Please post text output as text. A full-screen image tells most people very little and is incredibly difficult to read.
inxi -Fxxz provides very detailed system information and something like
sudo ps_mem would provide a detailed breakdown of memory usage by process.
In this case, just because conky is reporting a process "using" a lot of RAM doesn't mean the memory is "lost" or "unrecoverable". For example, what sort of memory is in use? Is it resident? Is it shared? Is it cache? https://www.linuxatemyram.com/
Now - you might have found a memory leak in Compton, or it could be in your graphics driver, or it could be in the DE, or the toolkit, or the theme engine, or...