公开(公告)号：US20220188317A1

公开(公告)日：2022-06-16

申请号：US17653820

申请日：2022-03-07

Applicant: salesforce.com, inc.

Inventor： Thomas Fanghaenel ,  Jameison Bear Martin ,  Nathaniel Wyatt ,  Diego Ongaro ,  Terry Chong

IPC: G06F16/2455 ,  G06F12/0891 ,  G06F16/22 ,  G06F16/84 ,  G06F16/172

Abstract: Techniques are disclosed relating to maintaining a cache usable to locate data stored in a data structure. A computer system, in various embodiments, maintains a data structure having a plurality of levels that store files for a database. The files may include one or more records that each have a key and corresponding data. The computer system may also maintain a cache for the database whose entries store, for a key, an indication of a location of a corresponding record in a file of the data structure. In some embodiments, the computer system receives a request to access a particular record stored in the data structure where the request specifies a key usable to locate the particular record. The computer system may retrieve, from the cache via the key, a particular indication of a location of the particular record and may use the particular indication to access the particular record.

公开(公告)号：US11347774B2

公开(公告)日：2022-05-31

申请号：US15666141

申请日：2017-08-01

Applicant: salesforce.com, inc.

Inventor： Venkateswararao Jujjuri ,  Nathaniel Wyatt

IPC: G06F16/00 ,  G06F16/27 ,  G06F16/23

Abstract: Techniques are disclosed relating to a database system synchronizing a current state of the database system among a plurality of nodes configured to handle requests for data of the database system stored in a distributed storage with one of the plurality of nodes being currently active and the other nodes of the plurality of nodes being currently standby nodes. In various embodiments, the active node receives a request to perform a transaction that includes committing data to the distributed storage. In response to receiving the request, in some embodiments, the active node commits the data to the distributed storage to update the current state of the database system and causes storing of metadata that provides an indication of the commitment in a transaction log stored in the distributed storage.

公开(公告)号：US11238174B2

公开(公告)日：2022-02-01

申请号：US16263751

申请日：2019-01-31

Applicant: salesforce.com, inc.

Inventor： Terry Chong ,  Jameison Bear Martin ,  Thomas Fanghaenel ,  Andrew Tucker ,  Nathaniel Wyatt ,  Raghavendran Hanumantharau ,  Assaf Ben-Gur ,  William Charles Mortimore, Jr.

IPC: G06F21/62 ,  G06F16/2455 ,  G06F21/60 ,  H04L9/08

Abstract: System and methods of the disclosed subject matter provide segregating, at a memory storage coupled to a multitenant database system, first tenant data of a first tenant from at least second tenant data of a second tenant, based on a first tenant identifier. A first encryption key associated with the first tenant may be retrieved from a key cache memory based on the first tenant identifier, to encrypt one or more fragments of the first tenant data. The fragments of the first tenant data may be encrypted based on the retrieved encryption key. Non-encrypted header information may be generated for each of the encrypted fragments of the first tenant data, where the header information may have metadata including the first tenant identifier. The encrypted fragments of the first tenant data and the corresponding non-encrypted header information may be stored in the immutable storage.

公开(公告)号：US10909092B2

公开(公告)日：2021-02-02

申请号：US16024689

申请日：2018-06-29

Applicant: salesforce.com, inc.

Inventor： Gary J. Baker ,  Steven Tamm ,  Nathaniel Wyatt

IPC: G06F16/21 ,  G06F8/71 ,  G06F8/41 ,  G06F9/445

Abstract: Techniques are disclosed relating to create a configuration for a database system. In some embodiments, program instructions of a change set for an application are received from a source code management (SCM) repository. In response to the receiving, a build process is performed that includes causing compilation of the received program instructions to produce program instructions executable to run the application. The build process also includes provisioning the configuration with a schema by retrieving a first set of metadata defining the schema and issuing corresponding data definition language (DDL) instructions to create the schema in the configuration. The build process includes provisioning the configuration with data by retrieving a second set of metadata defining the data and issuing corresponding data manipulation language (DML) instructions to insert the data into the configuration and storing the provisioned configuration in a repository as one of multiple configurations associated with multiple received change sets.

公开(公告)号：US20200320081A1

公开(公告)日：2020-10-08

申请号：US16908006

申请日：2020-06-22

Applicant: salesforce.com, inc.

Inventor： Thomas Fanghaenel ,  Jameison Bear Martin ,  Nathaniel Wyatt ,  Diego Ongaro ,  Terry Chong

IPC: G06F16/2455 ,  G06F12/0891 ,  G06F16/22 ,  G06F16/84 ,  G06F16/172

Abstract: Techniques are disclosed relating to maintaining a cache usable to locate data stored in a data structure. A computer system, in various embodiments, maintains a data structure having a plurality of levels that store files for a database. The files may include one or more records that each have a key and corresponding data. The computer system may also maintain a cache for the database whose entries store, for a key, an indication of a location of a corresponding record in a file of the data structure. In some embodiments, the computer system receives a request to access a particular record stored in the data structure where the request specifies a key usable to locate the particular record. The computer system may retrieve, from the cache via the key, a particular indication of a location of the particular record and may use the particular indication to access the particular record.

公开(公告)号：US20190163613A1

公开(公告)日：2019-05-30

申请号：US16263067

申请日：2019-01-31

Applicant: salesforce.com, inc.

Inventor： Jameison Bear Martin ,  Subho Sanjay Chatterjee ,  Patrick James Helland ,  Nathaniel Wyatt ,  Thomas Fanghaenel ,  Terry Chong

IPC: G06F11/36 ,  G06F16/21 ,  G06F16/245

Abstract: Systems and methods are provided for creating a sandbox for an original tenant at a point in time, the original tenant having original tenant data stored in an immutable storage associated with an original tenant identifier, the original tenant data as of the sandbox creation point in time being a virtual snapshot of the original tenant data accessible by a sandbox tenant, where the sandbox tenant data can be changed without changing the original tenant data, and the original tenant data can be changed without changing the sandbox tenant data. A sandbox tenant is created by associating a sandbox tenant identifier with the virtual snapshot of the original tenant data and with sandbox tenant data created by the sandbox tenant subsequent to the sandbox creation point in time. Original tenant data is subsequently created and associated with the original tenant identifier, and is not accessible to the sandbox tenant.