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Using activity monitor, I've noticed that launchd with pid 1 is using a lot of disk writes: after about 8 hours of light use, it's done ~2GB bytes written. Is it normal behavior? If not, how shall I troubleshoot this issue? I'm on the latest version if Yosemite, MacBook Pro 13" retina. Thanks!

bmike
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egwene sedai
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Don't fix things which ain't broken. As long as you don't experience performance or stability issues, you usually don't need to worry about particular processes.

My Mac hasn't been rebooted since two weeks, launchd has written 46 GB so far.

nohillside
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  • Thanks! On a side note, will this affect ssd write lifespan much? – egwene sedai Aug 20 '15 at 11:01
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    @egwenesedai define your SSD lifespan and define much :) – bmike Aug 20 '15 at 11:35
  • @bmike I was thinking about ~5 years but realized you might be sarcastic :-) no need to worry on a modern ssd right? – egwene sedai Aug 20 '15 at 11:50
  • @egwenesedai I was totally serious. I love data / SSD wear patterns, ways to manage replacement risk, etc... Start a new thread if you have a question on this :-) http://apple.stackexchange.com/questions/13884/, http://apple.stackexchange.com/questions/71750/ and http://apple.stackexchange.com/questions/18328/ could use some new answers if you have a new question – bmike Aug 20 '15 at 13:40