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project get slower and memory usage is quite larger than that of a new project

Bug Reports

After running a backtest with 2–3 days of 5-minute data, the project becomes very sluggish — all operations slow down as if I were using an old computer, and sometimes it even freezes. A new project typically uses about 500MB of memory, but an older project grows to around 1.2GB. I’m not sure what’s causing this, but I suspect there might be a memory leak or some other performance optimization issue on your web platform.

For reference, my computer has 16GB of RAM, and I’ve never experienced such lag when backtesting data on TradingView.

new project

current project

How does this impact your experience?
Posted by Hendry5479 ·
4 comments

Comments4

  • Roman Fedorov

    •

    Sep 16, 2025

    Hi @Hendry . The more data loaded in the project, the more memory it will take at the moment. We are working in every update on optimizing the software.

    • Hendry5479

      •

      Sep 16, 2025

      no, the real problem is the web become sluggish and it affect the user experience.

      i dont care how much the memory it takes.

      please tell me how to solve the problems.

      do i have to new a project after replaying 2-3 day’s 5min bar ?

      • Hendry5479

        •

        Sep 16, 2025

        maybe you need to replay 2-3 day’s 5min bar and draw some line or text, make some orders to see if you will get the same situation.

        • Diana Zhoshko

          Team•

          Sep 16, 2025

          Hi @Hendry,

          I'm truly sorry to hear about the frustrating experience you’ve had with our platform,

          Here are a few steps that might help reduce the lag:

          • Clear your browser cache

          • Reduce the replay speed

          • Minimize the number of indicators on the chart

          After trying these steps, please let me know if the situation improves.