{single}{actor}{/single}{multiple}{actors}{/multiple} replied to the...

Now I'm onto something:

2022-05-20 15:17:05 Temp=38.9ºC. RAM parameters: Used: 13.2%; Free:  3.3%; Shared:  1.9%; Buffer:  1.5%; Cache: 82.1%; Available: 81.0%. Swap used:  7.5%. µSD has 46.059% free space.
2022-05-20 15:17:06 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free:  3.3%; Shared:  1.9%; Buffer:  1.5%; Cache: 82.1%; Available: 81.0%. Swap used:  7.5%. µSD has 46.059% free space.
2022-05-20 15:17:08 Temp=37.9ºC. RAM parameters: Used: 13.2%; Free:  3.2%; Shared:  1.9%; Buffer:  1.5%; Cache: 82.2%; Available: 81.0%. Swap used:  7.5%. µSD has 46.057% free space.
2022-05-20 15:17:10 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free:  9.4%; Shared:  1.9%; Buffer:  0.0%; Cache: 75.5%; Available: 81.0%. Swap used:  7.5%. µSD has 46.057% free space.
2022-05-20 15:17:11 Temp=38.9ºC. RAM parameters: Used: 13.3%; Free: 28.8%; Shared:  1.9%; Buffer:  0.0%; Cache: 55.7%; Available: 81.2%. Swap used:  7.5%. µSD has 46.055% free space.
2022-05-20 15:17:13 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 50.8%; Shared:  1.9%; Buffer:  0.0%; Cache: 33.7%; Available: 81.3%. Swap used:  7.5%. µSD has 46.055% free space.
2022-05-20 15:17:15 Temp=38.9ºC. RAM parameters: Used: 13.2%; Free: 71.8%; Shared:  1.9%; Buffer:  0.0%; Cache: 12.5%; Available: 81.5%. Swap used:  7.5%. µSD has 46.053% free space.
2022-05-20 15:17:16 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 77.7%; Shared:  1.9%; Buffer:  0.0%; Cache:  9.1%; Available: 81.6%. Swap used:  7.5%. µSD has 46.053% free space.
2022-05-20 15:17:18 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 79.1%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.7%; Available: 81.8%. Swap used:  7.5%. µSD has 46.051% free space.
2022-05-20 15:17:20 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 79.1%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.7%; Available: 81.8%. Swap used:  7.5%. µSD has 46.051% free space.
2022-05-20 15:17:21 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 79.0%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.8%; Available: 81.8%. Swap used:  7.5%. µSD has 46.049% free space.
2022-05-20 15:17:23 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 79.0%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.8%; Available: 81.8%. Swap used:  7.5%. µSD has 46.049% free space.
2022-05-20 15:17:24 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 79.0%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.9%; Available: 81.8%. Swap used:  7.5%. µSD has 46.047% free space.
2022-05-20 15:17:26 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 79.0%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.9%; Available: 81.8%. Swap used:  7.5%. µSD has 46.047% free space.
2022-05-20 15:17:27 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.9%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.9%; Available: 81.7%. Swap used:  7.5%. µSD has 46.044% free space.
2022-05-20 15:17:29 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.9%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.9%; Available: 81.7%. Swap used:  7.5%. µSD has 46.044% free space.
2022-05-20 15:17:30 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 78.8%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.0%; Available: 81.8%. Swap used:  7.5%. µSD has 46.042% free space.
2022-05-20 15:17:32 Temp=37.9ºC. RAM parameters: Used: 13.1%; Free: 78.8%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.0%; Available: 81.8%. Swap used:  7.5%. µSD has 46.042% free space.
2022-05-20 15:17:34 Temp=37.9ºC. RAM parameters: Used: 13.1%; Free: 78.8%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.1%; Available: 81.7%. Swap used:  7.5%. µSD has 46.040% free space.
2022-05-20 15:17:35 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.7%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.1%; Available: 81.6%. Swap used:  7.5%. µSD has 46.039% free space.
2022-05-20 15:17:37 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.7%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.1%; Available: 81.7%. Swap used:  7.5%. µSD has 46.038% free space.
2022-05-20 15:17:39 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 78.6%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.2%; Available: 81.8%. Swap used:  7.5%. µSD has 46.036% free space.
2022-05-20 15:17:40 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.6%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.2%; Available: 81.8%. Swap used:  7.5%. µSD has 46.036% free space.
2022-05-20 15:17:42 Temp=38.9ºC. RAM parameters: Used: 13.2%; Free: 78.5%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.2%; Available: 81.8%. Swap used:  7.5%. µSD has 46.034% free space.
2022-05-20 15:17:44 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.5%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.3%; Available: 81.7%. Swap used:  7.5%. µSD has 46.034% free space.
2022-05-20 15:17:45 Temp=38.9ºC. RAM parameters: Used: 13.3%; Free: 78.4%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.3%; Available: 81.8%. Swap used:  7.5%. µSD has 46.032% free space.
2022-05-20 15:17:47 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 78.5%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.3%; Available: 81.8%. Swap used:  7.5%. µSD has 46.032% free space.
2022-05-20 15:17:48 Temp=37.4ºC. RAM parameters: Used: 13.3%; Free: 78.4%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.4%; Available: 81.7%. Swap used:  7.5%. µSD has 46.030% free space.
2022-05-20 15:17:50 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.4%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.4%; Available: 81.7%. Swap used:  7.5%. µSD has 46.030% free space.
