Why is my macbook system storage so high
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Don’t be concerned, it has merely started swapping data to the page file. This is when your computer gets significantly slower and you start scratching your head, asking yourself what happened and if your computer is maybe about to bite the dust.
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However, any data required from virtual RAM needs to be read from the slow hard disk before it can be used again.
#WHY IS MY MACBOOK SYSTEM STORAGE SO HIGH FREE#
That way, you get some free extra RAM space. The principle is simple: Programs or data in RAM that aren’t used frequently get written down to a ‘virtual RAM’ file on the hard disk (hidden at c:pagefile.sys). No cause for alarm, as the developers at Microsoft were aware of that risk and introduced something called Page File. That means the more programs you start and the bigger the data you’re working with, the earlier your RAM gets maxed out.Īs RAM is typically between 2 and 16 GB nowadays, it may happen that Windows requires more RAM than you physically have installed. The working data that is created by your programs, along with other programs, are kept in RAM. That’s the place where the CPU can access them most efficiently. When Windows starts up, it reads all the programs that are part of the system from the hard disk and puts them into RAM. If you were an operating system architect, where would you preferably run programs from? RAM is the obvious choice. That’s more than 100 times faster than the hard disk! But your RAM, that can’t store memory without power on, allows for 10-20 GB/second. A newer, solid state disk (SSD) that uses memory chips similar to those of the SD-card in your camera or smartphone, provides speeds of around 200-400 MB/s. To give you some numbers to work with: An old school hard disk with spinning disks (HDD) usually allows for transfer rates of around 80-160 MB/second. While it is true that having a few gigabytes of free hard disk space is better than no space, the same wisdom usually isn’t true for your RAM (Random Access Memory), your computer’s super-fast short term memory.
#WHY IS MY MACBOOK SYSTEM STORAGE SO HIGH HOW TO#
Lots of computer blogs and magazines give smart advice on how to speed up your computer by reducing the load on your hardware resources.