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Comment by venomsnake | Hacker News Reader

I can barely push my pc above 10% usage and yet I enjoy from time to time laggy interfaces and locks. Worst offender right now - Eclipse after being out of focus for more than 10-12 hours.

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I've noticed that too on OSX - it's not just Eclipse, any memory heavy app such as xcode causes the same. I don't get this happening in Eclipse on either my Windows or Linux installs. I think it's just very aggressive paging to disk or something similar.

It is on SSD ... and I have 32 Gigs of ram. And some of the intelij products I use have no problems - and they are java based. Windows 8.1.

But anyway on current PCs any kinds of unresponsive UI-s are inexcusable.

Ah.. weird I have no idea then. I've got an Eclipse running on Win7 SSD that has been open for over a month using 3GB of ram out of 16GB. It's very very snappy. I do have an Eclipse running on a macbook pro SSD 16GB and that one has about a 2-3 sec freeze when swapping back to Eclipse after backgrounding it for awhile, so I thought that was your issue. Maybe Win 8.1 works more similarly to OSX than Win 7?

Something in OSX paging is broken. See http://workstuff.tumblr.com/post/20464780085/something-is-de... for details. Apple refuses to fix this for years. This rendered my old Core2Duo/2GB RAM/spinning disk MBP useless even for web browsing. This sort of system rot is one of the reasons I'm running Arch on my Haswell MBP/16GB.

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