correlation procedure that matches a payload and a context associated with the message received at the centralized messaging queue to the second process instance;
determining that the message indicates a change to a shared state variable; and
obtaining a lock on the shared state variable if the message indicates a change to the shared state variable, wherein obtaining the lock on the shared state variable comprises preventing other components and process instances other than the second process instance from accessing the shared state variable.
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Abstract
The present disclosure involves systems, software, and computer implemented methods for providing high-load business process scalability in cloud-based infrastructures. One process includes operations for receiving a message at a first computer node executing a first business process instance. A second business process instance associated with the message is identified. The message is sent to a messaging queue for retrieval by the second business process instance if the second business process instance is not located at the first computer node.
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Citations
16 Claims
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1. A computer-implemented method, comprising:
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receiving a message at a first computer node executing a first process instance, the first computer node operating as one of a plurality of nodes in a networked environment, the message associated with a particular process instance executing in the networked environment; identifying a second process instance associated with the message, wherein the second process instance is associated with at least one particular node in the plurality of nodes in the networked environment; sending the message from the first computer node to a centralized messaging queue associated with the networked environment for storage and subsequent retrieval by the at least one particular node associated with the second process instance in the centralized messaging queue, wherein a determination of the association between the second process instance and the message includes use of a correlation procedure that matches a payload and a context associated with the message received at the centralized messaging queue to the second process instance; determining that the message indicates a change to a shared state variable; and obtaining a lock on the shared state variable if the message indicates a change to the shared state variable, wherein obtaining the lock on the shared state variable comprises preventing other components and process instances other than the second process instance from accessing the shared state variable. - View Dependent Claims (2, 3, 4, 5)
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6. A computer-implemented system, comprising:
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memory operable to store a computer node; and at least one hardware processor interoperably coupled to the memory and configured to; receive a message at a first computer node executing a first process instance, the first computer node operating as one of a plurality of nodes in a networked environment, the message associated with a particular process instance executing in the networked environment; identify a second process instance associated with the message, wherein the second process instance is associated with at least one particular node in the plurality of nodes in the networked environment; send the message from the first computer node to a centralized messaging queue associated with the networked environment for storage and subsequent retrieval by the at least one particular node associated with the second process instance in the centralized messaging queue, wherein a determination of the association between the second process instance and the message includes use of a correlation procedure that matches a payload and a context associated with the message received at the centralized messaging queue to the second process instance; determine that the message indicates a change to a shared state variable; and obtain a lock on the shared state variable if the message indicates a change to the shared state variable, wherein obtaining the lock on the shared state variable comprises preventing other components and process instances other than the second process instance from accessing the shared state variable. - View Dependent Claims (7, 8, 9, 10)
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11. A computer-readable non-transitory storage medium encoded with computer-readable instructions configured to cause one or more data processing apparatus to:
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receive a message at a first computer node executing a first process instance, the first computer node operating as one of a plurality of nodes in a networked environment, the message associated with a particular process instance executing in the networked environment; identify a second process instance associated with the message, wherein the second process instance is associated with at least one particular node in the plurality of nodes in the networked environment; send the message from the first computer node to a centralized messaging queue associated with the networked environment for storage and subsequent retrieval by the at least one particular node associated with the second process instance if the second process instance is not locally executing at the first computer node, where the message is associated with the at least one particular node associated with the second process instance in the centralized messaging queue, wherein a determination of the association between the second process instance and the message includes use of a correlation procedure that matches a payload and a context associated with the message received at the centralized messaging queue to the second process instance; determine that the message indicates a change to a shared state variable; and obtain a lock on the shared state variable if the message indicates a change to the shared state variable, wherein obtaining the lock on the shared state variable comprises preventing other components and process instances other than the second process instance from accessing the shared state variable. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification