Hello everybody! Let me put my two cents on this.
First thing first. Googling around I realized that nowadays optimizations and settings for SSD on Linux, are "myths" since SSD have nothing to do with those used to be used 3-5 years ago. Additionally Linux distributions that we have today are equipped with the 4+ line of the Linux kernel.
One by one.
SSD makers have taken care of their lifetime to withstand 100 TB records while Linux developers continuously improve system files to take advantage of every new SSD feature.
Block Alignment:
Many people still believe that partition alignment is essential for SSD. However, this is not necessary. The problem with alignment occurs when we just move a Linux installation from a standard HDD to SSD (eg with CloneZilla) and this before 2013 era. A user who know about CloneZilla already knows what to do.
Deactivation of
Swap partition:
One of the biggest myths is to deactivate SWAP on Linux when we have SSDs and especially in conjunction with those with more than 4GB of Ram.
SSDs, as we have said, have a certain number of recordings, it's an old myth that we must deactivate SWAP and that we do not need it. In fact, the existence of Swap is more good than bad.
There are times, for example, that an application, or a badly crafted website, will begin to fill RAM while you carelessly write your work. If you do not have a Swap, which will take the heavy load to receive RAM data, it is likely that your system will "freeze" and you will need to shut down the computer manually resulting in a loss of your job and the worse to cause some irreversible destruction from the sudden power failure.
Set 0 (zero) swapiness:
This setting has to do with the priority of using or not of Swap. Actually, the arrangement itself is not a myth but the various tips are not a rule. In other words, most distributions have seen that setting it at 60 is an ideal choice for general purpose of desktops.
Disable browser cache:
Turning off the browser cache to reduce subscriptions to the SSD, unfortunately has the opposite effects. Your favorite browser is set to download the web site once on the disk so that it will load the next time you visit it (if it has not changed dramatically) to load it faster and not have to download it all again. If we disable it in order to save records, then all we can do is increase it because every time we visit the site, it will be taken from the beginning, recorded and at the same time we will see the delay that we mentioned.
SSD Trim:
TRIM is a function that the operating system can use to inform our SSD, which blocks are no longer used. Full support for TRIM was added to the Linux kernel in version 3.7.
Should not care about TRIM because almost all distributions have automated the process and most likely have configured the operating system to perform it once a week.
I found many other tips that are not necessary to be included, I think you get the point.
Don't worry for your SSD any more. Just plug and enjoy.
Linux does the trick.
