I’m not sure how general an issue this – hence making this an aside – but if you’re finding your Mac running hot, it may be worth checking out.After a couple of months using CrashPlan I wrote about its awkward feature set and their interactions. This did the trick: my fans stayed on low, and Activity Monitor showed the mds processes consuming only tiny amounts of CPU. I added my CrashPlan, MobileSync and Dropbox folders – three specific suggestions I’d found – and then for good measure added some others with frequently-changing content. You can do this by going into System Preferences, clicking the Privacy tab and then drag-and-dropping onto it any directories you don’t want it to index.
More Googling led me to a suggestion to remove from Spotlight’s indexing any directories with frequently-changing content, especially those used for online backup. This helped quite a bit, but the mds process still seemed a little greedy. Top tip: set this going overnight, as the re-indexing takes a while. You can do this in Terminal again: sudo rm -rf /.Spotlight-V100/* The first tip I found was here, where it suggested deleting the Spotlight database and forcing it to re-index. So I did some more Googling – after switching Spotlight back on with: sudo mdutil -a -i on CMD-space plus the first letter or two of the app is just too convenient to give up.
I keep my most-used apps in the dock, but everything else I habitually launch from Spotlight. I briefly considered leaving Spotlight off until the next OS X update, but that proved too much of a pain. The fans spooled down and all was back to normal. To do this, I went into Terminal and entered: sudo mdutil -a -i off I started by disabling Spotlight altogether to confirm that it was the culprit. These are two processes used by Spotlight when indexing, so I didn’t think too much of it – Spotlight has to do its indexing sometime, right?īut several checks later, these two processes seemed to be helping themselves to significant chunks of CPU on a regular basis, at which point I did some Googling. The only two processes using an unusual amount of CPU were mds and mds_stores. Checking Activity Monitor didn’t seem to be shedding much light on things at first glance. If you’re finding that your Mac fans are running a lot more than they used to, you might want to check out whether a couple of Spotlight processes are consuming more than their fair share of CPU cycles.Įver since the latest Mavericks update, I found that my MacBook Pro seemed to be running hot a lot of the time, with fans ramping up to high levels to cool it.
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