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I heard that host-based databse monitoring systems degrade performance – why is it that Hedgehog does not?

April 26, 2017databse degrade heard hedgehog host-based monitoring PERFORMANCE SYSTEMS

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I heard that host-based databse monitoring systems degrade performance – why is it that Hedgehog does not?

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The previous generation of host-based systems monitored the database by either intercepting system calls that pass between database server applications and the host operating system, accessing the input queue, or reading database logs. Hedgehog uses a different, nonintrusive method of sampling the database server’s cache memory – this has a negligible effect on performance as explained above.