![]() Keep an eye on that Dock icon! You want there to be enough green (which represents free memory) to open other applications. Now you have a way to monitor your Mac’s memory usage in real time. The Activity Monitor Dock icon turns into a pie chart which displays how your memory is allocated. To turn the Activity Monitor Dock icon in to a real time memory monitoring tool, right click on the Dock icon and select Dock Icon → Show Memory Usage, as shown below. (Ideally, your Mac should have 10% of the total memory available at any given time.) If the free memory number looks too low, you should quit some applications to free up memory. Now the bottom part of the window shows exactly how much free memory is currently available. ![]() This is a good way to see which applications are using the most memory on your Mac - the memory hogs are displayed at the top of the list.Ĭlick the System Memory button. ![]() (It’s in Applications → Utilities.) The window shown below appears.Ĭlick the Real Mem column header to sort the active processes by memory usage. Here’s how to use Activity Monitor to monitor your Mac’s memory usage: Just follow these instructions to concentrate on the memory statistics. Don’t worry if you don’t understand what it all means. In fact, Activity Monitor presents so much information that it’s easy to get overwhelmed when looking at it. You can use this application to see how much RAM is currently free, how much RAM is currently allocated, and a whole lot more. By the time you get to the end of the article, you’ll be a memory-monitoring pro! Using Activity MonitorĪctivity Monitor is a free application that comes bundled with every Mac. This tutorial covers three of them: Activity Monitor, iStat Pro, and iStat Menus. There are a couple different tools you can use to see how much memory your Mac is using. You can see how much RAM is currently available on your Mac and stop potential problems before they start! That’s why it’s important to monitor your Mac’s memory usage in real time. Of course, since RAM memory stores the code and instructions for OS X and any applications open on your Mac, running out of it can slow your Mac down, or worse. Most people have no idea how much RAM is installed in their Mac, or how much memory it is currently using. In short, you’d be driving blind - hoping, by chance, that everything would just work out okay.Īs ludicrous as this scenario sounds, millions of Mac users do essentially the same thing every day. You wouldn’t know how fast the car was going, how much fuel it had left, or whether or not the engine was about to overheat. Imagine driving a vehicle with no gauges on the dashboard. ![]() If one app uses all your bandwidth, other apps, like your web browser, will have less bandwidth.AirPort Apple Apps Backups Developer Education Email Hardware Internet iPad iPhone Mac Music Network Photos Security TV Weekend Wonk It also shows which apps send and receive data, which is useful if you're trying to figure out why your internet connection seems slow. Network: This tab breaks down your network usage, which is helpful if your internet connection has a limited amount of data per month.It's where you can check the performance of your storage drive and see which apps are writing and reading data. Whether you have a hard disk drive (HDD) or a solid-state drive (SSD), it's still called Disk. Disk: This shows the current and historical usage of your Mac's storage media.You can also close anything in the Preventing Sleep column if you want your Mac to conserve energy by sleeping when it isn't in use. If you see apps using energy, and you don't need them at the moment, you can close them to save energy. Energy: This tab shows how much energy your Mac uses, breaking it down by app.Yellow and red on the memory pressure graph indicate that most of your RAM is in use, and you may be able to increase performance by adding additional RAM (if your Mac supports it-new M1 Macs do not support adding RAM). Memory: This shows how much of your random access memory (RAM) is in use.The CPU tab also lets you check GPU load or how much of your graphic processor's capabilities are in use. You can see how much is being used by each app and process, along with a graph that shows total usage and historical usage. CPU: This shows you the CPU load or what percentage of your CPU's capabilities are being used.
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