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Meller

unraid 6.5.0 is cacheing nearly all of my system memory/ram

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I don't quite understand what the cache means in terms of how much ram is being used.  I have 16GB of memory in my unraid system.  It reports ~2.65GB used, ~12.64GB cached, with a few hundred megabytes free.  Why is it cache'ing almost all of my memory?  Is this normal?  What does it mean? 

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Dont Panic! Unused ram is wasted ram. Its good its being used for something.

 

Should any programs need it, they will get it and the caches are flushed/dropped.

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Sounds great.  I was unaware that linux auto cached unused ram like that.  And to know it auto releases on demand.  I'll take it. 

Thanks guys!

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