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11. 发明授权

US07502824B2 Database shutdown with session migration 有权
标题翻译：数据库关闭与会话迁移
公开(公告)号：US07502824B2
公开(公告)日：2009-03-10
申请号：US11415557
申请日：2006-05-01
申请人： Sanjay Kaluskar , Dmitry Frumkin , Sreenivas Gollapudi , Srinath Krishnaswamy
发明人： Sanjay Kaluskar , Dmitry Frumkin , Sreenivas Gollapudi , Srinath Krishnaswamy
IPC分类号： G06F15/16 , G06F12/00
CPC分类号： G06F17/30289
摘要： When a request for a shutdown of a server (e.g. database server) is requested, existing sessions established for the clients are migrated to another server. Some sessions may not be migrated for various reasons; these sessions may be terminated without migrating them.
摘要翻译：当请求关闭服务器（例如数据库服务器）时，为客户端建立的现有会话被迁移到另一个服务器。由于各种原因，某些会话可能无法迁移; 这些会话可能会被终止而不迁移它们。

12. 发明申请

US20060200454A1 Database shutdown with session migration 有权
公开(公告)号：US20060200454A1
公开(公告)日：2006-09-07
申请号：US11415557
申请日：2006-05-01
申请人： Sanjay Kaluskar , Dmitry Frumkin , Sreenivas Gollapudi , Srinath Krishnaswamy
发明人： Sanjay Kaluskar , Dmitry Frumkin , Sreenivas Gollapudi , Srinath Krishnaswamy
IPC分类号： G06F17/30
CPC分类号： G06F17/30289
摘要： When a request for a shutdown of a server (e.g. database server) is requested, existing sessions established for the clients are migrated to another server. Some sessions may not be migrated for various reasons; these sessions may be terminated without migrating them.

13. 发明授权

US09176772B2 Suspending and resuming of sessions 有权
标题翻译：暂停和恢复会话
公开(公告)号：US09176772B2
公开(公告)日：2015-11-03
申请号：US11057043
申请日：2005-02-11
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F17/30 , G06F9/48
CPC分类号： G06F9/4856 , G06F17/30289
摘要： A session established for an application is suspended from an instance and later resumed on the server or a different server. When a session is suspended, its state is captured and persistently stored as a session image in a data repository, and the session is terminated. When the session is resumed, a new session is established on an instance, the session image of the session to resume is retrieved from the repository and restored to the newly established session. The suspension and resumption of a session may be initiated by an application, which may request the suspension and resumption of a session.
摘要翻译：为应用程序建立的会话从一个实例中暂停，然后在服务器或不同的服务器上恢复。当会话被暂停时，其状态被捕获并持久存储为数据存储库中的会话映像，并且会话终止。当会话恢复时，在一个实例上建立一个新的会话，从存储库中检索要恢复的会话的会话映像并恢复到新建立的会话。暂停和恢复会议可由申请人启动，申请可能要求暂停和恢复会议。

14. 发明授权

US07415522B2 Extensible framework for transferring session state 有权
标题翻译：可扩展的会话状态转移框架
公开(公告)号：US07415522B2
公开(公告)日：2008-08-19
申请号：US10917843
申请日：2004-08-12
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F15/16 , G06F12/00
CPC分类号： G06F17/30575 , H04L67/148
摘要： Techniques allow a client to be switched from a session on a server to another session on another server in a way that is a transparent to the application for which the initial session was established. Thus, under transparent session migration, a client is switched between sessions without executing application instructions tailored to accomplish the migration. Instead, a client-side interface component, through which the application interacts with the server, handles details of migration, modifying the internal state of the client-side interface component to effect the same. Legacy applications do not have to be modified in order to institute techniques described herein.
摘要翻译：技术允许客户端以对初始会话建立的应用程序透明的方式从服务器上的会话切换到另一个服务器上的另一个会话。因此，在透明会话迁移下，客户端在会话之间切换，而不执行为完成迁移而定制的应用程序指令。相反，应用程序与服务器交互的客户端接口组件处理迁移的细节，修改客户端接口组件的内部状态来实现。传统的应用程序不需要修改，以便建立这里描述的技术。

