Englert, S., "Load Balancing Batch and Interactive Queries in a Highly Parallel Environment",<F3.17e+05> Proc. IEEE COMPCON<F3.733e+05> Conf., San Francisco, Calif, February 1991. Home/Search Document Not in Database Summary Related Articles |
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Data Placement in Shared-Nothing Parallel Database Systems - Mehta, DeWitt (1994) (19 citations) (Correct)
....0 1 2 3 4 5 Join Query MPL 0 100 200 300 Average Join Response Time (secs) partitioned non partitioned Fig. 19. Joins absence of high priority requests. This significantly reduces query interference perceived by transactions at the disk. This mechanism is used in the Tandem Non Stop SQL product [Engl91]. 2. Dynamic delay: The second mechanism limits interference by dynamically delaying queries before execution. This reduces the average execution MPL of queries in the system leaving more disk bandwidth for the transactions 10 . In a real system, the delay period would be dynamically set to ....
Englert, S., "Load Balancing Batch and Interactive Queries in a Highly Parallel Environment",<F3.17e+05> Proc. IEEE COMPCON<F3.733e+05> Conf., San Francisco, Calif, February 1991.
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