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What we need to have in EP 6.0 (SP15) to support 100000 users?

Hi,

Any one having expereince in handling more than 100000 users in EP 6.0. What would be the minimum requirements to support concurrent users and heavy traffic.

I need your inputs on infrastructure, patch level, JVM version (AIX) and others areas to support more users.

Any idea about sdn.sap.com portal configuration and other infrastructure info? I read some where but i don't where...

Regards,

Vasanth.

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3 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Nov 29, 2007 at 05:57 PM

    HI V B,

    You just need to calculate according to hardware.

    this is how you calculate. 1 dialoge support 10 users. then you need 10,000 dialog processes. Make sure to calculate your hardware properly. also, you will need app..servers. I dont think you can have mroe than 1000 workprocess in either system.

    check out with sap.

    Thanks,

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    • Hi,

      sorry I have strongly to disagree on what you wrote about "10 user per..." and so on.

      First of all you talk about dialog WPs, the poster asked about EP which is Java, there are no WPs but server processes and threads. Secondly 100.000 users can be named users, logged on user or concurrent users, depending on what exactly is meant in in the OP the need varies dramatically.

      Back to the OP:

      Take the newest patch level for your implementation. For the JVM ensure that you take J9 technology (should be the default these days). What HW you need is hard to say, especially since we don't now what the 100.000 users do. The only reliable answer can be given by IBM. Please check with them and verify with a load test once the system is set up. Please monitor during the test closely what the PCD does with heap memory since AIX JVM uses soft references to implement a PCD cache and depending on your PCD design this can lead to issues, so that you have to cache objects permamently. But we can discuss that once you're there...

      Regards,

      Jochen

  • author's profile photo Former Member
    Former Member
    Posted on Jan 16, 2008 at 08:50 AM

    SAP delivered the solutions

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  • author's profile photo Former Member
    Former Member
    Posted on Jan 18, 2008 at 12:38 AM

    Hi V.B,

    Do you mind sharing that knowledge that SAP has provided?

    Thanks,

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    • Former Member

      Hi Experts,

      I found the following error in the WP trace log;

      • ERROR in DB6Open[dbdb6.c, 3207] CON = 1 (BEGIN)

      &+ dsql_db6_open( SQLExecute ): [IBM][CLI Driver][DB2/AIX64] SQL0969N There is no message text corresponding to SQL

      &+ error "-99999" in the message file on this workstation. The error was returned from module "SQL08025" with origin

      &+ al tokens

      &+

      &+ CALL GET_DB_CONFIG

      &+ cursor type=NO_HOLD, isolation=UR, cc_release=NO, optlevel=5, degree=1, buffer_lobs=YES, op_type=24, reopt=0

      &+ ABAP location info: 'CL_SQL_STATEMENT==============CP', 383

      &+

      &+ ABAP location info 'CL_SQL_STATEMENT==============CP', 383

      &+

      • ERROR in DB6Open[dbdb6.c, 3207] (END)

      ***LOG BY2=> sql error -99999 performing OPC [dbds#1 @ 482] [dbds 0482 ]

      ***LOG BY0=> SQL0969N There is no message text corresponding to SQL error "-99999" in the message file on this workstation. The

      ***LOG BY1=> sql error -99999 [dbacds#2 @ 1433] [dbacds 1433 ]

      disconnected from 'PSP', con_hdl=1

      Disconnected from connection con_da={PSP,251,3}

      Could you please suggest why this error is occuring? Also we noticed that the workprocesses are in Err status '**'.

      Thanks and Regards,

      Jude

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