When you get wait seconds > 0 use TKPROF and look for statements taking
time.

HTH
GovindanK
>
> "Ehresmann, David" wrote:
>
>>                                 System-wide Wait Analysis
>>                                  for current wait events
>>
>>                                                                     Average
>> Event                                 Total  Seconds        Total
>> Wait
>> Name                                Waits  Waiting     Timeouts  (in
>> secs)
>> -------------               ---------   ---------       ---------
>> -----------
>> latch free                            1,459                 1,393
>> .000
>>
>> After querying v$system_event my biggest concern is the "latch free"
>> wait
>> event. I understand that latch free is "the process waits for a latch
>> that
>> is currently busy ( held by another process).    How can I drill down
>> and
>> find the cause of this?   I have a feeling it is about rollback or redo
>> logs.
>>
>> thanks,
>>
>> David Ehresmann
>>
>> --
>> Please see the official ORACLE-L FAQ: http://www.orafaq.net
>> --
>> Author: Ehresmann, David
>>   INET: [EMAIL PROTECTED]

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: GovindanK
  INET: [EMAIL PROTECTED]

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