Oracle AWR report


DB Name
DB Id
Instance
Inst num
Startup Time
Release
RAC
MDB
2154954810
MDB
1
02-Jul-15 10:07
11.2.0.3.0
NO

Host Name
Platform
CPUs
Cores
Sockets
Memory (GB)
Mylocalhhost
Linux x86 64-bit
6
6
6
23.46

Snap Id
Snap Time
Sessions
Cursors/Session
Begin Snap:
9275
06-Jul-15 10:00:34
350
5.4
End Snap:
9276
06-Jul-15 11:00:44
280
6.7
Elapsed:

60.16 (mins)


DB Time:

37.65 (mins)


Report Summary
Cache Sizes
Begin
End
Buffer Cache:
2,064M
2,064M
Std Block Size:
8K
Shared Pool Size:
4,848M
4,848M
Log Buffer:
13,964K
Load Profile
Per Second
Per Transaction
Per Exec
Per Call
DB Time(s):
0.6
0.0
0.00
0.00
DB CPU(s):
0.3
0.0
0.00
0.00
Redo size:
135,529.4
8,717.8


Logical reads:
5,165.1
332.2


Block changes:
768.0
49.4


Physical reads:
165.8
10.7


Physical writes:
14.2
0.9


User calls:
2,196.5
141.3


Parses:
160.6
10.3


Hard parses:
1.8
0.1


W/A MB processed:
2.1
0.1


Logons:
3.0
0.2


Executes:
1,334.9
85.9


Rollbacks:
0.1
0.0


Transactions:
15.6



Instance Efficiency Percentages (Target 100%)
Buffer Nowait %:
99.86
Redo NoWait %:
100.00
Buffer Hit %:
99.98
In-memory Sort %:
100.00
Library Hit %:
99.77
Soft Parse %:
98.86
Execute to Parse %:
87.97
Latch Hit %:
99.85
Parse CPU to Parse Elapsd %:
18.79
% Non-Parse CPU:
95.81
Shared Pool Statistics
Begin
End
Memory Usage %:
47.51
47.69
% SQL with executions>1:
98.42
97.77
% Memory for SQL w/exec>1:
93.32
93.80
Top 5 Timed Foreground Events
Event
Waits
Time(s)
Avg wait (ms)
% DB time
Wait Class
DB CPU

1,169

51.74

buffer busy waits
17,020
142
8
6.30
Concurrency
library cache: mutex X
10,218
131
13
5.78
Concurrency
enq: MS - contention
2,207
65
30
2.89
Other
enq: TX - row lock contention
5,139
63
12
2.80
Application
Host CPU (CPUs: 6 Cores: 6 Sockets: 6)
Load Average Begin
Load Average End
%User
%System
%WIO
%Idle
0.18
0.18
4.7
1.9
0.3
93.2
Instance CPU
%Total CPU
%Busy CPU
%DB time waiting for CPU (Resource Manager)
5.6
83.0
0.0
Memory Statistics
Begin
End
Host Mem (MB):
24,023.5
24,023.5
SGA use (MB):
7,216.0
7,216.0
PGA use (MB):
845.4
771.0
% Host Mem used for SGA+PGA:
33.56
33.25


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