Database shutdown with session migration
First Claim
Patent Images
1. A method, comprising:
- receiving a command requesting that a certain server hosted on a multi-node computer system be shutdown;
wherein said multi-node computer system includes a plurality of nodes that host a plurality of servers, said plurality of servers including said certain server, each node of said plurality of nodes hosting a server of said plurality of servers; and
in response to receiving said command;
attempting to migrate a plurality of sessions from said certain server;
after attempting to migrate said plurality of said sessions, determining to terminate one or more certain sessions of said plurality of sessions in lieu of migrating said one or more certain sessions; and
shutting down said server after all of said plurality of said sessions have either been terminated or migrated.
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Abstract
When a request for a shutdown of a server (e.g. database server) is requested, existing sessions established for the clients are migrated to another server. Some sessions may not be migrated for various reasons; these sessions may be terminated without migrating them.
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Citations
20 Claims
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1. A method, comprising:
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receiving a command requesting that a certain server hosted on a multi-node computer system be shutdown; wherein said multi-node computer system includes a plurality of nodes that host a plurality of servers, said plurality of servers including said certain server, each node of said plurality of nodes hosting a server of said plurality of servers; and in response to receiving said command; attempting to migrate a plurality of sessions from said certain server; after attempting to migrate said plurality of said sessions, determining to terminate one or more certain sessions of said plurality of sessions in lieu of migrating said one or more certain sessions; and shutting down said server after all of said plurality of said sessions have either been terminated or migrated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification