Unreal Engine Issues

UE-194268

WorldPartitionHLODsBuilder keeps generated HLOD meshes and causes run out of memory

WorldPartitionHLODsBuilder keeps generated HLOD meshes and causes run out of memory

Steps to Reproduce
  1. Download repro project linked in the comment field.
  2. Run following commandlet to delete HLODs 
    "path to editor" "path to uproject" -BaseDir="path to engine dir" /Game/PL_TestMap16_HLODTestMerge_WP_Solo -run=WorldPartitionBuilderCommandlet -Builder=WorldPartitionHLODsBuilder -DeleteHLODs -AllowCommandletRendering
  3. Run UnrealInsights
  4. Run Following commandlet to build HLODs 
    "path to editor" "path to uproject" -BaseDir="path to engine dir" /Game/PL_TestMap16_HLODTestMerge_WP_Solo -run=WorldPartitionBuilderCommandlet -Builder=WorldPartitionHLODsBuilder -SetupHLODs -BuildHLODs -AllowCommandletRendering -trace=default,memory,log
  5. See MemoryInsights trace

Result:

Generated HLOD meshes stays in memory all the time (see attached image)

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Cannot Reproduce
ComponentUE - World Creation - Worldbuilding Tools - HLOD
Affects Versions5.3
Target Fix5.4
CreatedAug 30, 2023
ResolvedMar 28, 2024
UpdatedMar 28, 2024