IBM Support

LI74491: VIRTUAL MEMORY LIMIT SET ON LINUX IS NOT OVERWRITTEN BY DB2 START TO UNLIMITED CAUSING MEMORY LIMITATIONS ON VIRTUAL MEMORY.

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APAR status

  • Closed as program error.

Error description

  • Virtual memory limit set other than unlimited is not overwritten
    by db2 start thus limiting the size of the virtual memory to the
    value set.
    
    With this fix, db2 will override VM limit to unlimited at db2
    start to avoid further limitations on memory requirements.
    

Local fix

  • Set VM limit to unlimited:
    
    $ ulimit -a
    
    process size (kbytes)          (-v)  unlimited
    

Problem summary

  • VIRTUAL MEMORY LIMIT SET ON LINUX IS NOT OVERWRITTEN BY DB2
    START TO UNLIMITED CAUSING MEMORY LIMITATIONS ON VIRTUAL MEMORY.
    

Problem conclusion

  • First Fixed in DB2 v95FP6
    

Temporary fix

  • Apply DB2 v95 FP6
    
    or
    
    Set VM limit to unlimited:
    
    $ ulimit -a
    
    process size (kbytes)          (-v)  unlimited
    

Comments

APAR Information

  • APAR number

    LI74491

  • Reported component name

    DB2 UDE ESE LIN

  • Reported component ID

    5765F4104

  • Reported release

    950

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-05-11

  • Closed date

    2010-09-14

  • Last modified date

    2010-09-14

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    IC68321 IC68329

Fix information

  • Fixed component name

    DB2 UDE ESE LIN

  • Fixed component ID

    5765F4104

Applicable component levels

  • R950 PSY

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"950","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
14 September 2010