Hi! So first of all, one of the thing I like about Avast/AVG is the streaming update feature. Some AV out there writes 200, 300, 400 and even 800 MB in some cases while updating signature every few hours. But Avast kinds of always download tiny updates which significantly reduces the disk write if my understanding is correct. My assumption is based on Process Hacker's "Disk write Bytes". Process Hacker Nightly 3.0 to be exact.
But I noticed while watching streaming service like Twitch, Avast's Disk Write Bytes value increases significantly along with I/O write bytes.
My question is, why is that? Why Avast is writting so much data on the disk in this scenario? Does this Disk Write Bytes value actually represents the amount of data that's being written on my disk? As you can see from the screenshot, the I/O Write Bytes is even higher which I think represents the combination of both read and write.
But I got even more confused when I checked disk activity while watching Twitch live stream in Process Hacker. All disk activity is related to Firefox cache. Nothing related to AVG can be found.
So, please explain and help me understand what is meaning of this disk write bytes value of Avast and why is this happening on Twitch (and also one or two other free live streaming sites).
Sorry for attaching AVG's screenshot but trust me I tested this on Avast also. Since both products are basically the same underneath, the result is the same. And, Firefox had much higher Disk Write Bytes compared to the AVG service but I mistakenly closed Firefox before taking the scrreenshot.