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PC's Memory Usage for MT4

  • #1
  • First Post: Jul 19, 2021 12:06pm Jul 19, 2021 12:06pm
Hi Programmers, I need your advice.

I am testing a same EA, same setfile and same formulas on three MT4 but only different demo accounts and different servers, two of the MT4 have been running for more than 1 month and their memory usages are more or less the same.

I set up another new MT4 today and the CPU usages for the 3 accounts are more or less the same, but the memory usage is 50% lower than the other two accounts.

I notice the longer period that I run the MT4s (24/5), the memory usages will be getting higher.

Questions :-

1) What factors that cause the increment of the memory usages ?

2) Are there ways to housekeeping / reduce the memory usages after running the MT4s for a period of time ?

Hope you can help, thanks.
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  • #2
  • Jul 19, 2021 5:47pm Jul 19, 2021 5:47pm
Quoting chimoong
Hi Programmers, I need your advice. I am testing a same EA, same setfile and same formulas on three MT4 but only different demo accounts and different servers, two of the MT4 have been running for more than 1 month and their memory usages are more or less the same. I set up another new MT4 today and the CPU usages for the 3 accounts are more or less the same, but the memory usage is 50% lower than the other two accounts. I notice the longer period that I run the MT4s (24/5), the memory usages will be getting higher. Questions :- 1) What factors...
Hi chimoong, that may be caused by the EA. It seems like it does not deallocate the memory it uses. You will have to close and open the terminal again from time to time.

You may test the EA in the Strategy Tester and avoid the necessity to run it live for such a long time.
Algos Coder
  • #3
  • Jul 20, 2021 2:53am Jul 20, 2021 2:53am
Quoting losja
{quote} Hi chimoong, that may be caused by the EA. It seems like it does not deallocate the memory it uses. You will have to close and open the terminal again from time to time. You may test the EA in the Strategy Tester and avoid the necessity to run it live for such a long time.
Hi Losja, your suggestion did not work. I tested, unloaded the EA on an account just now, restarted the MT4 terminal and reloaded the EA again, the memory is still more or less the same.

If I uninstall the MT4 terminal and re-set up a new MT4 terminal again, the memory will surely at the great low usage, but this creates a lot of jobs. However, the longer period that I run the MT4, the higher memory usages will be.

What I want is : are there ways to housekeep / reduce the memory usages instead of uninstall and reinstall the MT4 terminal ?
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  • #4
  • Last Post: Jul 20, 2021 5:05am Jul 20, 2021 5:05am
Quoting chimoong
{quote} Hi Losja, your suggestion did not work. I tested, unloaded the EA on an account just now, restarted the MT4 terminal and reloaded the EA again, the memory is still more or less the same. If I uninstall the MT4 terminal and re-set up a new MT4 terminal again, the memory will surely at the great low usage, but this creates a lot of jobs. However, the longer period that I run the MT4, the higher memory usages will be. What I want is : are there ways to housekeep / reduce the memory usages instead of uninstall and reinstall the MT4 terminal...
You may close MT4 and open it again. There can be more issues than the EA. Like some indicator in which the EA relies. Anyway, as you say: the more time MT4 runs with that EA, the more memory will be allocated.

Even if you uninstall MT4, the problem will appear again as soon as you use whatever EA or indicator that produces that effect.

In order to reduce the memory usage, you have to code the EA or indicator again.

I still think that running the EA in the Strategy Tester will make you save too much time. You may don’t get the expected results and there won't be a need to keep it running live.
Algos Coder
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