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Steam High I/O Writes, HDD Thrashing

Posted: Thu Jul 12, 2012 2:32 am
by obsidian
I noticed that my hard drive keeps thrashing, so I decided to take a look at the cause. From the task manager, it looks like Steam is the culprit. It keeps doing I/O Writes to the disk for whatever reason, and no, it's not downloading any games, it just keeps thrashing the disk for some reason. Closing Steam and my disk activity stops.

See the screenshot below, if you're trying to find the I/O columns in Task Manager, you have to enable them from the "view" menu. Note, I had actually shut down Steam earlier so the number has since reset. It seems to increase I/O writes at a rate of about 10 writes per second. In the time it took me to take that screenshot, upload it and write this message, it has already climbed up to 43K.

https://www.dropbox.com/s/k8rxspwlingg5 ... mwrite.png

WTF is Steam doing and how do I stop it?

Re: Steam High I/O Writes, HDD Thrashing

Posted: Thu Jul 12, 2012 3:56 am
by Captain
Mine has been running for about 4 hours now and the writes are up to 80,000—and that's with no Steam games active.

I'm sure they're just virtual writes, not sure though.

Re: Steam High I/O Writes, HDD Thrashing

Posted: Thu Jul 12, 2012 4:30 am
by GONNAFISTYA
Steam does a ton of shit and is constantly monitoring a bazillion things. Hell it's even got it's own chat client prolly doing a bazillion checks just on that alone.

Dunno really...just spitballin...

Re: Steam High I/O Writes, HDD Thrashing

Posted: Fri Jul 13, 2012 7:43 am
by duffman91
I would equate high I/O writes with page file usage. Do you have enough RAM? What is the size of your page file?

Re: Steam High I/O Writes, HDD Thrashing

Posted: Fri Jul 13, 2012 8:04 am
by Captain
6GB. I set my page file to a custom size on the SSD: 1024–1024.

Re: Steam High I/O Writes, HDD Thrashing

Posted: Fri Jul 13, 2012 5:22 pm
by obsidian
12GB RAM, default page file. I think we can rule that out.

Re: Steam High I/O Writes, HDD Thrashing

Posted: Fri Jul 13, 2012 9:20 pm
by DooMer
The I/O read/write column in the task manager includes network and other shit.

Re: Steam High I/O Writes, HDD Thrashing

Posted: Fri Jul 13, 2012 10:09 pm
by Whiskey 7
Tried mine for interest here and by way of a comparison for you and mine is steady at 110,690 &80,380

{PS} Haven't been to steam for some time so lots of updating (activity?) happening

Re: Steam High I/O Writes, HDD Thrashing

Posted: Sat Jul 14, 2012 6:34 am
by duffman91
obsidian wrote:12GB RAM, default page file. I think we can rule that out.
Not quite. The default setting is to have a page file that auto adjusts as necessary. This is a resource intensive operation if the OS needs to perform it. Could you set it to a fixed max/min value? Preferably 1.0x or 1.5x the amount of RAM you have. Reboot and see if the issue persists.

http://technet.microsoft.com/en-us/sysi ... 96653.aspx
Download Process Explorer from the link above. Soft the processes by Disk Reads column and then by Disk Writes column. Is Steam taking up both?

Re: Steam High I/O Writes, HDD Thrashing

Posted: Sun Jul 15, 2012 2:32 am
by Scourge
Mine has been doing the same. It would severely lag my pc for around 10 seconds and killing Steam seems to have ended it. It would usually happen several times an hour. I wouldn't have any problems while in games. Only when at my desktop or browsing.

Re: Steam High I/O Writes, HDD Thrashing

Posted: Sun Jul 15, 2012 3:09 am
by Kaz
Bring it up with LordHavoc in #darkplaces he works on the linux Steam port these days.

Re: Steam High I/O Writes, HDD Thrashing

Posted: Sun Jul 15, 2012 8:23 am
by seremtan
^ the ultimate nerd post

Re: Steam High I/O Writes, HDD Thrashing

Posted: Sun Jul 15, 2012 2:34 pm
by Plan B
You'll sort it out.
You're one of the smartest niggas I know :)

Re: Steam High I/O Writes, HDD Thrashing

Posted: Sun Jul 15, 2012 5:11 pm
by Kaz
seremtan wrote:^ the ultimate nerd post
:up: