SAP Note 323816 - User limits on AIX

Component : IBM AIX - Installation Unix

Solution : https://service.sap.com/sap/support/notes/323816 (SAP Service marketplace login required)

Summary :
SAP environments may encounter several errors due to the inadequate setting of user limits in A moisture. Examples of these errors include oversized files, memory allocation failures for tp or R3trans, and segmentation faults during installation processes. The root cause is typically outdated or incorrect settings detailed in the system's documentation. Configuration constraints in AIX, including core file size, CPU time, data size, file size, stack size, and the number of open file descriptors per process, are managed via the /etc/security/limits file. This file specifies both hard limits (immutable by users and set by administrators) and soft limits (adjustable by users up to the hard cap). For optimal SAP operation, users associated with R/3 should configure specific soft limits as detailed. Modifications can be made using SMIT or directly editing the /etc/security/limits file. For DB2 32bit installations, refer to SAP Note 365314 for additional settings.

Key words :
soft file size = -1soft data segment size = -1soft stack size = -1this, soft cpu = -1soft core file size = 2097151, core file size, soft limits foreach setting, -> users -> change/show characteristics, terms ulimit limits reason, stack size, core file istruncated, open file descriptors, incorrect documentation solution

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