SAP Knowledge Base Article - Preview

2381556 - Message "Could not allocate memory using Huge Pages" during startup - SAP ASE on Linux

Symptom

  • The ASE errorlog shows an informational message during startup regarding Huge Pages:
    Could not allocate memory using Huge Pages. Allocated using regular pages. For better performance, reboot the server after configuring enough Huge Pages.

  • How to configure or fix HugePages use in ASE?


Read more...

Environment

  • SAP Adaptive Server Enterprise (ASE) 15.0.3 and higher
  • Linux

Product

SAP Adaptive Server Enterprise all versions ; Sybase Adaptive Server Enterprise all versions

Keywords

hugepages, start-up, vm.nr_hugepages, nr_hugepages, /etc/sysctl.conf, sysctl. conf, /etc/security/limits.conf, limits.conf, memlock,  /proc/meminfo,  meminfo, /proc/sys/vm/hugetlb_shm_group, hugetlb_shm_group, "enable HugePages" , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-OP-LNX , Linux , How To

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.