Byron C Gehman

US Patent:

7487407, Feb 3, 2009

Filed:

Jul 12, 2005

Appl. No.:

11/179241

Inventors:

Byron Christian Gehman - Austin TX, US
Sandra Lee Tipton - Austin TX, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 11/00

US Classification:

714 51, 714 26, 714 43

Abstract:

Method and apparatus for identifying a cause for a response time problem for a transaction in a distributed computing system that includes a central server and a plurality of subsystems. Data is stored at each subsystem relating to sub-transactions of transactions performed by the subsystems. When a problem is discovered in connection with the completion of a particular transaction, each subsystem of the plurality of subsystems that was involved in the particular transaction is identified, and both instance data relating to all of the sub-transactions of the particular transaction stored at each identified subsystem and current hourly aggregate data stored at each identified subsystem is forwarded to the central server. Root-Cause Analysis is then performed using the forwarded instance data and aggregate data to identify the particular subsystem that caused the transaction problem.

US Patent:

7725777, May 25, 2010

Filed:

Jan 7, 2009

Appl. No.:

12/349895

Inventors:

Byron Christian Gehman - Austin TX, US
Sandra Lee Tipton - Austin TX, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 11/00

US Classification:

714 51, 714 26, 714 43

Abstract:

Method and apparatus for identifying a cause for a response time problem for a transaction in a distributed computing system that includes a central server and a plurality of subsystems. Data is stored at each subsystem relating to sub-transactions of transactions performed by the subsystems. When a problem is discovered in connection with the completion of a particular transaction, each subsystem of the plurality of subsystems that was involved in the particular transaction is identified, and both instance data relating to all of the sub-transactions of the particular transaction stored at each identified subsystem and current hourly aggregate data stored at each identified subsystem is forwarded to the central server. Root-Cause Analysis is then performed using the forwarded instance data and aggregate data to identify the particular subsystem that caused the transaction problem.

US Patent:

7809525, Oct 5, 2010

Filed:

Jul 31, 2007

Appl. No.:

11/830896

Inventors:

Bryan Christopher Chagoly - Austin TX, US
Byron Christian Gehman - Round Rock TX, US
Andrew Jason Lavery - Austin TX, US
Sandra Lee Tipton - Austin TX, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 11/30
G21C 17/00

US Classification:

702182, 702186

Abstract:

A system or method which accesses or otherwise receives collected performance data for at least one server application, where the server application is capable of performing a plurality of transactions with client devices and the client devices are geographically dispersed from the server in known geographical locales, which automatically determines from the performance data which of the transactions are utilized by users of the client devices, which selects utilized transactions according to at least one pre-determined selection criteria, which automatically generates a transaction playback script for each of the selected transactions substituting test information in place of user-supplied or user-unique information in the transactions, which designates each script for execution from a geographical locale corresponding to the locale of the clients which execute the utilized transactions, which deploys the playback scripts to robotic agents geographically co-located with client devices according to the locale designation, and which executes the playback scripts.

US Patent:

7979406, Jul 12, 2011

Filed:

Jun 16, 2008

Appl. No.:

12/139899

Inventors:

Byron C. Gehman - Round Rock TX, US
Kirk M. Sexton - Austin TX, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 7/50

US Classification:

707703, 705 30

Abstract:

Compressing transaction data is provided. A current transaction data point is received. A determination is made as to whether the current transaction data point is a first transaction data point or a subsequent transaction data point of a set of transaction data points for a current variable length aggregation record. A further determination is made as to whether the subsequent transaction data point is within a predetermined tolerance of a predicted transaction data point in response to the current transaction data point being the subsequent transaction data point. The subsequent transaction data point is compressed into the current variable length aggregation record in response to the subsequent transaction data point falling within the predetermined tolerance of the predicted transaction data point.

