Patents by Inventor Oleksandr Shepil

Oleksandr Shepil has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8862540
    Abstract: Methods and systems are described that involve replica placement strategy for distributed systems. At the time of index creation, initial index replica placement is decided. The first index replica is placed locally on the current processing server node. This server node operates as a master host for the first replica. The other index replicas are placed on different hosts depending on the index type, split index or non-split index, and a set of criteria. For non-split indexes, the set of criteria includes: a number of recently created replicas per host, resource usage per host, and a total number of replicas per host. For split indexes, the set of criteria includes: a number of replicas of any split index part per host and a number of local first replicas of split index parts. If all criteria re equal, the first host in alphanumeric ordering receives a next replica.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: October 14, 2014
    Assignee: SAP SE
    Inventors: Olga Mordvinova, Oleksandr Shepil
  • Publication number: 20130085990
    Abstract: Methods and systems are described that involve replica placement strategy for distributed systems. At the time of index creation, initial index replica placement is decided. The first index replica is placed locally on the current processing server node. This server node operates as a master host for the first replica. The other index replicas are placed on different hosts depending on the index type, split index or non-split index, and a set of criteria. For non-split indexes, the set of criteria includes: a number of recently created replicas per host, resource usage per host, and a total number of replicas per host. For split indexes, the set of criteria includes: a number of replicas of any split index part per host and a number of local first replicas of split index parts. If all criteria re equal, the first host in alphanumeric ordering receives a next replica.
    Type: Application
    Filed: November 26, 2012
    Publication date: April 4, 2013
    Inventors: OLGA MORDVINOVA, OLEKSANDR SHEPIL
  • Patent number: 8346722
    Abstract: Methods and systems are described that involve replica placement strategy for distributed systems. At the time of index creation, initial index replica placement is decided. The first index replica is placed locally on the current processing server node. This server node operates as a master host for the first replica. The other index replicas are placed on different hosts depending on the index type, split index or non-split index, and a set of criteria. For non-split indexes, the set of criteria includes: a number of recently created replicas per host, resource usage per host, and a total number of replicas per host. For split indexes, the set of criteria includes: a number of replicas of any split index part per host and a number of local first replicas of split index parts. If all criteria are equal, the first host in alphanumeric ordering receives a next replica.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: January 1, 2013
    Assignee: SAP AG
    Inventors: Olga Mordvinova, Oleksandr Shepil
  • Publication number: 20110125704
    Abstract: Methods and systems are described that involve replica placement strategy for distributed systems. At the time of index creation, initial index replica placement is decided. The first index replica is placed locally on the current processing server node. This server node operates as a master host for the first replica. The other index replicas are placed on different hosts depending on the index type, split index or non-split index, and a set of criteria. For non-split indexes, the set of criteria includes: a number of recently created replicas per host, resource usage per host, and a total number of replicas per host. For split indexes, the set of criteria includes: a number of replicas of any split index part per host and a number of local first replicas of split index parts. If all criteria are equal, the first host in alphanumeric ordering receives a next replica.
    Type: Application
    Filed: November 23, 2009
    Publication date: May 26, 2011
    Inventors: OLGA MORDVINOVA, Oleksandr Shepil