公开(公告)号：US11003621B2

公开(公告)日：2021-05-11

申请号：US14937948

申请日：2015-11-11

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Li Mei Jiao ,  Yun Jie Qiu ,  James A. Reimer ,  Ju Wei Shi ,  Paul S. Taylor ,  Chen Wang ,  Xiao Yang Yang

IPC: G06F11/14 ,  G06F12/02 ,  G06F16/11 ,  G06F16/23

Abstract: Technical solutions are described to implement a scalable write ahead log using a distributed file system. A general aspect includes a method for providing consistency among metadata replicas and content in an enterprise content management cluster. The method includes recording a transaction log entry in response to receiving a content modification request, the transaction log entry including a version identifier set to a first version value. The method also includes updating the transaction log entry to a second version value in response to successfully modifying content and one of a plurality of metadata replicas containing metadata corresponding to the request. The method also includes updating the transaction log entry to a third version value in response to successfully modifying each of the metadata replicas. The present document further describes examples of other aspects such as methods, computer products.

公开(公告)号：US11249943B2

公开(公告)日：2022-02-15

申请号：US14954594

申请日：2015-11-30

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Li Mei Jiao ,  Yun Jie Qiu ,  James A. Reimer ,  Ju Wei Shi ,  Paul S. Taylor ,  Chen Wang ,  Xiao Yang Yang

IPC: G06F16/11 ,  G06F11/14 ,  G06F12/02 ,  G06F16/23

Abstract: Technical solutions are described to implement a scalable write ahead log using a distributed file system. A general aspect includes a method for providing consistency among metadata replicas and content in an enterprise content management cluster. The method includes recording a transaction log entry in response to receiving a content modification request, the transaction log entry including a version identifier set to a first version value. The method also includes updating the transaction log entry to a second version value in response to successfully modifying content and one of a plurality of metadata replicas containing metadata corresponding to the request. The method also includes updating the transaction log entry to a third version value in response to successfully modifying each of the metadata replicas. The present document further describes examples of other aspects such as methods, computer products.

公开(公告)号：US20170154050A1

公开(公告)日：2017-06-01

申请号：US14954733

申请日：2015-11-30

Applicant: International Business Machines Corporation

Inventor： James A. Reimer ,  Xiaoyang Yang ,  Alan T. Yaung

IPC: G06F17/30

CPC classification number: G06F16/13 ,  G06F16/122 ,  G06F16/162 ,  G06F16/215 ,  G06F16/2322 ,  G06F16/273

Abstract: Provided are techniques for optimized content object storage service for large scale content. A content object file is created. An index entry for the content object file is created with a content object key and a content object location. The content object file is appended to an aggregated file on a storage node. In response to a request to retrieve the content object file from the aggregated file, the content object key is used to access the content object location that describes the storage node, a name of the aggregated file, an offset into the aggregated file, and a size of the content object file to retrieve the content object file.

公开(公告)号：US20170154092A1

公开(公告)日：2017-06-01

申请号：US15358993

申请日：2016-11-22

Applicant: International Business Machines Corporation

Inventor： James A. Reimer ,  Xiaoyang Yang ,  Alan T. Yaung

IPC: G06F17/30

Abstract: Provided are techniques for optimized content object storage service for large scale content. A content object file is created. An index entry for the content object file is created with a content object key and a content object location. The content object file is appended to an aggregated file on a storage node. In response to a request to retrieve the content object file from the aggregated file, the content object key is used to access the content object location that describes the storage node, a name of the aggregated file, an offset into the aggregated file, and a size of the content object file to retrieve the content object file.

公开(公告)号：US11537556B2

公开(公告)日：2022-12-27

申请号：US16817051

申请日：2020-03-12

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： James A. Reimer ,  Xiaoyang Yang ,  Alan T. Yaung

IPC: G06F7/00 ,  G06F16/13 ,  G06F16/16 ,  G06F16/215 ,  G06F16/27 ,  G06F16/23 ,  G06F16/11

Abstract: Provided are techniques for optimized content object storage service for large scale content. A content object file is created. An index entry for the content object file is created with a content object key and a content object location. The content object file is appended to an aggregated file on a storage node. In response to a request to retrieve the content object file from the aggregated file, the content object key is used to access the content object location that describes the storage node, a name of the aggregated file, an offset into the aggregated file, and a size of the content object file to retrieve the content object file.