US Patent:

20020078256, Jun 20, 2002

Filed:

Dec 15, 2000

Appl. No.:

09/738368

Inventors:

Byron Gehman - Cedar Park TX, US
David Robinson - Austin TX, US

Assignee:

International Business Machines Corporation

International Classification:

G06F009/46
G06F017/30
G06F007/00

US Classification:

709/318000, 707/010000

Abstract:

A directory event system for providing timely event notifications of each data manipulation of a master directory database and for providing timely event notifications of each corresponding data replication to a replicate directory database is disclosed. The directory event system includes an event master server, one or more event service servers, and one or more event client servers. For an event client server having directory clients in electrical communication with the master directory database, the event master server provides an event notification to the event client server in response to a data manipulation of the master directory database by a directory service provider server. The master directory clients can immediately poll the master directory database for the manipulated data upon receipt of an event notification from the event client server. For an event client server having directory clients in electrical communication with the replicate directory database, the event master server provides an event message to an event service server in response to the data manipulation of the master directory database by the directory service provider server. The event message includes the event notification and the sequence number, and the event service server provides the event notification to the event client server upon a replication of the sequence number within the replicate directory database. The replicate directory clients can poll the replicate directory database for the manipulated data upon receipt of the event notification from the event client server.

US Patent:

20020087519, Jul 4, 2002

Filed:

Dec 15, 2000

Appl. No.:

09/738064

Inventors:

Byron Gehman - Cedar Park TX, US
David Robinson - Austin TX, US

Assignee:

International Business Machines Corporation

International Classification:

G06F007/00

US Classification:

707/003000

Abstract:

A data distribution system comprising a database, a client and a server are disclosed. The client provides a data set request to the server. The server retrieves a first data block from the database that is responsive to the data set request. The server establishes an enumerator to provide the first data block to the client when the first data block is the only data block within the database that is responsive to the data set request. The server establishes a data provider and an enumerator when the first data block is one of two or more data blocks responsive to the data set request. The data provider retrieves two or more of the responsive data blocks, and provides the enumerator to the client. The enumerator has the first data block stored therein and provides the first data block to the client. Upon a provision of a portion of the first data block, the enumerator provides a data block request to the data provider for a second data block. The data provider provides the second data block to the enumerator in response to the data block request.

US Patent:

20070005610, Jan 4, 2007

Filed:

Sep 6, 2006

Appl. No.:

11/470443

Inventors:

Byron Gehman - Cedar Park TX, US
David Robinson - Austin TX, US

International Classification:

G06F 17/30

US Classification:

707010000

Abstract:

A directory event system for providing timely event notifications of each data manipulation of a master directory database and for providing timely event notifications of each corresponding data replication to a replicate directory database is disclosed. The directory event system includes an event master server, one or more event service servers, and one or more event client servers. For an event client server having directory clients in electrical communication with the master directory database, the event master server provides an event notification to the event client server in response to a data manipulation of the master directory database by a directory service provider server. The master directory clients can immediately poll the master directory database for the manipulated data upon receipt of an event notification from the event client server. For an event client server having directory clients in electrical communication with the replicate directory database, the event master server provides an event message to an event service server in response to the data manipulation of the master directory database by the directory service provider server. The event message includes the event notification and the sequence number, and the event service server provides the event notification to the event client server upon a replication of the sequence number within the replicate directory database. The replicate directory clients can poll the replicate directory database for the manipulated data upon receipt of the event notification from the event client server.

US Patent:

20090177692, Jul 9, 2009

Filed:

Jan 4, 2008

Appl. No.:

11/969365

Inventors:

Byran Christopher Chagoly - Austin TX, US
Byron Christian Gehman - Round Rock TX, US
Sandra Lee Tipton - Austin TX, US
Andrew Jason Lavery - Austin TX, US

International Classification:

G06F 17/30

US Classification:

7071041, 707E17044

Abstract:

A potential multicomputer related problem is predicted and reported by determining a set of computer resources and relationships there between needed to complete a multicomputer business transaction, retrieving performance monitoring metrics for the computer resources during executions of the multicomputer transaction, dynamically deriving correlations between the resource relationships and the performance metrics, comparing a trend of the correlations to one or more service level requirements to predict one or more potential future violations of a business transaction requirement, including identification of one or more related resources likely to cause the violation, and reporting such prediction and likely case to an administrator.