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To properly benchmark with caching enabled, what is usually done is: 1) Run once to get file cached 2) Run again to get accurate performance metrics with caching included Ryan On Fri, Mar 25, 2016 at 9:45 AM, Sean Arms <sarms@xxxxxxxx> wrote: > Greetings Benjamin, > > You may be able to tweak the Disk and Object caching options in > threddsConfig.xml to turn off as much of the caching as possible (i.e. > setting max/min files to keep, max/min size, scour, etc.). However, we have > not tried this before so we are not sure how well this will work. I > understand wanting a clean performance test, but unless you are going to > try to run your server without caching, then from a user or your servers > standpoint, it would be good to keep caching turned on in the performance > testing. Please do let us know how the testing goes! > > Cheers, > > Sean > > > On Tue, Mar 22, 2016 at 3:55 AM, Benjamin Ebermann < > Benjamin.Ebermann@xxxxxxxxxxxxx> wrote: > >> Hi TDS Support-Team, >> >> I woud like to test the best NetCDF configuration for as specific >> problem. For this I simulate requests to the TDS and measure the access >> time. For more robust results I repeat the tests 20 times, but the TDS >> caches a lot and the results are falsified. The question is: how can I turn >> off the cache for the tests in order to get a reliable measure of the >> access time? >> >> We use: TDS 4.6.2 >> >> Many thanks in advance. >> >> Benjamin Ebermann >> >> -- >> ------------------------------------------------------------------------ >> Benjamin Ebermann phone : +49-351-463.33840 >> Institut fuer Planetare Geodaesie fax : +49-351-463.37063 >> Technische Universitaet Dresden email : >> benjamin.ebermann@xxxxxxxxxxxxx >> D-01062 Dresden, Germany web : tu-dresden.de/geo/ipg/gef >> ------------------------------------------------------------------------ >> >> >> >> _______________________________________________ >> thredds mailing list >> thredds@xxxxxxxxxxxxxxxx >> For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ >> > > > _______________________________________________ > thredds mailing list > thredds@xxxxxxxxxxxxxxxx > For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/ > -- Ryan May, Ph.D. Software Engineer UCAR/Unidata Boulder, CO
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