SYSTEM AND METHOD FOR SUPPORTING SERVICE LEVEL QUORUM IN A DATA GRID CLUSTER
First Claim
1. A system for supporting service level quorum in a data grid cluster, comprising:
- a plurality of cluster nodes in the data grid cluster, wherein the data grid cluster supports performing at least one service action; and
a quorum policy defined in a cache configuration file associated with the data grid cluster, wherein the quorum policy specifies a minimum number of service members that are required for performing the at least one service action, andwherein the data grid cluster use the quorum policy to determine whether the at least one service action is allowed to be performed based on how many cluster nodes in the data grid cluster are qualified as service members.
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Abstract
A system and method is described for use with a data grid cluster, for supporting service level quorum in the data grid cluster. The data grid cluster includes a plurality of cluster nodes that support performing at least one service action. A quorum policy, defined in a cache configuration file associated with the data grid cluster, can specify a minimum number of service members that are required in the data grid cluster for performing the service action. The data grid cluster uses the quorum policy to determine whether the service action is allowed to be performed, based on a present state of the plurality of cluster nodes in the data grid cluster.
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Citations
13 Claims
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1. A system for supporting service level quorum in a data grid cluster, comprising:
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a plurality of cluster nodes in the data grid cluster, wherein the data grid cluster supports performing at least one service action; and a quorum policy defined in a cache configuration file associated with the data grid cluster, wherein the quorum policy specifies a minimum number of service members that are required for performing the at least one service action, and wherein the data grid cluster use the quorum policy to determine whether the at least one service action is allowed to be performed based on how many cluster nodes in the data grid cluster are qualified as service members. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. The system according to claim 9, wherein:
the at least one custom policy is defined based on at least one of a particular time, availability of a particular resource, and an external event. - View Dependent Claims (10, 11)
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12. A method for supporting service level quorum in a data grid cluster, comprising:
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providing at least one service action in the data grid cluster with a plurality of cluster nodes; defining a quorum policy in a cache configuration file associated with data grid cluster, wherein quorum policy specifies a minimum number of service members that are required for performing the at least one service action; and using the quorum policy to determine whether the at least one service action is allowed to be performed based on a present state of the plurality of cluster nodes in the data grid cluster.
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13. A machine readable medium having instructions stored thereon that when executed cause a system to perform the steps of:
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providing at least one service action in the data grid cluster with a plurality of cluster nodes; defining a quorum policy in a cache configuration file associated with data grid cluster, wherein quorum policy specifies a minimum number of service members that are required for performing the at least one service action; and using the quorum policy to determine whether the at least one service action is allowed to be performed based on a present state of the plurality of cluster nodes in the data grid cluster.
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Specification