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公开(公告)号：US11494408B2
公开(公告)日：2022-11-08
申请号：US16581253
申请日：2019-09-24
Applicant: Salesforce.com, Inc.
Inventor： Mikhail Chainani , Xiaodan Wang , Vijayanth Devadhar
Abstract: A first copy of a database object may be constructed prior to applying a designated database update request to a first database. The database object may be represented by a plurality of database table rows in the first database, and the request may update one or more of the plurality of rows. The request may be applied to the first database to update the one or more of the plurality of rows in the first database. A second copy of the database object may be constructed after applying the database update request to the first database. A message identifying a difference between the first copy of the database object and a second copy of the database object may be transmitted to a remote computing device.
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公开(公告)号：US10678773B2
公开(公告)日：2020-06-09
申请号：US15686640
申请日：2017-08-25
Applicant: salesforce.com, inc.
Inventor： Gary Baker , Mikhail Chainani , Varun Jobanputra , William Dumaresq
IPC: G06F16/27 , G06F16/23 , G06F21/62 , G06F16/21 , G06F16/2455
Abstract: Technology for tracking changes to a database and providing the changes to a subscribing computing device. In an illustrative implementation, a method may involve subscribing a computing device to changes of a portion of a multi-tenant database and accessing a plurality of change events stored in a log of the multi-tenant database in parallel. The method may further involve storing the plurality of change events in a persistent data store separate from the multi-tenant database and processing the plurality of change events to create an ordered set of change events. The ordered set of change events may then be provided to the computing device that subscribed to the changes.
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公开(公告)号：US11354153B2
公开(公告)日：2022-06-07
申请号：US16749373
申请日：2020-01-22
Applicant: Salesforce.com, Inc.
Inventor： Xiaodan Wang , Ilya Zaslavsky , Prakash Ramaswamy , Sridevi Gopala Krishnan , Mikhail Chainani , Scott Ware , Lauren Valdivia
Abstract: A resource utilization level and a data size may be determined for each organization within a computing pod located within an on-demand computing services organization configured to provide computing services. One of the organizations may be selected for migration away from the computing pod based on the resource utilization levels and the data sizes. The designated organization may have a respective resource utilization level that is high in relation to its respective data size.
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公开(公告)号：US11093294B2
公开(公告)日：2021-08-17
申请号：US16749456
申请日：2020-01-22
Applicant: Salesforce.com, Inc.
Inventor： Xiaodan Wang , Ilya Zaslavsky , Prakash Ramaswamy , Sridevi Gopala Krishnan , Mikhail Chainani , Scott Ware , Lauren Valdivia
Abstract: A request may be received to migrate an organization from a first computing pod to a second computing pod located within an on-demand computing services organization configured to provide computing services. A migration resource utilization profile may be determined for the first computing pod. The migration resource utilization profile may identify one or more computing resources involved in transferring organizations from the first computing pod during one or more time windows. A migration time window for performing the requested migration may be selected based at least in part on the migration resource utilization profile.
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公开(公告)号：US10936571B1
公开(公告)日：2021-03-02
申请号：US15929353
申请日：2020-04-28
Applicant: salesforce.com, Inc.
Inventor： Mikhail Chainani , William Dumaresq , Xiaodan Wang
Abstract: Methods and systems for providing a rewind of table data in a data management system include: storing a table having table data that defines a plurality of rows and a plurality of columns that define a plurality of cells; capturing change data associated with changes to at least one of the plurality of rows, the plurality of columns, and the plurality of cells; associating the change data with a transaction having a transaction identifier; storing the transaction and the change data in a change bus; retrieving the change data from the change bus based on a rewind request; performing a rewind of a subset of the changes by performing a reverse operation of the change data relating to the subset of changes and according to a reverse operation order; and outputting a clone of the table based on the rewind of the changes of the table.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20180331887A1
公开(公告)日：2018-11-15
申请号：US15804254
申请日：2017-11-06
Applicant: salesforce.com, inc.
