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Question by Roycemedia · May 29, 2020 at 05:09 AM · webglwebrequestmemory managementmemory usagememory leak

How to free memory of UnityWebRequest?

How can I free the data of UnityWebRequest at Unity WebGL? I am using it to load AssetBundle for most of the data but still unable to release the memory of UnityWebRequest.data because JavaScript.ArrayBuffer is increasing everytime i make a request.

 using (UnityWebRequest webReq = UnityWebRequest.Get(_filePath));
 .
 .
 webReq.Dispose()

Everytime I unload the scene, i will call the dispose function

 AssetBundle.UnloadAllAssetBundles(true)

Nothing is happens. Is there something i did wrong? Do I have to do the loading at JavaScript followed by releasing the memory of that data? I was thinking of doing something like this for JavaScript side but it will always result in memory out of bound for obvious reasons.

  function FreePointer(_arrayOfBytes, _byteLength)
     {
         console.log("free array of bytes: " + _arrayOfBytes); 
         gameInstance.Module._free(_arrayOfBytes);
         console.log("Delete array");
         delete _arrayOfBytes;
     }

s

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Answer by Roycemedia · May 29, 2020 at 11:06 AM

Nevermind. The memory leak comes from instantiation of GameObject from AssetBundle. Though I prevented memory leak by loading file from JavaScript, then explicitly release the memory at JavaScript Side.

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