Page 1 of 1
Maximum Number of Bars that can be Loaded
Posted: Jul 23 2007
by Guest
Is there a limit to the number of bars that can be loaded?
Here is the situation :
Strategy that gets signal from Data2 which is a 7 minute bar. Entry comes from Data1 which is a 1 minute bar to simulate intrabar on the 7 min.
Feeding chart with TS Forex data. Data is back to 10/21/2002.
When I try to load MC from today back through 11/1/2002 the 1 min data stops around 7/2004 showing just over 1Million 1 Min bars. The 7 Min data goes all the way back to 11/1/2002.
I can slide the 'window' for the data all around, for instance if I move the end date back by a year to 7/23/2006 (with start date still 11/1/2002) then the 1 Min bars go back to around 8/1/2003. Interestingly still just over 1 Million 1 minute bars.
Any thoughts, thanks.
Posted: Jul 27 2007
by Andrew Kirillov
There is no such limitation. I loaded 3.5 million bars. What is your RAM size? Did you monitor available memory in Task Manager?
Posted: Jul 27 2007
by Guest
Thanks Andrew for checking.
The system the PC is a C2D running at 3GHz with 4 GB of ram though running 32 bit XP-Pro so not all the ram is available.
Maybe a little more detail might help.
This occured after an optimization. The optimization period was 11/1/2003 - 6/30/2006. The trouble happened after the optimization had finished and I then went to open up the date ranges to see the In Sample and Out of Sample results.
I just tried to load it again. This time one data stream (1 Min GBPUSD 11/1/2002 - 7/27/2007) Still can only load just over 1 Million bars. With this request the chart data begins 7/24/2004. If I change the request to 7/27/2006 the chart data goes back to 8/18/2003.
I just repeated with EURUSD and have similar results - chart data begins on 7/7/2004 with and end date of today.
Also, just tried with @ES. Similar results. As I watched the quote count increment as soon as it crossed the 1 milion mark it stopped loading and brought chart onto screen.
hmmm
pic of task manager is attached. don't think it a memory issue.
[SOLVED]
Posted: Jul 30 2007
by Marina Pashkova
It turns out that there is a limitation which restricts downloading over 1 million bars. To overcome this limitation you need to go to registry, make a search and and change the key MaxBarCount = 1000000 to MaxBarCount = 10000000 (i.d. change 1 million to 10 million bars).
Posted: Jul 30 2007
by Guest
thats great news, thank you Marina.
Posted: Jul 30 2007
by Guest
works, thanks again
MaxMinuteIntervalInDays and MaxTickIntervalInDays?
Posted: Oct 03 2007
by 2haerim
Would you explain what are these two registry value mean?
Re: MaxMinuteIntervalInDays and MaxTickIntervalInDays?
Posted: Oct 03 2007
by Marina Pashkova
Would you explain what are these two registry value mean?
MaxMinuteIntervalInDays and MaxTickIntervalInDays are of no relevance for MultiCharts.
They are used in MCFX: since the data is continually requested and received these keys help to divide this continuous request into a number of smaller ones.
Posted: Jan 03 2008
by wall richard
It turns out that there is a limitation which restricts downloading over 1 million bars. To overcome this limitation you need to go to registry, make a search and and change the key MaxBarCount = 1000000 to MaxBarCount = 10000000 (i.d. change 1 million to 10 million bars).
Posted: Jan 03 2008
by wall richard
Where is the registry to change MaxBarCount located?
Thanks,
stork
Posted: Jan 09 2008
by Marina Pashkova
Hello Stork,
To call up the Registry Editor, go to Start -> Run and type in 'regedit'.
In the editor window that will be brought up, go to HKEY_Current_ User\Software\TS Support\MultiCharts\Shaper - MaxBarCount. Double-click MaxBarCount and type in the required value.
Regards.