Question / Help Laggy recordings after 28 mins

Log file: https://hastebin.com/nukepodeqa

I have had this issue twice now, where I record gameplay with OBS, and after 28 mins, the recording gets laggy and stuttering. I find it very weird that I have 28 mins of good quality video, and then the last 5 mins are destroyed. This is not consistent of all recording, as I have at least one recording of 33 mins, where I didn't get this problem.

PC Specs:
  • Operating System - Windows 10
  • Graphics card -
    NVIDIA GeForce GTX 980
  • Processor - Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, 4001 Mhz, 4 cores
  • RAM amount - 16 GB
  • Hard drive size - OBS installed on SSD: 256 GB with 80 gb free
    Recording to HHD: 2 TB, with 1 TB free
I hope there is a solution in my future for this problem, as I'm very happy with this recording/streaming software.
 
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