发明授权
US06345280B1 System of compressing a log stream using a scratch pad of logically deleted entries
有权
使用逻辑删除条目的临时数据块压缩日志流的系统
- 专利标题: System of compressing a log stream using a scratch pad of logically deleted entries
- 专利标题(中): 使用逻辑删除条目的临时数据块压缩日志流的系统
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申请号: US09298383申请日: 1999-04-23
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公开(公告)号: US06345280B1公开(公告)日: 2002-02-05
- 发明人: Carl Edward Clark , Steven Jay Greenspan , Hiren Ramlal Shah
- 申请人: Carl Edward Clark , Steven Jay Greenspan , Hiren Ramlal Shah
- 主分类号: G06F900
- IPC分类号: G06F900
摘要:
Managing a log stream of a computer system. An entry of a log stream, desired to be removed from the log stream, but not eligible for removal, is logically deleted. Logical deletion keeps the entry on the log stream and indicates that the entry can be removed from the log stream when it is eligible. When the entry is eligible, it is removed. If a desired entry remains at the tail of the log stream for a given period of time, thus not all owing the removal of one or more undesired entries, the desired entry is rewritten to the head of the log stream and deleted from the tail. Thereafter, other logically deleted entries eligible for deletion are removed from the log stream.
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