发明名称 |
Restartable database loads using parallel data streams |
摘要 |
A method and computer program for reducing the restart time for a parallel application are disclosed. The parallel application includes a plurality of parallel operators. The method includes repeating the following: setting a time interval to a next checkpoint; waiting until the time interval expires; sending checkpoint requests to each of the plurality of parallel operators; and receiving and processing messages from one or more of the plurality of parallel operators. The method also includes receiving a checkpoint request message on a control data stream, waiting to enter a state suitable for checkpointing, and sending a response message on the control data stream.
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申请公布号 |
US6834358(B2) |
申请公布日期 |
2004.12.21 |
申请号 |
US20010819275 |
申请日期 |
2001.03.28 |
申请人 |
NCR CORPORATION |
发明人 |
KORENEVSKY GREGORY;YUNG ALEX P. |
分类号 |
G06F11/00;G06F11/14;G06F11/30;G06F15/16;G06F17/30;(IPC1-7):G06F11/00 |
主分类号 |
G06F11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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