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71. 发明授权

US08161323B2 Health monitor 有权
标题翻译：健康监护仪
公开(公告)号：US08161323B2
公开(公告)日：2012-04-17
申请号：US12252128
申请日：2008-10-15
申请人： Balasubrahmanya Kuchibhotla , Jonathan Klein , Karl Dias , Uri Shaft
发明人： Balasubrahmanya Kuchibhotla , Jonathan Klein , Karl Dias , Uri Shaft
IPC分类号： G06F11/00
CPC分类号： G06F11/0778 , G06F11/0748 , G06F11/0781 , H04L41/0681 , H04L41/16
摘要： Techniques for proactively and reactively running diagnostic functions. These diagnostic functions help to improve diagnostics of conditions detected in a monitored system and to limit/quarantine the damages caused by the detected conditions. In one embodiment, a health monitor infrastructure is provided that is configured to perform one or more health checks in a monitored system for diagnosing and/or gathering information related to the system. The one or more health checks may be invoked pro-actively on a scheduled basis, reactively in response to a condition detected in the system, or may even be invoked manually by a user such as a system administrator.
摘要翻译：主动和反应地运行诊断功能的技术。这些诊断功能有助于改善在受监控系统中检测到的条件的诊断，并限制/检疫由检测到的条件引起的损害。在一个实施例中，提供健康监视器基础设施，其被配置为在受监视的系统中执行一个或多个健康检查以诊断和/或收集与该系统有关的信息。响应于在系统中检测到的状况，或者甚至可以由诸如系统管理员的用户手动地调用一个或多个健康检查，可以在调度的基础上主动地调用。

72. 发明授权

US08095514B2 Treemap visualizations of database time 有权
标题翻译：数据库时间的Treemap可视化
公开(公告)号：US08095514B2
公开(公告)日：2012-01-10
申请号：US12365827
申请日：2009-02-04
申请人： John Beresniewicz , Jonathan Helfman , Hsiao-Te Su , Nancy Chen , Karl Dias , Graham Wood
发明人： John Beresniewicz , Jonathan Helfman , Hsiao-Te Su , Nancy Chen , Karl Dias , Graham Wood
IPC分类号： G06F17/30
CPC分类号： G06F17/30554 , G06F17/30592 , G06F17/30961 , Y10S707/99945
摘要： Particular embodiments generally relate to displaying database time using a treemap. A set of database time values is determined for a set of dimensions. The database time values measure performance of one or more databases by the time the database takes to respond to a request. The set of database time values is correlated to a set of cells in the treemap. A size of the cell is determined based on the database time value associated with it. For example, the database time value is correlated to an area of the cell. A layout of the set of cells is determined and the treemap is displayed using the layout. For example, the largest values of database time may be shown with the largest sized cells. This makes it easier for an administrator to review and analyze the database performance across multiple dimensions and determine problem areas affecting the performance of the one or more databases.
摘要翻译：具体实施方案一般涉及使用树形图显示数据库时间。为一组维度确定一组数据库时间值。数据库时间值衡量数据库响应请求时所需的一个或多个数据库的性能。数据库时间值集合与树形图中的一组单元格相关联。基于与其相关联的数据库时间值来确定单元的大小。例如，数据库时间值与单元的区域相关。确定一组单元格的布局，并使用布局显示树状图。例如，数据库时间的最大值可以用最大尺寸的单元显示。这使管理员更容易查看和分析多个维度的数据库性能，并确定影响一个或多个数据库性能的问题区域。

73. 发明申请

US20080098003A1 Database workload replay remapping infrastructure 审中-公开
标题翻译：数据库工作负载重播重新映射基础设施
公开(公告)号：US20080098003A1
公开(公告)日：2008-04-24
申请号：US11800240
申请日：2007-05-03
申请人： Karl Dias , Leonidas Galanis , Jonathan Klein , Venkateshwaran Venkataramani , Yujun Wang
发明人： Karl Dias , Leonidas Galanis , Jonathan Klein , Venkateshwaran Venkataramani , Yujun Wang
IPC分类号： G06F17/30
CPC分类号： G06F16/217
摘要： A method and apparatus for capturing database system workload and replaying that workload in a database system is provided. According to one aspect, in order to subject a test database system to the same workload to which the production database system actually would be subjected, a database server in the production system captures and records workload that the database server receives from external entities. This captured workload is processed. Processes external to a database server in the test database system send the processed workload to that database server. As a result, the test database system is subjected to the same workload to which the production database system originally was subjected. The foregoing technique permits a database administrator to determine how the production database system will fare if the difference that is present in the test database system is introduced into the production database system.
摘要翻译：提供了一种用于捕获数据库系统工作负载并在数据库系统中重播该工作负载的方法和装置。根据一个方面，为了使测试数据库系统处于生产数据库系统实际受到的相同工作负载，生产系统中的数据库服务器捕获并记录数据库服务器从外部实体接收的工作负载。处理此捕获的工作负载。测试数据库系统中数据库服务器外部的进程将处理的工作负载发送到该数据库服务器。因此，测试数据库系统受到生产数据库系统最初遭受的相同工作量的影响。如果将测试数据库系统中存在的差异引入到生产数据库系统中，则上述技术允许数据库管理员确定生产数据库系统将如何展示。

