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Metatrader memory usage problem when backtesting
wahjay

Členem od Oct 08, 2011  41 zpráv(a,y) WahJay (wahjay) Mar 29 2013 at 10:44
Hi everyone,

I backtested some EA's for the past 2 days and now MT4 ate more than 10 giga of my free disk space. I'm left with no free disk space.

So how do you manage to produce good quality backtests with this issue and how do you delete the data stored after the backtest is finished?

Thanks

TheCyclist

Členem od Feb 07, 2011  724 zpráv(a,y) PipGnostic (TheCyclist) Apr 02 2013 at 14:31
It's jour journals. You need to delete them.

Just right click Experts and Journal tabs and then open them, will give you a list, delete them.

If you don't do it MT will write over itself and become unstable.

 

MeElse

Členem od Apr 05, 2013  3 zpráv(a,y) ທິມ ສະຫວ່າງ (MeElse) Apr 07 2013 at 08:45
The big file size is in history folder. To see and delete it, do the following steps:
Step1 : In mt4, click Tools>History Center>Export
Step2 : For Save as type choose All Files.
Step3 : Go to folder tester>history. Delete the big files in history folder.

eastore

Členem od Nov 07, 2012  3 zpráv(a,y) eastore Apr 16 2013 at 07:58
Some EA store information in files during test.
In addition to files mentioned above you should also check the folder
... / tester / files

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CandleForex

Členem od Feb 10, 2011  36 zpráv(a,y) CandleFOREX (CandleForex) May 15 2013 at 02:09
We wrote a blog post how to do that very quickly:

https://metatraderprogramming.com/delete-metatrader-logs-quickly/

We also provided a batch file to automate the job, just download the file and double click the file, and then all your logs are gone!
Big time saver.

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