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Workspaces taking too long to load
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Workspaces taking too long to load

  #1 (permalink)
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Workspaces taking too long to load

I just started having a problem with Workspaces in Ninjatrader. The workspaces were taking way too long to load. I noticed that the size of the workspaces was increasing even if only a minor change was made to a single chart - say a moving average was added or even deleted and then the workspace was saved. The size of the workspace would almost double with such a small change. Over the past couple of weeks basically the same workspace has grown from about 2 KB to 14 KB. I don't know what is causing this and it is quite frustrating as a simple workspace with only a few charts will take a long time to load, or in some cases I have to shutdown, reboot and create the workspace all over again.
I have repaired the database and reset the instruments but this hasn't helped. I do not save historical chart data or record for market replay.
My computer is a Dell XPS8300 desktop with i7-2600 processor and 16GB RAM. It is used primarily for trading so I don't think it's a computer issue.
If anyone knows what is causing this or has any suggestions it would be very much appreciated.
Thanks

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  #2 (permalink)
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Check here:
https://futures.io/ninjatrader/23998-speeding-up-ninjatrader-ram-drive.html

Mike

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  #3 (permalink)
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Mike, thanks for the link but I'm really interested in what Ninja is doing to my workspaces and why. It just doesn't make sense that they would explode in size the way they have when there's been really minimal changes to the charts. Speeding up the load would certainly help but doesn't resolve the cause of the problem.

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  #4 (permalink)
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They are just XML files, open them up and compare them side-by-side looking for changes.

Mike

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  #5 (permalink)
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flipper26 View Post
I just started having a problem with Workspaces in Ninjatrader. The workspaces were taking way too long to load. I noticed that the size of the workspaces was increasing even if only a minor change was made to a single chart - say a moving average was added or even deleted and then the workspace was saved. The size of the workspace would almost double with such a small change. Over the past couple of weeks basically the same workspace has grown from about 2 KB to 14 KB. I don't know what is causing this and it is quite frustrating as a simple workspace with only a few charts will take a long time to load, or in some cases I have to shutdown, reboot and create the workspace all over again.
I have repaired the database and reset the instruments but this hasn't helped. I do not save historical chart data or record for market replay.
My computer is a Dell XPS8300 desktop with i7-2600 processor and 16GB RAM. It is used primarily for trading so I don't think it's a computer issue.
If anyone knows what is causing this or has any suggestions it would be very much appreciated.
Thanks

Sometimes workspaces get 'corrupted', and will not load, or even sometimes cause NT to not be able to start at all. Since XML files are parsed, I cannot understand how NT cannot detect an XML file with bad format or bad data. They must not be checking the file content as they read it, or they must be writing the corrupted data themselves. Also, sometimes an abnormal NT shutdown or crash will corrupt a workspace.

I generally copy a workspace XML file to a backup file as soon as I set it up, then I can restore the workspace from that backup file if I encounter any weird workspace issues.

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  #6 (permalink)
Market Wizard
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monpere View Post
Sometimes workspaces get 'corrupted', and will not load, or even sometimes cause NT to not be able to start at all. Since XML files are parsed, I cannot understand how NT cannot detect an XML file with bad format or bad data. They must not be checking the file content as they read it, or they must be writing the corrupted data themselves. Also, sometimes an abnormal NT shutdown or crash will corrupt a workspace.

I generally copy a workspace XML file to a backup file as soon as I set it up, then I can restore the workspace from that backup file if I encounter any weird workspace issues.

hey Flipper,i had similar problems,and i had some corrupted data.I emailed support at nt,and they recommended some areas to start with.The first was the ninja cache,which i cleared.Also, in the ninja file,i remember having to work on some of the db andlog data.In the end ,i redid my workspace 3 times,which was annoying.

I dont know what caused thre corruption,but it might have been a bad xml file, or an indicator.Aslo,i was using momentum bars,and i switched bac to range bars.

Contact ninja support,and they are very helpful...hope this helps

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  #7 (permalink)
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monpere View Post
Sometimes workspaces get 'corrupted', and will not load, or even sometimes cause NT to not be able to start at all. Since XML files are parsed, I cannot understand how NT cannot detect an XML file with bad format or bad data. They must not be checking the file content as they read it, or they must be writing the corrupted data themselves. Also, sometimes an abnormal NT shutdown or crash will corrupt a workspace.

I generally copy a workspace XML file to a backup file as soon as I set it up, then I can restore the workspace from that backup file if I encounter any weird workspace issues.

I totally agree with you. It's been several years I have been waiting for a fix now and those XML corruption issues continue. I think they are simply writing out via a simple parser, meaning they are not verifying the nodes. Sometimes this causes corruptions and it will blow up NT on the way in. Not sure what to suggest - I myself am keeping backups of my workspaces but it's once again something we shouldn't have to do. Just like their data repository problems this is one of the areas where NT7 requires some refactoring. I have been waiting since 6.0 and perhaps 8.0 will get us there? ;-)

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