Inventor： Olumayokun Obembe , Chen Liu , Ping-Hsiu Hsieh , Ashwini Bijwe , Vijayanth Devadhar , Mikhail Chainani , Sridevi Gopola Krishnan , Alan Arbizu , Jesse Collins
CPC classification number: H04L41/0654 , G06F11/0709 , G06F11/0757 , G06F11/0793
Abstract: Techniques and architectures to provide multiple application servers each having at least one connection agent and at least one enabler agent and at least one database organized as multiple nodes. An error condition between a first connection agent and a first database node is detected. The first connection agent indicates that the first database node is unavailable to stop attempts to access the first database node by a first application server. A first enabler agent periodically checks availability of the first database node. The first database node is indicated as available in response to a pre-selected number of successful attempts to contact the first database node with the first enabler agent. The first database node is accessed with the application server in response to the indication that the first database node is available.
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公开(公告)号：US11467866B2
公开(公告)日：2022-10-11
申请号：US15882194
申请日：2018-01-29
Applicant: salesforce.com, inc.
Inventor： Chen Liu , Ilya Zaslavsky , Alex Ovesea , Mikhail Chainani , Xiaodan Wang , Sridevi Gopala Krishnan
Abstract: A request for an organization migration to move application data and application services of an organization hosted at a source system instance in a multi-tenant computing system to a target system instance in the multi-tenant computing system is received. Based on operational parameters, a time window is selected to execute the organization migration. Computing resource usages of one or both of the source and target system instances in the selected time window are monitored. If computing resources are available, the organization migration is enqueued.
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公开(公告)号：US11132383B2
公开(公告)日：2021-09-28
申请号：US15885512
申请日：2018-01-31
Applicant: salesforce.com, inc.
Inventor： Xiaodan Wang , Mikhail Chainani , Alan Arbizu , Ashwini Bijwe
IPC: G06F16/27 , G06F16/22 , G06F16/2453
Abstract: Techniques are disclosed relating to processing data stored within database tables in a parallelized manner. In various embodiments, a computer system maintains a database having a database table storing data for a plurality of tenants and an index structure storing indexes for accessing data stored in the database table. In some embodiments, the computer system receives, from a particular tenant, a request to perform a task that includes operating on particular data. In some embodiments, the computer system determines a portion of the index structure corresponding to the particular tenant and divides a range of indexes within that portion into a plurality of index sub-ranges. In various embodiments, the computer system processes portions of the task in parallel by determining an index sub-range for each of a plurality of threads and causing each of the threads to operate on a portion of the particular data specified by its index sub-range.
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公开(公告)号：US20210224115A1
公开(公告)日：2021-07-22
申请号：US16749456
申请日：2020-01-22
Applicant: Salesforce.com, Inc.
Inventor： Xiaodan WANG , Ilya Zaslavsky , Prakash Ramaswamy , Sridevi Gopala Krishnan , Mikhail Chainani , Scott Ware , Lauren Valdivia
Abstract: A request may be received to migrate an organization from a first computing pod to a second computing pod located within an on-demand computing services organization configured to provide computing services. A migration resource utilization profile may be determined for the first computing pod. The migration resource utilization profile may identify one or more computing resources involved in transferring organizations from the first computing pod during one or more time windows. A migration time window for performing the requested migration may be selected based at least in part on the migration resource utilization profile.
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公开(公告)号：US20210064601A1
公开(公告)日：2021-03-04
申请号：US16552119
申请日：2019-08-27
Applicant: Salesforce.com, Inc.
Inventor： Mikhail Chainani , Xiaodan Wang , Vijayanth Devadhar
IPC: G06F16/23 , G06F16/215
Abstract: A staging table created in a database system may store a snapshot of live database table captured prior to an unintended change to the live database table. One or more entries in the staging table may be updated to incorporate one or more intended changes to the live database table that occurred after the unintended change. The live database table may be updated by merging each of the updated entries from the staging table to the live database table. The updated database table may eliminate the unintended change.
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