Differences
This shows you the differences between two versions of the page.
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ep:labs:03:contents:tasks:ex5 [2020/07/30 21:03] gheorghe.petre2608 [06. [30p] RAM disk] |
ep:labs:03:contents:tasks:ex5 [2022/10/24 00:11] (current) andrei.mirciu [03. [30p] RAM disk] |
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| - | ==== 06. [30p] RAM disk === | + | ==== 03. [30p] RAM disk ==== |
| - | Linux allows you to use part of your RAM as a block device, viewing it as a hard disk partition. The advantage of using a RAM disk is the extremely low latency (even when compared to SSDs). The disadvantage is that all contents will be lost after a reboot. | + | Linux allows you to use part of your RAM as a block device, viewing it as a hard disk partition. The advantage of using a RAM disk is the **extremely low latency** (even when compared to SSDs). The disadvantage is that all contents will be lost after a reboot. |
| <note tip> | <note tip> | ||
| There are two main types of RAM disks: | There are two main types of RAM disks: | ||
| Line 14: | Line 14: | ||
| $ df -Th | $ df -Th | ||
| </code> | </code> | ||
| - | The result is: | + | The result should look like this: |
| <code> | <code> | ||
| Filesystem Type Size Used Avail Use% Mounted on | Filesystem Type Size Used Avail Use% Mounted on | ||
| Line 56: | Line 56: | ||
| Look at the elapsed time and average transfer speed. What conclusion can you draw? | Look at the elapsed time and average transfer speed. What conclusion can you draw? | ||
| + | |||
| + | :!: Put one screenshot with the tmpfs partition in df output and one screenshot of both pv commands and write your conclusion. | ||
| + | |||
