Re: Books or links on Oracle Wait events (in depth)
- From: Paul Drake <bdbafh@xxxxxxxxx>
- To: shastry17@xxxxxxxxx
- Date: Mon, 4 Oct 2010 23:33:19 -0400
You're in luck.
http://thinkoracle.blogspot.com/2005/11/oracle-insights-tales-of-oak-table.html
Chapter 7.
If you need an instant remedy, this might fix you right up:
http://books.google.com/books?id=b3DIkYO2gBQC&pg=PA9&lpg=PA9&dq=oracle+compulsive+tuning+disorder&source=bl&ots=yTXvCFe7xF&sig=yqsl1ZVbgG2VBtHLeldAvY0-6w8&hl=en&ei=upqqTN_0DsL78Aat8rSFBw&sa=X&oi=book_result&ct=result&resnum=5&sqi=2&ved=0CCkQ6AEwBA#v=onepage&q=oracle%20compulsive%20tuning%20disorder&f=false
Seriously though, did the average waits get so large that they flipped to be
too large for a 32 bit integer and simply appear to be negative?
-bdbafh
On Mon, Oct 4, 2010 at 11:19 PM, Shastry(DBA) <shastry17@xxxxxxxxx> wrote:
> Hello Gurus,
>
> I would like to know if there is a book available to cover the below topics
> in depth. Please suggest.
> Does performance tuning books covers these areas or is there any different
> pointers which needs to be hit.
> Thanks in advance.
>
> EVENT COUNT(*) AVG(B.WAIT_TIME)
> ---------------------------------------- ---------- ----------------
> library cache pin 1 -1
> SQL*Net more data to dblink 1 0
> gc cr multi block request 1 0
> SQL*Net message from dblink 1 0
> enq: TX - row lock contention 1 0
> SQL*Net more data from client 1 0
> SQL*Net more data to client 2 -1
> latch: session allocation 2 .5
> control file sequential read 2 -1
> db file scattered read 2 0
> latch: cache buffers chains 3 -1
> read by other session 4 0
> latch free 4 -1
> gc buffer busy 4 -.25
> gc cr request 4 -.5
> SQL*Net message to client 5 -1
> wait for unread message on broadcast cha 7 0
> nnel
>
> pipe get 10 0
> db file sequential read 37 -.21621622
> Streams AQ: waiting for messages in the 51 0
> queue
>
> PL/SQL lock timer 59 0
> SQL*Net message from client 2185 3.11716247
>
> Regards,
> /An
>
Other related posts:
