Optimizing Your Mac - Performance may be affected until completed.

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macOS it is a very robust operating system, and compared to other operating systems, updates are made with a fairly low frequency. No updates will be received macOS daily or weekly, as is the case on Windows.
Some users, after macOS Update they receive a notification by which they are informed that Mac is being optimized, and this operation may affect performance. “Optimizing Your Mac - Performance may be affected until completed".

Why the notification appears "Optimizing Your Mac”After macOS Update?

The optimization process of Mac after an update it starts very rarely. Maybe in a few years, some users of Mac they have never met this message.

Optimizing Your Mac
Optimizing Your Mac

Notification "Optimizing Your Mac - Performance may be affected until completed"Appears most often after major operating system updates, when important system files and libraries have been modified, require verification or reindexing.

An example is the cache system for Spotlight Search. In order for the searched files to be listed quickly, they are indexed on the hard drive. Following a major update, it is possible that these indexes will be deleted, relocated or require a total rebuild. This optimization process could take several minutes (depending on the volume of stored files), during which performance will be reduced, and if you are on a MacBook not connected to a power source, you may notice that the battery is consumed much faster than usual.

During the optimization process they can be checked, corrected and changed system file permissions, can migrate to other locations on the application's cache libraries Photos (Photos Library) or other related files kernel_task.

So when we get the message, "Optimizing Your Mac”It is good for a while not to start applications or operations that we know require hard drive (read / write), processor (CPU) or memory (RAM).

Bonus: Maybe some of you will be a little confused by a difference. “optimising"Or"Optimizing". both"Optimizing Your Mac" and also "Optimizing Your Mac"They are correct, only the latter is in British, the other American English.

I am happy to share my experiences in the field of computers, mobile phones and operating systems, to develop web projects and to bring the most useful tutorials and advice. I like to "play" on the iPhone, MacBook Pro, iPad, AirPort Extreme and on operating systems macOS, iOS, Android and Windows.

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