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  • 1.  Memory used by STAP

    Posted 04/08/21 07:08 PM
    Hi all:

    Anybody knows how many memory use in the server the STAP and modules under Linux and AIX? Normally when I tell to DBAs that we need to install an agent, the first question is thats.

    Regards,

    ------------------------------
    Carlos Espinoza Chandia
    ------------------------------


  • 2.  RE: Memory used by STAP

    Posted 04/09/21 03:34 AM
    Hi Carlos,

    may be this thread is usefull for what are you asking: https://community.ibm.com/coammunity/user/security/communities/community-home/digestviewer/viewthread?GroupId=2491&MessageKey=11c7c9d9-5fe5-4a9e-b2d4-fc76ca2bd064&CommunityKey=aa1a6549-4b51-421a-9c67-6dd41e65ef85&tab=digestviewer

    Regards.

    ------------------------------
    Miguel Garcia Gimenez
    Cibersecurity Expert at Nologin Consulting S.L
    IBM Partner
    ------------------------------



  • 3.  RE: Memory used by STAP

    Posted 04/09/21 09:59 AM
    Hi Miguel,

    Thank you for answer me, but your link doesn't works (for me?).
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    Regards,




    ------------------------------
    Carlos Espinoza Chandia
    ------------------------------

    Original Message


  • 4.  RE: Memory used by STAP

    Posted 04/14/21 09:28 AM
    Oh, i'm really sorry, Carlos. Although your question is solved, i'm going to update the broken link. I hope this could be helpfull for someone:

    https://community.ibm.com/community/user/security/communities/community-home/digestviewer/viewthread?GroupId=2491&MessageKey=11c7c9d9-5fe5-4a9e-b2d4-fc76ca2bd064&CommunityKey=aa1a6549-4b51-421a-9c67-6dd41e65ef85&tab=digestviewer

    Regards.

    ------------------------------
    Miguel Garcia Gimenez
    Cibersecurity Expert at Nologin Consulting S.L
    IBM Partner
    ------------------------------

    Original Message


  • 5.  RE: Memory used by STAP

    Posted 04/09/21 02:02 PM
    It depends on the setting of BUFFER_FILE_SIZE_MAX value in guard_tap.ini. It also have memory overhead, normally 40-100MB range. So if BUFFER_FILE_SIZE_MAX is 500MB, STAP may consume memory up to 540-600MB. Hope it helps.

    ------------------------------
    XIAO XING LU
    ------------------------------



  • 6.  RE: Memory used by STAP

    Posted 04/09/21 04:24 PM
    Thank you Xiao,

    The Buffer_file_size_max doesn't exist (in version 11.0) but I understand that is the same as  BUFFER_FILE_SIZE and this value is by default in 50. So, your answer can help me. Thank you.

    BR

    ------------------------------
    Carlos Espinoza Chandia
    ------------------------------

    Original Message


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