Changes between Version 6 and Version 7 of ProjectIdeas


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Timestamp:
Mar 3, 2014, 9:40:29 AM (11 years ago)
Author:
abeccati
Comment:

rephrased

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  • ProjectIdeas

    v6 v7  
    104104
    105105Spawning from audience request at FOSS4G 2013
    106 Long running queries can be sent by mistake to the system, then execution might need to be cancelled. From web-client to server process and db a system for cancelling running queries should be established. Since there is tile streaming a "still valid request" check could be added to stop a large query if needed or process signalling could be employed. The relevance of this task extends to any interactive system providing access to large datasets, where there is potential for an unexpectedly long synchronous execution time. This project consists of:
     106For any interactive system providing access to large datasets, there is potential for an unexpectedly long synchronous execution time. execution of such long standing queries might need to be cancelled. In the rasdaman system (www.rasdaman.org) a request can come in from a web-client and go thorugh server process (array database) and a RDBMS (fetching data). A system for cancelling running queries should be investigated. Since there array database employs tile streaming, a "still valid request" check could be added or process signalling could be employed. This project consists of:
    107107 * A preliminary review of existing literature
    108108 * A review of practical cases and approaches of existing systems