Ram disk creator mac
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Green memory pressure: Your computer is using all of its RAM efficiently. The Memory Pressure graph lets you know if your computer is using memory efficiently. By default, it creates a 64-MiB RAM disk named “RAM Disk”. In the Activity Monitor app on your Mac, click Memory (or use the Touch Bar ). These include kernel panics, depleted batteries, and accidentally clicking the Eject button in the Finder. The danger is less on a laptop, since a power failure isn't as likely to cause the machine to shut down (it will probably just switch to battery power), but there are still circumstances that can lose the contents of the RAM disk. As soon as you decide to keep something, copy it to some kind of permanent storage, such as your hard disk (especially if you're on a desktop Mac, since you never know when the power will go out). Don't leave anything on your RAM disk that you want to keep.
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But isn't it possible to lose data if it's only in RAM?
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You can also put your Downloads folder (in Safari, Mail, Adium, etc.) on a RAM disk, since you won't always want to keep things you download. You can use it as fast storage that won't interfere with hard drive I/O, and for anything you don't want to keep.Ī RAM disk is great for screen-recording temporary files if you use iShowU, see the Storage tab of its preferences. Why would I want this?Ī RAM disk is at least as fast as your hard drive, but temporary.
#Ram disk creator mac mac os x
This feature was available in Mac OS 9 and below, but since Apple released Mac OS X this capability. The data on the RAM “disk” is stored only in RAM (memory), and will be forgotten at shutdown. Ram Disk Creator is a tool to create Ram Disks. (Sometimes that isn't true, but it's very very rare.)Ī RAM disk, on the other hand, has no permanent storage behind it. In all of these cases, the data on the volume will persist after the computer is shut down, because it's been written to permanent storage. Most disks (more accurately, volumes) are backed by some sort of permanent storage, such as an optical disc (as in CD and DVD), magnetic hard disk, or flash memory.
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The settings window appears whenever you launch Make RAM Disk with the Option key held down. If you use your Mac to back up your iPhone or iPad, you can delete old backups. Also choose Mailbox > Erase Deleted Items. If you use the Mail app for your email, choose Mailbox > Erase Junk Mail from the menu bar in Mail. It requires Mac OS X version 10.4 or later. Open this folder from the Dock, or by choosing Go > Downloads from the menu bar in the Finder. If you hold down the Option key while launching it, you can change these settings, either for that RAM disk only or until further notice.Make RAM Disk is an application that provides an easy way to create, format, and mount a RAM disk in one shot. You can also put your Downloads folder (in Safari, Mail, Adium, etc.) on a RAM disk since you won't always want to keep things you download.īy default, the app simply creates a 64-MiB RAM disk named "RAM Disk", then exits (making it suitable to put in your Login Items). A RAM disk is great for iShowU temp files (see the Storage tab of its preferences). It's great for things that you need to read or write quickly, especially if you don't need to keep them around. On some Macs, you can write data to a RAM disk at more than half a gigabyte per second. The data on the RAM is stored only in RAM (memory) and will be forgotten at shutdown.īecause it's in RAM, a RAM disk is very, very fast, in fact, it's the fastest disk you can possibly have (without buying an expensive RAID). In all of these cases, the data on the volume will persist after the computer is shut down because it's been written to permanent storage.