2022-05-20 15:17:51 Temp=39.4ºC. RAM parameters: Used: 13.2%; Free: 78.3%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.5%; Available: 81.7%. Swap used:  7.5%. µSD has 46.028% free space.
2022-05-20 15:17:53 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.3%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.5%; Available: 81.7%. Swap used:  7.5%. µSD has 46.028% free space.
2022-05-20 15:17:54 Temp=37.9ºC. RAM parameters: Used: 13.2%; Free: 78.3%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.5%; Available: 81.7%. Swap used:  7.5%. µSD has 46.026% free space.
2022-05-20 15:17:56 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 78.2%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.4%; Available: 81.7%. Swap used:  7.5%. µSD has 46.026% free space.
2022-05-20 15:17:58 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 79.1%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.7%; Available: 81.8%. Swap used:  7.5%. µSD has 46.024% free space.
2022-05-20 15:17:59 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 79.0%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.7%; Available: 81.7%. Swap used:  7.5%. µSD has 46.024% free space.
2022-05-20 15:18:01 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 79.1%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.7%; Available: 81.8%. Swap used:  7.5%. µSD has 46.021% free space.
2022-05-20 15:18:02 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 79.1%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.7%; Available: 81.7%. Swap used:  7.5%. µSD has 46.021% free space.
2022-05-20 15:18:04 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 79.0%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.8%; Available: 81.7%. Swap used:  7.5%. µSD has 46.019% free space.
2022-05-20 15:18:05 Temp=37.9ºC. RAM parameters: Used: 13.1%; Free: 79.0%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.8%; Available: 81.7%. Swap used:  7.5%. µSD has 46.019% free space.
2022-05-20 15:18:07 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.9%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.8%; Available: 81.8%. Swap used:  7.5%. µSD has 46.017% free space.
2022-05-20 15:18:08 Temp=37.9ºC. RAM parameters: Used: 13.1%; Free: 78.9%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.8%; Available: 81.7%. Swap used:  7.5%. µSD has 46.017% free space.
2022-05-20 15:18:10 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.9%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.9%; Available: 81.8%. Swap used:  7.5%. µSD has 46.015% free space.
2022-05-20 15:18:12 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.9%; Shared:  1.9%; Buffer:  0.1%; Cache:  7.9%; Available: 81.8%. Swap used:  7.5%. µSD has 46.015% free space.
2022-05-20 15:18:13 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 78.8%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.0%; Available: 81.7%. Swap used:  7.5%. µSD has 46.013% free space.
2022-05-20 15:18:15 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.8%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.0%; Available: 81.7%. Swap used:  7.5%. µSD has 46.013% free space.
2022-05-20 15:18:16 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.7%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.0%; Available: 81.7%. Swap used:  7.5%. µSD has 46.011% free space.
2022-05-20 15:18:18 Temp=38.9ºC. RAM parameters: Used: 13.1%; Free: 78.7%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.0%; Available: 81.7%. Swap used:  7.5%. µSD has 46.011% free space.
2022-05-20 15:18:19 Temp=39.4ºC. RAM parameters: Used: 13.1%; Free: 78.7%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.1%; Available: 81.7%. Swap used:  7.5%. µSD has 46.009% free space.
2022-05-20 15:18:21 Temp=37.4ºC. RAM parameters: Used: 13.1%; Free: 78.7%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.1%; Available: 81.7%. Swap used:  7.5%. µSD has 46.009% free space.
2022-05-20 15:18:22 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.6%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.2%; Available: 81.7%. Swap used:  7.5%. µSD has 46.007% free space.
2022-05-20 15:18:24 Temp=37.4ºC. RAM parameters: Used: 13.1%; Free: 78.6%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.2%; Available: 81.7%. Swap used:  7.5%. µSD has 46.007% free space.
2022-05-20 15:18:25 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.5%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.3%; Available: 81.8%. Swap used:  7.5%. µSD has 46.005% free space.
2022-05-20 15:18:26 Temp=38.4ºC. RAM parameters: Used: 13.1%; Free: 78.5%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.3%; Available: 81.8%. Swap used:  7.5%. µSD has 46.005% free space.
2022-05-20 15:18:28 Temp=37.9ºC. RAM parameters: Used: 13.1%; Free: 78.4%; Shared:  1.9%; Buffer:  0.1%; Cache:  8.3%; Available: 81.7%. Swap used:  7.5%. µSD has 46.003% free space.

Pretty obvious that I've done something major in the middle!
After multple tries with "sync" and errors, googled the error and found this site .
Pasting

sudo sh -c 'echo 3 > /proc/sys/vm/drop_caches'

into terminal, mass amount of cache freed up.

It's still increasing whilst watching, but I figure that if I can add this into my memory script to repeat every minute or something like that, then I should get around the issue. Again, I'm trying to get around it - can someone suggest what the issue is or how to fix long-term?
I have been also debating trying with Stellarmate OS, but could someone confirm I won't have the same issue for this OS if the issue is coming from KStars/EKOS/INDI?
Again, comments etc welcome!

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