MULTITENANT APPLICATION SERVER USING A UNION FILE SYSTEM

    公开(公告)号:US20210334243A1

    公开(公告)日:2021-10-28

    申请号:US17369059

    申请日:2021-07-07

    Applicant: SAP SE

    Abstract: Example methods and systems are directed to a multitenant application server using a union file system. Each tenant has one or more users and a tenant layer in the union file system. Each user has a user layer in the union file system. The union file system provides a logical file system to each user based on the user layer, the tenant layer, and a base layer comprising a set of application layers. A first user shares an application template file with other users of the same tenant by moving the file from the first user's user layer to the tenant layer. After the file is moved, all users of the tenant have access to the application defined by the application template file. The moving of the file is achieved by modifying metadata for the file.

    Software installation through an overlay file system

    公开(公告)号:US10956140B2

    公开(公告)日:2021-03-23

    申请号:US16376305

    申请日:2019-04-05

    Applicant: SAP SE

    Abstract: A user requests installation of a software package on a server. The server identifies an artifact for the software package installed on a first layer of an overlay file system. Based on dependency information for the artifact, the server identifies one or more additional artifacts that the artifact depends on, installed on additional layers of the overlay file system. Instead of duplicating the software package and its dependencies in storage for the user, the server updates a layer strategy for the user. A layer strategy indicates a set of layers to be used by an overlay file system in generating a logical file system. The updated layer strategy for the user includes both the layer for the artifact of the requested software package and the layers for the additional artifacts that the software package depends on.

    Format for multi-artefact software packages

    公开(公告)号:US10942723B2

    公开(公告)日:2021-03-09

    申请号:US16376453

    申请日:2019-04-05

    Applicant: SAP SE

    Abstract: In an example embodiment, a solution is used to provide for a highly efficient application installer. A software packaging format, known as vSolution, is provided that allows software developers to ship multiple artefacts of different types in a single container. Unlike traditional mechanisms, this container does not contain a dedicated installer executable or any sort of installation routine. Rather, the container format encourages a declarative approach to describe what an installation routine should perform, via the organization of the artefacts based on content type and using a naming convention.

    SOFTWARE INSTALLATION THROUGH AN OVERLAY FILE SYSTEM

    公开(公告)号:US20200319869A1

    公开(公告)日:2020-10-08

    申请号:US16376305

    申请日:2019-04-05

    Applicant: SAP SE

    Abstract: A user requests installation of a software package on a server. The server identifies an artifact for the software package installed on a first layer of an overlay file system. Based on dependency information for the artifact, the server identifies one or more additional artifacts that the artifact depends on, installed on additional layers of the overlay file system. Instead of duplicating the software package and its dependencies in storage for the user, the server updates a layer strategy for the user. A layer strategy indicates a set of layers to be used by an overlay file system in generating a logical file system. The updated layer strategy for the user includes both the layer for the artifact of the requested software package and the layers for the additional artifacts that the software package depends on.

    Customizing operator nodes for graphical representations of data processing pipelines

    公开(公告)号:US10747506B2

    公开(公告)日:2020-08-18

    申请号:US16009987

    申请日:2018-06-15

    Applicant: SAP SE

    Abstract: A method may include receiving, from a client, a request to customize an operator node corresponding to a data processing operation. The request may include a first key. The operator node may be selected for inclusion in a graph representative of a data processing pipeline. The operator node may be associated with a first file that includes at least one configuration parameter associated with the operator node. The at least one configuration parameter may be associated with a second key. In response to the first key being determined to match the second key, the operator node may be customized by modifying the at least one configuration parameter. Furthermore, a second file associated with a customized operator node may be generated to store the customizations made to the operator node including the modification of the at least one configuration parameter. Related systems and articles of manufacture are also provided.

    Trace messaging for distributed execution of data processing pipelines

    公开(公告)号:US10733034B2

    公开(公告)日:2020-08-04

    申请号:US16010018

    申请日:2018-06-15

    Applicant: SAP SE

    Abstract: A method for routing trace messages during an execution of a data processing pipeline is provided. The method may include receiving, at a master node, a request from a client to receive trace messages output by a worker node executing at least a portion of the data processing pipeline. The master node and the worker node may be part of a distributed cluster of computing nodes. The trace messages may correspond to events occurring during the execution of at least the portion of the data processing pipeline. The master node may respond to the request by subscribing to a trace stream published by the worker node. The trace stream may include the trace messages output by the worker node. The master node may generate a user interface for displaying, at the client, the trace messages. Related systems and articles of manufacture, including computer program products, are also provided.

    KUBERNETES AS A DISTRIBUTED OPERATING SYSTEM FOR MULTITENANCY/MULTIUSER

    公开(公告)号:US20200186616A1

    公开(公告)日:2020-06-11

    申请号:US16216602

    申请日:2018-12-11

    Applicant: SAP SE

    Abstract: A client device sends a connection request to a virtual system in a Kubernetes cluster. The connection request identifies the client device and the application to which the request pertains. Based on a tenant associated with the client device, the virtual system connects the client device to an instance of the application. The instance of the application has access to data for the tenant but not for other tenants. Another client device of the tenant sends another connection request to the virtual system for a connection to another application. Because the tenant is the same, the instance of the other application may access the same data as the instance of the first application. In this way, applications for a single tenant may share data while maintaining the security of the data from other tenants.

    Software installation through an overlay file system

    公开(公告)号:US11822912B2

    公开(公告)日:2023-11-21

    申请号:US17162529

    申请日:2021-01-29

    Applicant: SAP SE

    CPC classification number: G06F8/61

    Abstract: A user requests installation of a software package on a server. The server identifies an artifact for the software package installed on a first layer of an overlay file system. Based on dependency information for the artifact, the server identifies one or more additional artifacts that the artifact depends on, installed on additional layers of the overlay file system. Instead of duplicating the software package and its dependencies in storage for the user, the server updates a layer strategy for the user. A layer strategy indicates a set of layers to be used by an overlay file system in generating a logical file system. The updated layer strategy for the user includes both the layer for the artifact of the requested software package and the layers for the additional artifacts that the software package depends on.

    Multitenant application server using a union file system

    公开(公告)号:US11561937B2

    公开(公告)日:2023-01-24

    申请号:US17369059

    申请日:2021-07-07

    Applicant: SAP SE

    Abstract: Example methods and systems are directed to a multitenant application server using a union file system. Each tenant has one or more users and a tenant layer in the union file system. Each user has a user layer in the union file system. The union file system provides a logical file system to each user based on the user layer, the tenant layer, and a base layer comprising a set of application layers. A first user shares an application template file with other users of the same tenant by moving the file from the first user's user layer to the tenant layer. After the file is moved, all users of the tenant have access to the application defined by the application template file. The moving of the file is achieved by modifying metadata for the file.

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