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The values in your image look fine. Since the system is lagging, why not measure things over time: vm_stat 60 You can let that run in a terminal to get an aggregate feel for when swapping happens and at what rate. It's highly likely that some other thing is the bottleneck like CPU or storage, but without seeing things change over time, it's hard to say ...


The primary reason to disable the swapfile isn't speed - it's disk space. If one is a user who routinely runs within 5 GB of a full drive, disabling swap will stop the constant nagging of running out of space; I routinely wind up with a 4+ GB swapfile from routine browsing. The speed improvement is astounding on older machines; it's not that impressive on ...

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