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Slow to load after large history of strategy analyzer testing...

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    Slow to load after large history of strategy analyzer testing...

    If I have strategy analyzer up and saved in my workspace then any time I restarts Ninja it can take quite some time to load (minute+). If I close strategy analyzer and save my workspace this is not the case. If I then open the strategy analyzer it takes time to load. My guess is that this has to do with the amount of historical tests I have run saved in the db in order to show up in the analyzer logs.

    Is there any way we can purge this data to boost startup time?

    #2
    Hello fxRichard,
    Thanks for your post.

    Those logs are stored inside your \Documents\NinjaTrader 8\strategyanalyzerlogs\ folder.

    However, I do not expect that you would get a performance boost from removing the Strategy Analyzer log files. Logs are simply so that you can quickly restore the parameters and backtest information for a given backtest.

    JoshNinjaTrader Customer Service

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      #3
      Thanks Josh,

      I checked my folder, I had 32,565 log items, about 1.11 GB in size total. Before deleting them it took 22 seconds to load the analyzer with Ninja already running.

      After deleting them it took < 2 seconds to load the strategy analyzer. This was on an i7 with 32gb of ram.

      I have another machine with Ninja that is an i5 Surface Pro 4 with only 8gb of ram, it too has 32k+ files and takes even longer to load.

      Deleting the files has helped speed up ninja significantly. On a side note I do many optimizations and tests etc.

      You guys may want to take this into consideration for feature/bug fix request as after time this slows ninja down quite a bit.

      Comment

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