![]() Deleting the cache files should be safe no matter what, because they are, well, just caches so they are recreated when needed.Plenty of us have stacks of DVDs gathering dust in the closet. If I am mistaken, perhaps it might have been some other cache, but at least you have a new hypothesis to investigate. How did I solve the problem? Unfortunately, I can no longer find the website that helped me save my machine last year, but if I recall correctly, I have deleted the contents of helpd cache, like this: But you can consider yourself lucky with 16 GB of RAM - my mac mini was routinely being halted for an hour or two whenever the mac os decided it is time to take 12GB(!) of its 8GB for the pointless indexing task.) (the implementation is broken anyway, because obviously taking most of the RAM for a background process and effectively killing the performance can't be intentional. Something goes wrong and it confuses launching the application with changing the folder contents, and triggers the indexing process without the real reason. It is supposed to index help files when a new contents appears (that is, rarely, like when you install a new application), which is detected by monitoring the /Applications folder. Relatively high memory usage for helpd in your screenshot is a hint that this might be the helpd indexing problem. Your iMac is a tank, and I'd hate to see it meet an untimely demise. Even if all else fails, I still have a good SSD that I got for $20 that can go into another machine. I'm into this for about $40 (a little horse trading on ebay helps) and everything works - Ethernet, Bluetooth, external display, and even WiFi! It's utterly useless, from a macOS perspective, but not for FreeBSD with the MATE DE. (Forgive the bezel, I'm dealing with an unscrupulous vendor in NJ who sent me a dead LCD and refused to exchange it due to COVID-19 and I'm waiting on a resolution from AMEX). ![]() This is a little side project I've been hacking away on. Why go through the trouble? Here's a little teaser. You can get a 120GB for under $20USD and a 250GB for under $40. However, this one might be worth an SSD upgrade. I just hate putting money into my old computer. It'll eventually get there, but often times, it will crash.įrom the comments, you've confirmed this with the SMART status saying "Failed" which means that drive literally has one foot in the grave and slowly putting the other one in now. The final image below shoes the memory pressure when things return to normal.Ī dying a hard drive will actually cause this symptom as the system "waits" for read/write operations to complete. Quitting the open apps seems to have no effect. Restarting every time this happens is a real pain. Restarting the computer worked but eventually it gets sluggish again. I've tried restarting my computer and quitting all open apps when it gets sluggish. Kernal_task is not using a lot of CPU but has been running for quite a while.ĭoes anyone have an idea of what is happening? The next image is of the Activity Monitor showing CPU usage. The kernal_task will occasionally drop to 5.46 GB and then sometimes down to 1.6 GB at which time the memory pressure is small and it turns green and my machine will return to normal. Shown below is a screenshot of the activity monitor when this occurs.Īs you can see the process kernal_task is using 9.43 GB of memory. ![]() I have tracked it down to the memory pressure and the process kernal_task. It has started getting very sluggish several times a week. I have a mid-2010 iMac running High Sierra.
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