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Search: Posts Made By: Big Mike
Forum: NinjaTrader September 5th, 2014, 01:20 PM
Replies: 111
Views: 60,983
Posted By Big Mike
This 10 page thread isn't enough? I advise...

This 10 page thread isn't enough?

I advise against the ramdisk, I ran into problems that corrupted NinjaTrader. Read the thread for more info.

Mike
Forum: NinjaTrader November 4th, 2013, 07:01 AM
Replies: 111
Views: 60,983
Posted By Big Mike
I ran into stability problems with NinjaTrader on...

I ran into stability problems with NinjaTrader on a ramdisk, and definitely would not recommend.

I would try and solve the PrimoCache problem instead. Has been fine for me so far.

Sent from my...
Forum: NinjaTrader November 3rd, 2013, 09:40 PM
Replies: 111
Views: 60,983
Posted By Big Mike
Yikes. I'm just guessing it has something to do...

Yikes. I'm just guessing it has something to do with your 32-bit OS and <4GB of RAM (if I remember right from your prior posts) and you trying to use the extended area of RAM. None of these apply...
Forum: NinjaTrader October 24th, 2013, 06:56 PM
Replies: 111
Views: 60,983
Posted By Big Mike
I am making the assumption everyone already has...

I am making the assumption everyone already has an SSD, no hard drives. And that everyone is using x64 Windows with at minimum 8GB of RAM.

If not, you should make those a priority over anything...
Forum: NinjaTrader October 24th, 2013, 05:51 PM
Replies: 111
Views: 60,983
Posted By Big Mike
My recommendation is not to use the ramdisk, but...

My recommendation is not to use the ramdisk, but instead to use PrimoCache. There is a free trial.

Mike
Forum: NinjaTrader October 19th, 2013, 08:26 PM
Replies: 111
Views: 60,983
Posted By Big Mike
Yes. BTW, after more uptime my cache hit ratio...

Yes. BTW, after more uptime my cache hit ratio is 75%

Sent from my LG Optimus G Pro
Forum: NinjaTrader October 18th, 2013, 06:32 PM
Replies: 111
Views: 60,983
Posted By Big Mike
Very true. I am writing about 50GB a day on...

Very true.

I am writing about 50GB a day on my personal workstation, over 2x256GB in a R0. This is calculated by looking at system up time and total writes.

I do all my heavy lifting on...
Forum: NinjaTrader October 18th, 2013, 03:54 PM
Replies: 111
Views: 60,983
Posted By Big Mike
See post 71 from me. It will delay writes and...

See post 71 from me. It will delay writes and save wear and tear on SSD. But be certain your system is 100% stable and on a UPS.

Mike
Forum: NinjaTrader September 16th, 2013, 01:17 AM
Replies: 111
Views: 60,983
Posted By Big Mike
Hmm oops, math a bit wrong. Total read 16.5GB...

Hmm oops, math a bit wrong. Total read 16.5GB but cached read just under 4GB, so it means since boot I've 16GB from disk, but after the initial read was performed, only 4GB has been re-read and thus...
Forum: NinjaTrader September 16th, 2013, 01:01 AM
Replies: 111
Views: 60,983
Posted By Big Mike
I've been trying out PrimoCache. Under most...

I've been trying out PrimoCache. Under most circumstances it makes more sense than a dedicated ramdisk, and will offer the same performance benefits.

I am using a delayed write setting of 60...
Forum: NinjaTrader February 8th, 2013, 07:52 PM
Replies: 111
Views: 60,983
Posted By Big Mike
In my opinion, virtually non-existent chance...

In my opinion, virtually non-existent chance video has anything to do with "freezes" during high volume activity. It's usually a poorly coded indicator, or just an old CPU.

A 3770k will be at...
Forum: NinjaTrader February 1st, 2013, 06:33 PM
Replies: 111
Views: 60,983
Posted By Big Mike
For the record, I am using the Primo Professional...

For the record, I am using the Primo Professional Edition. It was cheap and license includes use for two computers, which worked well for me because I wanted to speed up my XBMC media server...
Forum: NinjaTrader January 31st, 2013, 07:47 PM
Replies: 111
Views: 60,983
Posted By Big Mike
Yes of course, that was just a type-o on my part....

Yes of course, that was just a type-o on my part. I've set it up under Documents\ so that the entire NinjaTrader 7 folder is symlinked the the ram drive.

Mike
Forum: NinjaTrader January 31st, 2013, 07:24 PM
Replies: 111
Views: 60,983
Posted By Big Mike
Guessing because the file is being recreated by...

Guessing because the file is being recreated by Ninja. When it is re-created, it's probably written to a temp file, then original deleted (breaking sym link), then moved.

I just symlink the...
Forum: NinjaTrader December 22nd, 2012, 07:34 AM
Replies: 111
Views: 60,983
Posted By Big Mike
Copy the contents of the db folder to the...

Copy the contents of the db folder to the ramdisk.

Delete the db folder on the C: drive.

Then use junction, it will create the db folder as a junction to the ramdisk path. The folder on C:...
Forum: NinjaTrader December 21st, 2012, 08:56 AM
Replies: 111
Views: 60,983
Posted By Big Mike
I just used the junction command in post 1. ...

I just used the junction command in post 1.

Basically, setup the ram disk (R:), then copy the contents of the NinjaTrader folder to R:\NinjaTrader. Then junction Documents\NinjaTrader ->...
Forum: NinjaTrader October 29th, 2012, 04:51 AM
Replies: 111
Views: 60,983
Posted By Big Mike
https://nexusfi.com/elite-circle/7279-official-gom...

https://nexusfi.com/elite-circle/7279-official-gomrecorder-qcollector-data-sharing-thread.html

https://nexusfi.com/elite-circle/719-historical-es-s-p-500-futures-contract-tick-data-2003-up.html
...
Forum: NinjaTrader October 28th, 2012, 05:44 PM
Replies: 111
Views: 60,983
Posted By Big Mike
Memory is dirt cheap right now. I just paid like...

Memory is dirt cheap right now. I just paid like $120 for 32GB for a new server. 16GB would be roughly half that.

You can check Windows 7 memory limits here
Memory Limits for Windows Releases...
Forum: NinjaTrader October 28th, 2012, 04:08 PM
Replies: 111
Views: 60,983
Posted By Big Mike
It stores all chart data. Mine is many GB in...

It stores all chart data. Mine is many GB in size because I have years of tick data.

After you reach your conclusions in the thread, I encourage you to post in the NT8 request thread. This is...
Forum: NinjaTrader October 26th, 2012, 07:05 PM
Replies: 111
Views: 60,983
Posted By Big Mike
Very interesting. But I don't understand why...

Very interesting.

But I don't understand why Windows is not doing its job of caching the database files in RAM to begin with. If it is being frequently used, and you have sufficient memory, then...
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