ADDMRPT

Hi all,
11.2.0.1
Aix 6.1
This is on our DEV/UAT Server.
Can you comment on my ADDM REPORT because the programmer is experiencing slow performance in her batch test run. She said it is not like last week.
======
Activity During the Analysis Period
Total database time was 2145 seconds.
The average number of active sessions was .45.
Summary of Findings
   Description                               Active Sessions      Recommendation
s
                                             Percent of Activity
1  Virtual Memory Paging                     .45 | 100            1
2  Top SQL Statements                        .39 | 87.02          5
3  Top Segments by "User I/O" and "Cluster"  .01 | 2.37           1
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          Findings and Recommendations
Finding 1: Virtual Memory Paging
Impact is .45 active sessions, 100% of total activity.
Significant virtual memory paging was detected on the host operating system.
   Recommendation 1: Host Configuration
   Estimated benefit is .45 active sessions, 100% of total activity.
   Action
      Host operating system was experiencing significant paging but no
      particular root cause could be detected. Investigate processes that do
      not belong to this instance running on the host that are consuming
      significant amount of virtual memory. Also consider adding more physical
      memory to the host.
=======================
Why is that our addm report always finds number 1 cause as Virtual Memory Paging? If I run "topas" I can not see any paging in swap.
What does it mean by > The average number of active sessions was .45?   Is there a fraction session?
Which of the tool in addm that recommends creation of indexes on certain column table?
Thanks,
pK

Hi,
Actually its a batch compiled pro*c program so she can not issue the sqltrace at session level.
As dba can I run sqltrace at schema level or database level instead?
ADDMRPT 

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    spool /tmp/esnap.lst
    select max(SNAP_ID) from dba_hist_snapshot;
    spool off
    spool /tmp/iname.lst
    select instance_name from v\$instance;
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    spool /tmp/dname.lst
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    spool off
    spool /tmp/inum.lst
    select instance_number from v\$instance;
    spool off
    spool /tmp/dbid.lst
    select dbid from v\$database;
    spool off
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    BSNAP=`cat /tmp/bsnap.lst | tail -1 | awk '{ print $1}'`;export BSNAP
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    Ajay More
    http://www.moreajays.com

  • Cannot generate AWR/ADDM reports in Oracle 10g

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  • ADDM Report is not produced by SQL DEV 4.0 if logged in user does not have SYSDBA privilege

    Hello -
    In SQLDEV 4.0 (Early Adapter), I logged in as user with no SYSDBA privilege granted. But ADVISOR granted and  execute on DBMS_ADDM granted and "select any dictionary" granted, etc.
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    Select ADDM report from the available choices.
    Out of 3 menu options: Summary, Findings and ADDM Report, I can see the first two, but I am getting a grey screen for ADDM Report.
    ^^^^^^^^^^^^^^^^^^^^^
    If i do exactly the same but login as SYSDBA, then ADDM Report can be produced and can be seen. So the issue is in the missing grants and privileges.
    ^^^^^^^^^^^^^^^^^^^^^^
    The goal that we are pursuing in our shop is to empower developers to work with ADDM reports by having them login as non-SYSDBA user.
    ^^^^^^^^^^^^^^^^^^^^^^^^
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    The same user can successfully execute $ORACLE_HOME/rdbms/admin/addmrpt.sql and produce file with complete ADDM report. But not able to get the ADDM from SQL DEV 4.0
    Thank you,
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    Thank you, Phil.
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    Here is my observation for RAC database with two instances.
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    Then
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  • Performance issue reported in ADDM output

    When I run addmrpt on PROD, I get this line frequently reported.
    SQL statements consuming significant database time were found.
       RECOMMENDATION 1: SQL Tuning, 22% benefit (2456 seconds)
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    Hi;
    What is your Db and EBS version ,also please mention OS
    If you search as RELEVANT OBJECT: SQL statement with SQL_ID in metalink there are 8 doc avaliable, but i belive its better to move your post on:
    Forum Home » Database » SQL and PL/SQL
    Regard
    Helios

  • Good question on ADDM and AWR

    Just curious to know what is the difference between running *{color:#808000}awrrpt.sql{color}* and *{color:#808000}addmrpt.sql{color}*?
    I could not get right information googling out.
    Thanks for your time!

    1)addmrpt.sql -- Generates "DETAILED ADDM REPORT" which reports findings and gives recommendations about activities impacting the db most. It generates a text file.
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  • ADDM Findings Top SQL Statements

    Hi,
    I have run addmrpt.sql for 1 month of time using snapshots and every ADDM report says that sql statement having id **** listed under top sql statements findings and recommendation is to tune using sql tunning advisor. It has 2-4 seconds elapsed time.But when i go through AWR report  instance efficiency report and all are normal.
    Can anyone please confirm whether I should recommend to tune this SQL statement to my vendor ?
    Thanks,
    TK

    below is the sql I found in ADDM. As I understood it is an intername SQL not an application SQL. When i searched it in internet found that it is related with check_oracle_health plugin. can you please help me to understand this nagios concept and the relationship it has with oracle software. And also how should I identify which methods we are using to monitor database internally?
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             FROM
             dba_data_files a
             GROUP BY
             tablespace_name
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             -- => bytes_free
             SELECT
             a.tablespace_name,
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             FROM
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             GROUP BY
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             -- => bytes_expired
             SELECT
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             WHERE
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             GROUP BY
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             ) d
             WHERE
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             AND a.tablespace_name = b.tablespace_name@@@@@@@@
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  • Top sql elasped time, how true is that

    hi guys,
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    <i>
    2,372      2,275      128,690,535      0.00      4.28      fphtjnquzzpud      [email protected] (TNS V1-V3)      SELECT USER_ID FROM SUBSCRIBER...
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    Regards,
    Noob

    Hi,
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       RECOMMENDATION 1: SQL Tuning, 24% benefit (20393 seconds)
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             PLAN_HASH 1303522576But in awrrrpt.sql the elapsed time showing is for the total number of times the sql is executed in the DB.
    ^LSQL ordered by Elapsed Time       DB/Inst: STEELP/STEELP1  Snaps: 13011-13012
    -> Resources reported for PL/SQL code includes the resources used by all SQL
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    -> % Total DB Time is the Elapsed Time of the SQL statement divided
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         6,761      1,869            1     6761.3    11.2 4hsz1t5dsmhy4
    Module: XXLOTDETSo check the addmrpt report.
    thanks.
    baskar.l

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