Amazon Technologies, Inc.

Oracle International Corporation

John Petry

Marvin Michael Theimer

Michael J Hart

Anders Samuelsson

Zachary Mohamed Shalla

Brian Joseph Collins

Serge Hairanian

Salvador Salazar Sepulveda

Ji Luo

Nathaniel Martin Glass

Andrey Efimov

Julien Nicolas Dollon

Distributed system resources may be managed by applying user created policies to the resources. To ensure that valid policies are applied, remote validation for the policies may be implemented. A validation event for a policy may be detected. A remote validation agent may be identified for the policy and a validation request sent to the remote validation agent that includes information for validating the policy. The remote validation agent may return a validation result for the policy. If valid, a policy action that triggered the remote validation event for the policy may be allowed. If invalid, the policy action that triggered the remote validation event for the policy may be denied.

Remote policy validation for managing distributed system resources

Multiple edits to a hierarchical data structure may be atomically applied. A request to perform modifications with respect to a portion or the entire hierarchical data structure may be received. A copy of the requested portion of the hierarchical data structure may be created separate from the hierarchical data structure. The portion of the hierarchical data structure may remain available for read access. Modifications may be applied to the copy of the portion of the hierarchical data structure. In response to a request to commit the modifications to the portion of the hierarchical data structure, the copy of the portion of the hierarchical data structure may atomically replace the portion of the hierarchical data structure.

Atomic application of multiple updates to a hierarchical data structure

Resource data objects describing resources in a system may be maintained in multiple different hierarchies for applying policies to manage the resources. Lookup requests may access the different hierarchies to determine which policies are applicable to a given resource based on the policies identified in each of the hierarchies. Modifications to hierarchies may be performed in isolation so that the application of policies in other hierarchies is unchanged by modifications to a different hierarchy. Access restrictions may be enforced with respect to hierarchies so that different users may be permitted access to different hierarchies for system resource management.

Different hierarchies of resource data objects for managing system resources

Techniques for resegmenting a partition in a distributed stream-processing platform are provided. The techniques include receiving a trigger to move a partition of the distributed stream-processing platform from a first broker on a first set of physical resources to a second broker on a second a set of physical resources. In response to the trigger, the partition is allocated on the second broker, and the first broker is configured to redirect, to the second broker, requests for new messages after a last offset in the partition without replicating older messages before the last offset to the second broker. Idempotent produce metadata for the partition from the first broker is then merged into the second broker. Finally, metadata for processing requests for the partition is updated to include the second broker.

Live resegmenting of partitions in distributed stream-processing platforms

Multi-party updates may be performed for distributed systems. An agreement request may be received that proposes updates to a distributed system. An authorization scheme for the agreement request may be determined and approvers for the proposed updates identified according to the authorization scheme. Notifications may be provided to the approvers indicating the proposed updates to the distributed system. Responses from the approvers may be evaluated to determine whether the authorization scheme is satisfied for the proposed updates. If the authorizations scheme is satisfied, then the proposed updates may be performed to the distributed system.

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John Petry