![]() If you have set the value to true, whenever you are working with too many tabs and some tabs are not accessed for some minutes, Firefox will automatically suspend those idle tabs. Once you have completed the above steps, restart Firefox and it’ll enable/disable the Tab Suspend feature in Firefox based on the value of the preference. To disable the Tab Sleep at any time, double-click on the preference to set its value to false. I just want them to be suspended or hibernated, until I revisit them again.įor the second answer there, found the "built-in feature" mentioned in That's not what I am after as I don't like my tabs being discarded and disappears. One possible solution is for Firefox to automatically suspend idle tabs.įirst of all, for all solutions in Automatically suspend or hibernate tabs in Firefox:įor Firefox >= 59, there is Auto Tab Discard. There are times when I have multiple applications open for layout (InDesign, Photoshop, Lightroom Classic), and other times when I run multiple applications for video editing (Premiere Pro, After Effects, Photoshop), and it all seems to run just great with Mail and Safari also up in the background.I have a small memory and Firefox is using a big chunk of it, I need to reduce its memory usage as much as possible. The newer Apple Silicon Macs are a lot more efficient, and mine (a base model M1 Pro MacBook Pro, 32GB memory) seems to crank through all kinds of work without complaining much. If both CPU and Memory look great when you have a slowdown, then the bottleneck could be something else the next areas to look at might be graphics hardware or storage speed.Īlso, what kind of Mac hardware are you using? In general, the older Intel-based Macs may struggle more with the advanced features in today’s photo software, with more lags and more heat and fan noise. However, if you see Memory Pressure stay in the orange or red zones (full graph) for a long time, then the Mac definitely doesn’t have enough memory for what it’s doing, and it might help to quit some applications or close some browser tabs. Similarly, at the bottom of the Memory tab, if Memory Pressure is green, then the numbers in the list above don’t mean much because the overall memory load on the Mac is still very low and not a problem. ![]() ![]() For an application to really slow things down, its CPU usage will be well over 100% (macOS measures 100% per core, so a fully used CPU on a 4-core Mac would show close to 400% CPU usage.) But, if Idle is close to 0% and the graph is full, then you do want to look in the list and see which applications are hogging your processor. If that is what it looks like during a slowdown, then maybe CPU usage is not the problem. At the bottom of the CPU tab, if there is a significant percentage of Idle CPU usage, then the Mac is not completely busy and it almost doesn’t matter what the listing above says because there is still spare power. Use that info together with the displays at the bottom of the Activity Monitor window. You can control how often it checks by choosing View > Update Frequency. With those sort orders, the applications and other processes using the most CPU or memory at that moment will be at the top of the lists. ![]() To expand on Paul_DS256’s reply: If you are experiencing a slowdown, keep Activity Monitor open and specifically look first at two of the tabs: CPU (sorted by % CPU, in descending order), and Memory (sorted by Memory column, in descending order).
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