74. 发明授权

US06941360B1 Determining and registering participants in a distributed transaction in response to commencing participation in said distributed transaction 有权
标题翻译：响应于开始参与所述分布式交易，确定和注册分布式交易中的参与者
公开(公告)号：US06941360B1
公开(公告)日：2005-09-06
申请号：US09258013
申请日：1999-02-25
申请人： Alok Kumar Srivastava , Jeffrey Fischer , Karl Dias
发明人： Alok Kumar Srivastava , Jeffrey Fischer , Karl Dias
IPC分类号： G06F9/46 , G06F15/16 , G06F17/30
CPC分类号： G06F9/524
摘要： A mechanism and system are provided for making available information that identifies participants of a distributed operation by registering the information with a name service. Once the participant information has been registered with the name service, the name service supplies the information to entities that request it. An example of a distributed operation is a distributed transaction executed by two or more database servers.
摘要翻译：提供了一种机制和系统，用于通过用名称服务注册信息来提供识别分布式操作的参与者的可用信息。一旦参与者信息已经被注册到名称服务，该名称服务就将信息提供给请求它的实体。分布式操作的示例是由两个或多个数据库服务器执行的分布式事务。

75. 发明授权

US6134543A Incremental maintenance of materialized views containing one-to-one lossless joins 失效
标题翻译：增量维护包含一对一无损连接的物化视图
公开(公告)号：US6134543A
公开(公告)日：2000-10-17
申请号：US109782
申请日：1998-07-02
申请人： Andrew Witkowski , Karl Dias
发明人： Andrew Witkowski , Karl Dias
IPC分类号： G06F17/30
CPC分类号： G06F17/30306 , G06F17/30483 , Y10S707/99932 , Y10S707/99934 , Y10S707/99936
摘要： A method and apparatus are provided for performing incremental refreshes to materialized views defined by one-to-one lossless joins. Each base table of the materialized view is selected to be processed as the current "selected table". During the processing, if the selected table is the right table of an outer join, then selected columns of rows of the materialized view are set to NULL based on rows of the selected table that have been updated or deleted in the selected table after a prior refresh operation. Then, NULL values in selected columns of the materialized view are updated to reflect new values caused by updates and inserts into the selected table that occurred after the prior refresh operation. If the selected table is not the right table of an outer join, then rows from the materialized view are deleted based on rows of the selected table that have been updated or deleted in the selected table after the prior refresh operation. Then, rows are inserted into the materialized view based on updates and inserts into the selected table that occurred after the prior refresh operation. The incremental refresh techniques are "memoryless" in that they do not require a record of the sequence of changes that were made subsequent to the prior refresh operation. Techniques are described for performing the incremental refresh steps through the use of database commands and queries.
摘要翻译：提供了一种方法和装置，用于对由一对一无损连接定义的物化视图执行增量刷新。选择物化视图的每个基表作为当前的“选择的表”进行处理。在处理期间，如果所选择的表是外连接的右表，则根据所选表格中所选择的表的行在所选表格中的行之后，将物化视图的所选行列设置为NULL 刷新操作。然后，物化视图的选定列中的NULL值将被更新，以反映由更新引入的新值，并插入到先前刷新操作之后发生的所选表中。如果所选表格不是外连接的右表，则根据在先前刷新操作之后的所选表格中已更新或删除的所选表格的行，将删除物化视图中的行。然后，根据在先前刷新操作之后发生的所选表格中的更新和插入，将行插入物化视图。增量刷新技术是“无记忆”，因为它们不需要在先前刷新操作之后进行的变化序列的记录。描述了通过使用数据库命令和查询执行增量刷新步骤的技术。

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