Reduce Memory consumption

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Joined: Mon Apr 25, 2016 1:17 pm

Reduce Memory consumption

Post by philip_d » Mon May 02, 2016 5:26 am

Dear All,

How can I reduce the memory consumption of camera like other commercial software in Zoneminder. Approximately I have 25-39 cameras in one location which upon my testing Zoneminder is crashing signal due to lack of memory.


Posts: 476
Joined: Mon Mar 25, 2013 12:34 pm

Re: Reduce Memory consumption

Post by mikb » Mon May 02, 2016 4:28 pm

Use fewer cameras. Use lower resolution. Use lower frame rates and shorter circular buffers (pre-roll/pre-event buffer).

I don't think you can "beat the system". It takes as much memory as it takes, for the load you have chosen to create.

Maybe split the cameras up into 2/3 zones across more than one computer,all running Zoneminder?

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Joined: Thu Apr 28, 2016 2:46 pm

Re: Reduce Memory consumption

Post by ZMBrian » Mon May 02, 2016 5:30 pm

Under Options > Images, maybe you could try reducing JPEG_FILE_QUALITY and/or JPEG_ALARM_FILE_QUALITY? JPEG_FILE_QUALITY will set the compression percentage for non-alarmed frames which will probably be the bulk of your recording. I'm new to this too, but found that changing these two parameters help me squeeze out a little better memory consumption.


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