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Running out of RAM  

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(@kingjamez)
White Dwarf Customer
Joined: 2 years ago
Posts: 17
September 18, 2019 22:30  

I'm running out of RAM when integrating large data sets. I have an F/2 imaging system so my exposures are short. I have 16GB of RAM but can't integrate more than 300 or so frames from my ASI183MM. I have several data sets with 600-1000 frames.

Is there anything I can do to integrate this data? Would I loose anything by doing 250 frames at a time and the integrating the resulting integrations based on exposure length? 

Could APP warn me before I spend 3 hours integrating data just for it to die at the end? Could SWAP space be used on my SSD instead of just dying?

 

-Jim

This topic was modified 1 month ago by Vincent Groenewold - Moderator

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(@lead_weight)
White Dwarf Customer
Joined: 2 years ago
Posts: 16
September 19, 2019 00:00  

I had the same issue processing a large data set of 1000+ images. I have 32 GB RAM and had to max it in APP in order to get it to go through. But I actually made several attempts increasing it a few megs here and there, until I got tired of waiting 5 hours for it to process only to find out there was not enough RAM.

------ Andrew
------ www.macobservatory.com


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(@vincent-mod)
Galaxy Moderator
Joined: 2 years ago
Posts: 851
September 21, 2019 16:13  

When integrating so many frames, it's better to divide the frames into sub stacks of say 200 and combine those later.


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(@vincent-mod)
Galaxy Moderator
Joined: 2 years ago
Posts: 851
September 21, 2019 16:19  

ps. Mabula is also aware of this issue, it seems to be a problem when using LNC. Did you have that on?


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