This article gives you more information on the VMFS3.MaxHeapSizeMB advanced parameter. Let’s start off with VMware KB article 1004424 describing the method to increase the VMFS3 Heap Size in case you see the following error message in /var/log/vmkernel or /var/log/messages log: vmkernel: 8:18:59:58.640 cpu2:1410)WARNING: Heap: 1370: Heap_Align(vmfs3, 4096/4096 bytes, 4 align) failed. caller: 0x8fdbd0 vmkernel: 8:18:59:58.640 […]
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VMFS3 Heap Size (MaxHeapSizeMB)
Posted by Kenneth van Ditmarsch on February 15, 2011
https://virtualkenneth.com/2011/02/15/vmfs3-heap-size-maxheapsizemb/