Efficient replication of system transactions for read-only nodes of a distributed database

T Kharatishvili, PJ Madhavarapu, AW Gupta - US Patent 9,280,591, 2016 - Google Patents
(57) ABSTRACT A distributed database system may efficiently replicate sys tem transactions
one or more read-only nodes. An update to a distributed database may be received. One or …

Distributed in-memory buffer cache system using buffer cache nodes

AW Gupta, MD Allen - US Patent 9,880,933, 2018 - Google Patents
A separate distributed buffer cache system may be implemented for a storage client of a
distributed storage system. Storage I/O requests may be sent from a storage client to one or …

Database system with database engine and separate distributed storage service

AW Gupta, N Fachan, SJ McKelvie, LD Burchall… - US Patent …, 2016 - Google Patents
(57) ABSTRACT A database system may include a database service and a separate
distributed storage service. The database service (or a database engine head node thereof) …

Managing contingency capacity of pooled resources in multiple availability zones

GAMD McAlister, SJ McKelvie, AW Gupta - US Patent 9,208,032, 2015 - Google Patents
(21) Appl. No.: 13/894,969(57) ABSTRACT (22) Filed: May 15, 2013 A network-based
services provider may reserve and provi sion primary resource instance capacity for a given …

User interface for selecting tracing origins for aggregating classes of trace data

AG Gounares, BB Baril, CD Garrett - US Patent 9,772,927, 2017 - Google Patents
A tracing system may define an origin for consolidating and comparing trace paths within a
traced application. A tracer may define an identifier that may be passed through a tracing …

Relationships derived from trace data

Y Li, AG Gounares, CD Garrett, RS Krajec - US Patent 9,665,474, 2017 - Google Patents
An analysis system may perform network analysis on data gathered from an executing
application. The analysis system may identify relationships between code elements and use …

Log record management

PJ Madhavarapu, N Fachan, AW Gupta… - US Patent …, 2016 - Google Patents
A database system may maintain a plurality of log records at a distributed storage system.
Each of the plurality of log records may be associated with a respective change to a data …

Efficient replication of distributed storage changes for read-only nodes of a distributed database

PJ Madhavarapu, SJ McKelvie, AW Gupta… - US Patent …, 2016 - Google Patents
A distributed database system may efficiently replicate distributed storage system changes
on one or more read-only nodes. Storage metadata that indicates an access scheme for …

Efficient garbage collection for a log-structured data store

YV Leshinsky, JM Corey, SJ McKelvie… - US Patent …, 2016 - Google Patents
“Bloom Filter'Downloaded from http://en. wikipedia. org/wiki/Bloom filter on May 15, 2013,
pp. 1-12. John Clarke “SQL Result Set Cache in Oracle 11 gR2” published Nov. 16, 2011 …

Efficient read replicas

AW Gupta, PJ Madhavarapu, SJ McKelvie… - US Patent …, 2020 - Google Patents
A database system may receive a write request that specifies a modification to be made to a
particular data record stored by the database system. A log record representing the …