15. 发明申请

US20060184535A1 Suspension and resuming of sessions 有权
标题翻译：暂停和恢复会话
公开(公告)号：US20060184535A1
公开(公告)日：2006-08-17
申请号：US11057043
申请日：2005-02-11
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F17/30
CPC分类号： G06F9/4856 , G06F17/30289
摘要： A session established for an application is suspended from an instance and later resumed on the server or a different server. When a session is suspended, its state is captured and persistently stored as a session image in a data repository, and the session is terminated. When the session is resumed, a new session is established on an instance, the session image of the session to resume is retrieved from the repository and restored to the newly established session. The suspension and resumption of a session may be initiated by an application, which may request the suspension and resumption of a session.
摘要翻译：为应用程序建立的会话从一个实例中暂停，然后在服务器或不同的服务器上恢复。当会话被暂停时，其状态被捕获并持久存储为数据存储库中的会话映像，并且会话终止。当会话恢复时，在一个实例上建立一个新的会话，从存储库中检索要恢复的会话的会话映像并恢复到新建立的会话。暂停和恢复会议可由申请人启动，申请可能要求暂停和恢复会议。

16. 发明授权

US07747754B2 Transparent migration of stateless sessions across servers 有权
标题翻译：跨服务器透明地迁移无状态会话
公开(公告)号：US07747754B2
公开(公告)日：2010-06-29
申请号：US10917882
申请日：2004-08-12
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F15/16
CPC分类号： G06F17/30575 , H04L67/148
摘要： Techniques allow a client to be migrated from a session that has been established for a client on a server to another session on another server in a way that is a transparent to the application for which the initial session was established. The sessions are migrated under conditions in which a copy of session state of the session to migrate from the source node does not have to be captured and restored to a destination session.
摘要翻译：技术允许将客户端从对服务器上的客户端建立的会话迁移到另一个服务器上的另一个会话，方式对于初始会话建立的应用程序是透明的。在不需要捕获并将其恢复到目的地会话的情况下，会话将从源节点迁移的会话状态的副本迁移到该会话。

17. 发明申请

US20060149702A1 Cursor pre-fetching 有权
标题翻译：光标预取
公开(公告)号：US20060149702A1
公开(公告)日：2006-07-06
申请号：US11018101
申请日：2004-12-20
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F17/30
CPC分类号： G06F17/3048 , G06F17/3041 , G06F17/30477 , G06F17/30501 , H04L49/9005 , H04L67/2847 , H04L2012/5681
摘要： Techniques determine a quantity of rows to fetch based on memory available on a client computer and the fetch state of cursors. The techniques are used to determine a quantity of rows for “pre-fetching”. Under pre-fetching, rows in addition to those requested by an application are fetched from a database instance and stored in a “pre-fetch buffer”. The pre-fetch quantities are based on an amount of memory that is deemed available for pre-fetch buffers on a client computer and the number of cursors in the fetch state for a session at a given moment. Pre-fetching is used to hasten session migration. By fetching a quantity of rows that is larger than would be fetched if only the application-specified quantity were fetched, the fetch phase of a cursor is completed sooner. An earlier completion of the fetch phase of a session's cursors allows migration of the session to be completed sooner.
摘要翻译：技术根据客户端计算机上可用的内存和光标的获取状态确定要提取的行数。这些技术用于确定“预取”的行数。在预取前，除应用程序请求之外的行还从数据库实例获取并存储在“预取缓冲区”中。预取量基于在客户端计算机上被认为可用于预取缓冲区的存储器量，以及在给定时刻的会话的获取状态中的游标数量。预取用于加快会话迁移。如果仅获取应用程序指定的数量，则通过获取大于将被提取的行数，则光标的获取阶段将更早完成。会话的游标的提取阶段的早期完成允许更快地完成会话的迁移。

