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Thread: Insert performance is very bad

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  1. #10
    Join Date
    Mar 2006
    Location
    Charlotte, NC
    Posts
    865
    I have enabled the trace in the session for more than one hour, before it complete few minutes back. Please see the wait events from tkprof trace file.

    Code:
    VALUES
     ( :1, :2, :3, :4, :5, :6, :7, :8, :9, :10, :11, :12, :13, :14, :15, :16, :17)
       
    
    
    call     count       cpu    elapsed       disk      query    current        rows
    ------- ------  -------- ---------- ---------- ---------- ----------  ----------
    Parse        0      0.00       0.00          0          0          0           0
    Execute   2779     97.96    2741.65      79587      93439    1966341      622496
    Fetch        0      0.00       0.00          0          0          0           0
    ------- ------  -------- ---------- ---------- ---------- ----------  ----------
    total     2779     97.96    2741.65      79587      93439    1966341      622496
    
    Misses in library cache during parse: 0
    Misses in library cache during execute: 1
    Optimizer mode: CHOOSE
    Parsing user id: 83  
    
    Elapsed times include waiting on following events:
      Event waited on                             Times   Max. Wait  Total Waited
      ----------------------------------------   Waited  ----------  ------------
      SQL*Net more data from client               22614        0.00          0.21
      db file sequential read                     79403        1.38       1861.02
      SQL*Net message to client                    2778        0.00          0.00
      SQL*Net message from client                  2778        0.00          1.96
      latch: object queue header operation            1        0.00          0.00
      log file switch completion                      2        0.51          0.51
      log file sync                                   3        0.00          0.00
    based on 'db file sequential read' waits, am I correct If I conclude that there is an issue with the Indexe(s) on the table in question?


    Thanks,
    Last edited by vnktummala; 11-11-2010 at 02:53 PM.
    Vijay Tummala

    Try hard to get what you like OR you will be forced to like what you get.

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