Re: AWR report

Neither can I make out anything from this..... Sorry: One of those mysteries.

John

On Sat, Mar 13, 2010 at 7:34 PM, K R <kp0773_at_gmail.com> wrote:

> Thanks John,
>
> from node-1
>
> CR Current Inst No Block Class Blocks Received % Immed % Busy % Congst Blocks
> Received % Immed % Busy % Congst 1 data block 5,865 99.13 0.68 0.19
> 116,160 92.72 0.00 7.28 1 Others 16 100.00 0.00 0.00 50 100.00 0.00 0.00 1 undo
> header 11 81.82 18.18 0.00 10 100.00 0.00 0.00 1 undo block 1 100.00 0.00
> 0.00 0
>
>
> from node-2
> CR Current Inst No Block Class Blocks Received % Immed % Busy % Congst Blocks
> Received % Immed % Busy % Congst 2 data block 236 97.88 2.12 0.00 740,773
> 99.78 0.00 0.22 2 Others 832 100.00 0.00 0.00 152 100.00 0.00 0.00 2 undo
> header 129 100.00 0.00 0.00 11 90.91 9.09 0.00 2 undo block 1 100.00 0.00
> 0.00 0
>
>
>
>
>
> somehow I am not able to relate the 218.12% buffer cache and
> buffer-cache disk of -119.42
>
>
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> -Kart
>
>
> On Sat, Mar 13, 2010 at 5:26 PM, John Kanagaraj <john.kanagaraj_at_gmail.com>wrote:
>
>> Kart,
>>
>> Without know what *else* was running at that time, it is only possible to
>> guess. Having the complete AWR report (from both nodes, and assuming 10g)
>> may help. Specifically, look at the last few sections of a RAC AWR report
>> that lists type and statistics of GC traffic.
>>
>> John
>>
>>
>> On Sat, Mar 13, 2010 at 12:15 PM, K R <kp0773_at_gmail.com> wrote:
>>
>>> Hi,
>>>
>>> in one of our 2 node -RAC database in one node
>>>
>>> I observe
>>>
>>> Instance Efficiency Percentages (Target 100%)
>>>
>>> Buffer Nowait %: 92.30 Redo NoWait %: 100.00 Buffer Hit %: 218.12 In-memory
>>> Sort %: 100.00 Library Hit %: 99.07 Soft Parse %: 98.18 Execute to Parse
>>> %: 47.41 Latch Hit %: 99.74 Parse CPU to Parse Elapsd %: 1.77 %
>>> Non-Parse CPU: 88.86
>>>
>>> Global Cache Efficiency Percentages (Target local+remote 100%)
>>>
>>> Buffer access - local cache %: 43.86 Buffer access - remote cache %:
>>> 2.09 Buffer access - disk %: 54.05
>>>
>>> and in other node I observe
>>>
>>>
>>> Global Cache Efficiency Percentages (Target local+remote 100%)
>>>
>>> Buffer access - local cache %: 167.99 Buffer access - remote cache %:
>>> 51.42 Buffer access - disk %: -119.42
>>>
>>> would appreciate any suggestion on why there is a 3 digit disk% on node
>>> 2 and a 3 digit buffer hit on node -1
>>>
>>>
>>> Thanks
>>>
>>> Kart
>>>
>>>
>>>
>>>
>>>
>>
>>
>> --
>> John Kanagaraj <><
>> http://www.linkedin.com/in/johnkanagaraj
>> http://jkanagaraj.wordpress.com (Sorry - not an Oracle blog!)
>> ** The opinions and facts contained in this message are entirely mine and
>> do not reflect those of my employer or customers **
>>
>
>

-- 
John Kanagaraj <><
http://www.linkedin.com/in/johnkanagaraj
http://jkanagaraj.wordpress.com (Sorry - not an Oracle blog!)
** The opinions and facts contained in this message are entirely mine and do
not reflect those of my employer or customers **

--
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