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More NT Freeze
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Created: by tigertrader Attachments:4

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More NT Freeze

  #1 (permalink)
Philly, Pa
Trading Experience: Master
Platform: NinjaTrader
Favorite Futures: ES, ZB
tigertrader's Avatar
Posts: 5,949 since Jul 2010
Thanks: 6,314 given, 32,044 received

More NT Freeze

I have only 1 workspace with 9 charts, set back 7-15 days, all 5-30 min., but with multiple 3rd party indicators,

I'm running an Origin Genesis PC with an overclocked 980X chip and 12MB memory, 3 monitors on NV Quadro FX380 cards, Windows 7 Ultimate,

NT6.5-ZenFire feed.

Comcast 20Mbs internet connection, waiting to upgrade to 105 Mbs when it becomes available 11/2010.

Norton Anti-virus is disabled while trading,

and my dom and charts are still freezing up...

What is the solution, besides going to another platform?

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  #2 (permalink)
Taipei Taiwan
Trading Experience: Advanced
Platform: NinjaTrader
Broker/Data: Optimus
Favorite Futures: TW
Posts: 693 since Jun 2009
Thanks: 441 given, 448 received

tigertrader View Post
I have only 1 workspace with 9 charts, set back 7-15 days, all 5-30 min., but with multiple 3rd party indicators,

You have to watch those. Some are written in a less than efficient way.

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  #3 (permalink)
Legendary the coin hunter
Trading Experience: Intermediate
Platform: ninja
Favorite Futures: NQ
cory's Avatar
Posts: 5,944 since Jun 2009
Thanks: 818 given, 7,636 received

9 x multiple indicators x 15 days of data = lots of things can go wrong. One way to debug it is to run one chart at a time and add back indicators one by one or try to do backup, install a new NJ and restore.

ps. a clean uninstall norton could help, there is really no need for that piece of software,stay away from norton, mcaffee.

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  #4 (permalink)
Vancouver, WA
Trading Experience: Intermediate
Platform: NinjaTrader
Posts: 11 since Jun 2009
Thanks: 1 given, 2 received

I agree.
Workspaces can become corrupt.
Delete workspace and start a new one
by doing what cory suggests.

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  #5 (permalink)
Trading Experience: Intermediate
Platform: NinjaTrader
Broker/Data: Mirus/Zen-Fire
Favorite Futures: ES
Posts: 155 since Jun 2009
Thanks: 709 given, 175 received

I had similar issues with even less charts. Followed NTs instructions to rebild DB etc. No help. I upgraded to NT7 and have had very few issues. It has been very solid for me.


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  #6 (permalink)
Phoenix AZ/USA
Trading Experience: Beginner
Platform: TradeNavigator
Favorite Futures: ES
casey44's Avatar
Posts: 138 since Jan 2010
Thanks: 2,016 given, 133 received

Tiger, fwiw, here's my experience. I usually have over a dozen charts up, about like you describe. Never had a freeze but has been slow to load at times. I learned the following from an NT tech that I now do once a week or so. Tools > Options > Misc. > Repair DB. Then after that's done, Reset DB. And that's cured whatever problem I had. For all I know there could be a downside to this that could affect your setup and not mine, so best to hear it from NT yourself I'd think.

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  #7 (permalink)
Market Wizard
Berlin, Europe
Trading Experience: Advanced
Platform: NinjaTrader, MultiCharts
Broker/Data: Interactive Brokers
Favorite Futures: Keyboard
Fat Tails's Avatar
Posts: 9,771 since Mar 2010
Thanks: 4,233 given, 26,222 received

Freeze or no freeze?

I use NinjaTrader since several years, have had lots of crashes, but never had a freeze. And my PC is a reliable server with a single Xeon 5140 processor, which is over three years old. Probably much slower than all of yours. I use up to 10 different charts, each of them with at least 15 indicators.

The problem is that many users put their indicators in CalculateOnBarClose = false mode. This means that OnBarUpdate() is triggered with every incoming tick, and if you use a fast datafeed such as Zenfire, this will be the end of NinjaTrader, as even the fastest PC cannot process all those signals.

So the first thing to do is to set all indicators in all charts and workspaces to CalculateOnBarClose = true. This means that the last bar or the last value of the indicator is only plotted, once the bar is complete. NinjaTrader will only calculate the indicator once per bar and not several thousand times with each incoming tick. However, you only will see the value of the indicator after the bar period is complete.

Another reason might be RAM exhaustion. If your PC has less than 3 GByte of RAM you are a canidate for this problem.

Otherwise I would be interested, how you manage to create a freeze of NinjaTrader.

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The following 4 users say Thank You to Fat Tails for this post:
  #8 (permalink)
Trading Experience: Advanced
Platform: NinjaTrader7
Broker/Data: Mirus RCG/Zen-Fire
Favorite Futures: CL & 6e, looking at ES, ZB and AU again.
ZTR's Avatar
Posts: 2,099 since Nov 2009
Thanks: 1,104 given, 1,392 received

There has been a lot of work done to improve Beta 20 over all previous versions as well as work on the forum to optimize NinjaScript. @Richard and @Zondor have posted about this. Richard on his Move the Market web site as well as on the forum. Zondor's posts and submission to downloads & with myself have dealt with optimizing Ninja script code.

As Far as NT7 performance, currently running 4 workspaces.

1 strictly for recording data that in not persistent in NinjaTrader - by @gomi and Zondor.
This one collects data for 4 instruments/2 contract months each.

3 workspaces for Instruments. Running 6 charts, with 3 templates: one for 2 volume charts, one for 2 GomLadders, and a 3rd for a day chart. YM has an additional ES chart for watching ES to collect DOMBands data, as it help me trade YM.

Strongly recommend running Defraggler each day.

Replay works very well in Beta20, unlike previous betas - Go To now works without freezing.

I do not backtest - but instead run replay to look for patterns that can be used as setups, so I can't comment.

Even with all the problems getting to this point, I am now very happy with NT7.

R.I.P. Andy Zektzer (ZTR), 1960-2010.
Please visit this thread for more information.
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  #9 (permalink)
Italy - Roma
Trading Experience: Intermediate
Platform: Sierra Chart
Broker/Data: IB
Favorite Futures: Index futures
jagui's Avatar
Posts: 195 since Jul 2010
Thanks: 248 given, 278 received

tigertrader View Post
I'm running an Origin Genesis PC with an overclocked 980X chip...

I would start by disabling overclocking.

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  #10 (permalink)
Los Angeles
Trading Experience: Beginner
Platform: SC, MT,
Broker/Data: Forex
Favorite Futures: Forex
Poocher's Avatar
Posts: 303 since Jun 2009
Thanks: 361 given, 108 received

I had increasing charting problems.

A few weeks ago upgraded to NT7 and have had no problems since.

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