Invention Grant
- Patent Title: Suspending and resuming continuous queries over data streams
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Application No.: US13839148Application Date: 2013-03-15
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Publication No.: US09910896B2Publication Date: 2018-03-06
- Inventor: Sailesh Krishnamurthy , Chris Metz , Rex E. Fernando , Jisu Bhattacharya
- Applicant: Cisco Technology, Inc.
- Applicant Address: US CA San Jose
- Assignee: CISCO TECHNOLOGY, INC.
- Current Assignee: CISCO TECHNOLOGY, INC.
- Current Assignee Address: US CA San Jose
- Agency: Hickman Palermo Becker Bingham LLP
- Main IPC: G06F17/30
- IPC: G06F17/30

Abstract:
In an embodiment, a method comprises processing an input data stream as the data stream is streamed and producing a derived stream therefrom; storing the input data stream in an input archive; suspending processing of the input data stream; subsequent to suspending processing, resuming processing of the input data stream, wherein resuming comprises: storing newly received data in the input data stream in a buffer, as the input data stream is streamed; determining a first timestamp; determining a second timestamp; searching the input archive to find a data item that matches the first timestamp of the last processed data item; processing data in the input archive having timestamps that are greater than the first timestamp until arriving at data with a third timestamp that is greater than the second timestamp; processing the input data stream from the buffer; continuing processing the input data stream as the input stream is streamed.
Public/Granted literature
- US20140280325A1 SUSPENDING AND RESUMING CONTINUOUS QUERIES OVER DATA STREAMS Public/Granted day:2014-09-18
Information query