18. 发明授权

US09489424B2 Cursor pre-fetching 有权
标题翻译：光标预取
公开(公告)号：US09489424B2
公开(公告)日：2016-11-08
申请号：US11018101
申请日：2004-12-20
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F15/16 , G06F17/30 , H04L29/08 , H04L12/861 , H04L12/70
CPC分类号： G06F17/3048 , G06F17/3041 , G06F17/30477 , G06F17/30501 , H04L49/9005 , H04L67/2847 , H04L2012/5681
摘要： Techniques determine a quantity of rows to fetch based on memory available on a client computer and the fetch state of cursors. The techniques are used to determine a quantity of rows for “pre-fetching”. Under pre-fetching, rows in addition to those requested by an application are fetched from a database instance and stored in a “pre-fetch buffer”. The pre-fetch quantities are based on an amount of memory that is deemed available for pre-fetch buffers on a client computer and the number of cursors in the fetch state for a session at a given moment. Pre-fetching is used to hasten session migration. By fetching a quantity of rows that is larger than would be fetched if only the application-specified quantity were fetched, the fetch phase of a cursor is completed sooner. An earlier completion of the fetch phase of a session's cursors allows migration of the session to be completed sooner.
摘要翻译：技术根据客户端计算机上可用的内存和光标的获取状态确定要提取的行数。这些技术用于确定“预取”的行数。在预取前，除应用程序请求之外的行还从数据库实例获取并存储在“预取缓冲区”中。预取量基于在客户端计算机上被认为可用于预取缓冲区的存储器量，以及在给定时刻的会话的获取状态中的游标数量。预取用于加快会话迁移。如果仅获取应用程序指定的数量，则通过获取大于将被提取的行数，则光标的获取阶段将更早完成。会话的游标的提取阶段的早期完成允许更快地完成会话的迁移。

19. 发明申请

US20050038828A1 Transparent migration of stateless sessions across servers 有权
标题翻译：跨服务器透明地迁移无状态会话
公开(公告)号：US20050038828A1
公开(公告)日：2005-02-17
申请号：US10917882
申请日：2004-08-12
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F7/00 , G06F15/16 , G06F17/00 , G06F17/30
CPC分类号： G06F17/30575 , H04L67/148
摘要： Techniques allow a client to be migrated from a session that has been established for a client on a server to another session on another server in a way that is a transparent to the application for which the initial session was established. The sessions are migrated under conditions in which a copy of session state of the session to migrate from the source node does not have to be captured and restored to a destination session.
摘要翻译：技术允许将客户端从对服务器上的客户端建立的会话迁移到另一个服务器上的另一个会话，方式对于初始会话建立的应用程序是透明的。在不需要捕获并将其恢复到目的地会话的情况下，会话将从源节点迁移的会话状态的副本迁移到该会话。

20. 发明申请

US20050038849A1 Extensible framework for transferring session state 有权
标题翻译：可扩展的会话状态转移框架
公开(公告)号：US20050038849A1
公开(公告)日：2005-02-17
申请号：US10917843
申请日：2004-08-12
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F7/00 , G06F15/16 , G06F17/00 , G06F17/30
CPC分类号： G06F17/30575 , H04L67/148
摘要： Techniques allow a client to be switched from a session on a server to another session on another server in a way that is a transparent to the application for which the initial session was established. Thus, under transparent session migration, a client is switched between sessions without executing application instructions tailored to accomplish the migration. Instead, a client-side interface component, through which the application interacts with the server, handles details of migration, modifying the internal state of the client-side interface component to effect the same. Legacy applications do not have to be modified in order to institute techniques described herein.
摘要翻译：技术允许客户端以对初始会话建立的应用程序透明的方式从服务器上的会话切换到另一台服务器上的另一个会话。因此，在透明会话迁移下，客户端在会话之间切换，而不执行为完成迁移而定制的应用程序指令。相反，应用程序与服务器交互的客户端接口组件处理迁移的细节，修改客户端接口组件的内部状态来实现。传统的应用程序不需要修改，以便建立这里描述的技术。

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