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Can Java garbage collector randomly delete objects in the On-Heap tier?


Can Java garbage collector randomly delete objects in the On-Heap tier?

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Can Java garbage collector randomly delete objects in the On-Heap tier?
Tag : java , By : Tigre
Date : November 24 2020, 03:41 PM

it fixes the issue GC won't collect a live object, that is an object which is reachable from a live thread. Objects in the on-heap Ehcache storage are reachable so they won't be collected.
Ehcache used to experiment with WeakReference but according to this post this idea was abandoned:

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How to calculate eligibility of objects to garbage collector in Java?


Tag : java , By : Myatus
Date : March 29 2020, 07:55 AM
Any of those help 4 Object[2 of B, 2 of Long] will be created and all 4 would be ready for GC.
At the line
c = null;//going to gc.

Singleton over collections of objects in Java and garbage collector


Tag : java , By : user121350
Date : March 29 2020, 07:55 AM
should help you out Use a WeakReference to wrap the objects before putting them in the list. Example:
private static List<WeakReference<Car>> cars = new ArrayList<WeakReference<Car>>();

public static synchronized Car createCar(int id) {
   WeakReference<Car> result= new WeakReference<Car>(new Car(id));
   int index= cars.indexOf(result);
   if (index==-1){
      cars.add(result);
      return result.get();
   } else {
      return cars.get(index).get();
   }
}

Why is garbage collector not doing a more aggressive garbage collection sooner than single digit heap free %?


Tag : java , By : Shane
Date : March 29 2020, 07:55 AM
Hope this helps Found the answer using a combination of other stackoverflow articles.
-XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=N

Powershell Garbage Collector delete .Net objects which should not be deleted


Tag : powershell , By : nabbed
Date : March 29 2020, 07:55 AM
like below fixes the issue I think you have a misunderstanding of PowerShell scopes. This works as you are expecting:
[int] $i
#{
$i = New-Object int;
$i = 20;
#}
Write-Host "i is $i"

for( [long] $j = 4000; $j -le 5000; $j++ )
{
    $newVar = New-Variable "aNewObject$j" 
    $newVar = $j;  
}

if($i -eq $null)
{
    Write-Host "I is destroyed"
}
$newVar = New-Variable "aNewObject$j" 

how many Java Garbage Collector objects?


Tag : java , By : user186012
Date : March 29 2020, 07:55 AM
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