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In the operating systems of the Apple Mac, i.e. Mac OS X or macOS, processes and applications that improve file and storage management are actually constantly running in the background. The computer is supposed to keep its working power for as long as possible and perform tasks quickly. However, the system is not perfect, like the one among others mdworkerProcess shows. Similar to that kernel_task it slows down the system under certain circumstances and slows down the system and apps - even though the Mac, iMac or MacBook is still technically up-to-date. A remedy against a mdworker who generates a high CPU load is to create a new spotlight index.
Symptoms for a faulty Spotlight index and a madworker process in macOS is a slow Mac that lets the fans spin like mad right from the start. There are also long waiting times for actually simple tasks in standard apps, so that even saving a text file becomes a test of patience. In contrast to the kernel_task, the mdworker does not react to the CPU temperature and deliberately slows down the Mac. The reason is, as already indicated, that the index of the Spotlight search function got mixed up. So you have to recreate it to solve the problem.
Deleting the Spotlight index and recreating it to bring the mdworker process back to order can be done in various ways - e. B. manually after the instructions "Renew Spotlight indexing on the Mac" from Apple in the system settings of macOS, but also with the help of cleaning apps such as OnyX or CleanMyMac. Here I show you all three options in detail.
Does the mdworker have the Spotlight search also overwhelms your Mac and overloads or overloads the CPU? Were you able to fix the problem with the instructions above and throttle the mdworker down to a normal level again? Feel free to leave your experiences and thoughts on the topic in the comments - even if you know other advice and instructions to counteract a slow Mac!
After graduating from high school, Johannes completed an apprenticeship as a business assistant specializing in foreign languages. But then he decided to research and write, which resulted in his independence. For several years he has been working for Sir Apfelot, among others. His articles include product introductions, news, manuals, video games, consoles, and more. He follows Apple keynotes live via stream.