Using Activity Monitor, and in the Terminal, the top command, I could see I was often running up against the limits of physical memory, but the Mac didnt seem to be under memory pressure, which would cause a lot of disk activity.ĭuring the slow post-restart, pre-usable phase, neither memory nor disk storage was an issue. There was clearly something to do with temporary files and available disk storage slowing things down. I used WhatSize (which I also reviewed ) to free up almost 90GB in unneeded files, which seems to help a little. See this Mac 911 column for more about caches.) But the Mac wasnt any faster after a restart than before. Restarting would often free up 20 to 40GB of disk space on the minis internal 500GB hard drive. I had to figure it out, because I increasingly found myself wasting time and waiting. It took several minutes to power up and start loading apps, and then around 20 minutes, if not longer, to be fully responsivethis despite 16GB of RAM. Starting with Mavericks, the mini would eventually bog down after a number of days between restarts, and require a force restart or manual one. I needed to keep working during part of the operation, but it fortunately didnt slow the system down much.
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