Stripe, Inc.

Microsoft Technology Licensing, LLC

Ritesh Kumar

Garret Buban

Priyanka Raju

Susindaran Elangovan

Garret J Buban

A method and apparatus for performing search system upgrades is described. The method may include processing a software upgrade for a search system cluster distributed over one or more nodes, the one or more nodes comprising current search system data nodes. The method may also include allocating at least a set of one or more search system data nodes for the software upgrade including at least one upgraded search system data node. Furthermore, the method can include receiving, during the software upgrade, transaction data for a transaction, and receiving search requests to be executed by the search system cluster. Additionally, the method may include performing ingestion of all received transaction data comprising storing and indexing the transaction data in both the current search system data nodes and the at least one upgraded search system data node, and processing the search requests by the search system cluster against the current search system data nodes until the software upgrade is determined to be complete.

Systems and methods for zero downtime distributed search system updates

A method and apparatus for verifying integrity of search system data is described. The method may include accessing a first and second snapshot of search system data, the search system data in each snapshot including transaction data generated by a commerce platform system in response to transactions performed by the commerce platform system. The method may also include accessing an operation log of operations performed on the transaction data during a time between when the first snapshot was generated and a time when the second snapshot was generated. Furthermore, the method may include transforming the transaction data from the first snapshot based on the operations in the operation log to generate validated transaction data in a validated second snapshot, and determining a reliability of the transaction data at the second time period based on a comparison of transaction data from the second snapshot with the validated transaction data from the validated second snapshot.

Systems and methods for ensuring quality of search system data

Embodiments of the present invention relate to detecting and rectifying corruption in a distributed clock in a distributed system. Aspects may include receiving a sequence number used as part of the distributed clock at a node and determining if the sequence number is corrupt. In order to provide an effective mechanism for determining a sequence number is corrupt and taking corrective actions, a valid sequence number range may be determined, a propagation count associated with the sequence number may be evaluated, an estimated sequence number may be calculated, and an epoch number associated with the sequence number may be evaluated. Additionally, in exemplary aspects node with a corrupt trusted sequence values may self diagnosis and terminate associated processes to prevent further propagation of the corrupt sequence number.

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Seattle, WA, United States of America

Ritesh Kumar