Pivotal Software, Inc.

Vmware, Inc.

Bruce Schuchardt

Sudhir Menon

Anilkumar M Gingade

David Whitlock

Robert F Bretl

Daniel Allen Smith

David J Monnie

Darrel Scott Schneider

Eric J Zoerner

Michael A Nastos

Xiaojian Zhou

Data accessible to a first process is replicated for use by a second process. Modifications to the data during the replication process may cause algorithms requiring the values of data both before and after replication to pause. Sending the values of the datum, before and after modification, to a process that will access the replicated data enables algorithms that use both values to initiate execution without waiting for the replication process to be completed.

Preventing pauses in algorithms requiring pre-image information concerning modifications during data replication

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for distributed data management. One of the methods includes maintaining, by a first member in a distributed data management system having multiple computing members installed on multiple respective computers, a first garbage collection version vector that includes, for each member in the distributed data management system, a garbage collection version that represents a number of garbage collection processes performed by the member on a respective copy of a replicated data region maintained by the member in the data management system. If the first garbage collection version vector is different than a second garbage collection version vector received from a different provider member, a first replication process is performed that is different than a second replication process that is performed when the first garbage collection version vector matches the second garbage collection version vector.

Data management platform

Event routing in a distributed computing system with distributed data management is optimized by communicating events a datum only to either backup server processes or server processes respectively associated with an application process having an interest in an event affecting the datum.

Optimized event routing in distributed data management

Event routing in a distributed computing system with distributed data management is optimized by communicating an event affecting a datum only to either backup server processes or server processes respectively associated with an application process having an interest in an event affecting the datum.

The present invention relates to a system for monitoring an object space shared among plural applications. Objects stored in the shared space are registered for monitoring and the system receives data related to the registered objects that can be utilized to perform statistical analysis, for example, relating to the overall health of the applications.

Object monitoring system in shared object space

To ensure data consistency for a new data replica created for a computing system, the transmission and receipt of messages altering the data are monitored and replication of the data is permitted when all changes to the data that have been transmitted to the data have been received.

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Newberg, OR, United States of America

Bruce Schuchardt