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Note 1771258 - Linux: User and system resource limits

Header
Version / Date 3 / 2013-08-07
Priority Recommendations/additional info
Category Installation information
Primary Component BC-OP-LNX Linux
Secondary Components

Summary
Symptom
  • SAP system may stop when OS resource limits (e.g. file handles, allowed memory) have been reached.
  • You may want to manually configure the stack size, number of file handles, enable core dumps or set other OS limits for your SAP system.
  • SAP processes like disp+work which were started through the SAPHostAgent and sapstartsrv service do not utilize resource limits which were configured in /etc/security/limits.conf

Other terms

Linux, operating system limits, OS limits, process resource limits, ulimit, limit, core file, limits.conf, SAPHostAgent, file descriptors, stack size, environment variables, SAPHOSTAGENT, sapstartsrv

Reason and Prerequisites

To ensure stable operation of SAP applications on the Linux operating system it is necessary that process resource limits are properly configured.

Solution
https://service.sap.com/sap/support/notes/1771258 (SAP Service marketplace login required)

Key words : resource limits, security limits, environment variables, configuration files, process resource,

Affected Releases
Software Component Release From Release To Release And subsequent
KRNL32NUC7.107.207.20
KRNL32NUC7.20EXT7.20EXT7.20EXT
KRNL32NUC7.217.217.21
KRNL32NUC7.21EXT7.21EXT7.21EXT
KRNL32UC7.107.207.20
KRNL32UC7.20EXT7.20EXT7.20EXT
KRNL32UC7.217.217.21
KRNL32UC7.21EXT7.21EXT7.21EXT
KRNL64NUC7.107.207.20
KRNL64NUC7.20EXT7.20EXT7.20EXT
KRNL64NUC7.217.217.21
KRNL64NUC7.21EXT7.21EXT7.21EXT
KRNL64NUC7.387.387.38
KRNL64NUC7.407.407.40
KRNL64UC7.107.207.20
KRNL64UC7.20EXT7.20EXT7.20EXT
KRNL64UC7.217.217.21
KRNL64UC7.21EXT7.21EXT7.21EXT
KRNL64UC7.387.387.38
KRNL64UC7.407.407.40
KERNEL727.207.21X
KERNEL7.387.387.38X
KERNEL7.407.407.40X

Related Notes
1437105Operating system limits for SAP instances
1301712
1163337Generating core dumps on Linux
171356SAP software on Linux: General information