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Tuning Instance
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Tuning Oracle Instance
Instance Tuning
Main Components SGA
Shared Pool Tuning
Oracle Library Cache
Query Dictionary Cache
Global Area Session
Data Buffer Cache
Redo Log Buffer
Instance Tuning Conclusion
Shared Pool Tuning
Shared Pool Optimal Tuning
Pin Packages Shared Pool
Pinning Supplied Packages
Reserved Size
Identifying High Use Packages
Pinned Packages Output
IIdentify Swapped out Items
Statistics gathered from Startup
Detecting Library Cache Contention
Library Cache Statistics
Reuse SQL Library Cache
Tuning Shared Pool
Data Buffer Cache
Tuning Data Buffer
Calculate buffer Hit Ratio
Non- Full table Scan
Full table Scan
Impact Adding Data Buffers
Predict Amount Spare Memory
Create multiple Buffer Pools
Configure Multiple Buffer Pools
Size Buffer Pools
Monitor Buffer Cache
Use Table Caching
Databuffer Cache Conclusion
Redo Log Tuning
Oracle Redo Logs
Tuning Techniques
View RedoLog Activity
Redo Log Parameters
RedoLog Wait Statistics
RedoLogs Online Size Determination
size Archived RedoLog FileSystem
Tune redo Log Operations
log_checkpoint_interval
RedoLog Tuning Conclusion
Sorting Operations
Oracle Sorting Basics
Sorting Parameters
SQL Join Operations
Monitor for Disk Sorts
Sorting Direct Writes
Temporary Sorting Space
Monitoring Temp Tablespace
Remove SQL Sorts
Sorting Operations Conclusion
Tuning Oracle Locks
Redo log Tuning Concepts - Quiz
Each question is worth one point. Select the best answer or answers for each question.
1.
Which are the most important redo log parameters? (Please select all that apply.)
Please select all the correct answers.
A.
Log_buffer
B.
Log_simultaneous_copies
C.
Log_small_entry_max_size
D.
Log_checkpoints_to_alert
2.
Which is the best criterion for sizing the online redo log?
Please select all the correct answers.
A.
Sized for fewer than three log switches per hour
B.
Sized to hold at least two hours of redo activity
C.
Sized to allow one day's roll-forward capability
D.
Sized to keep more than one day's update activity
3.
Where are the best places to find the frequency of redo log switches? (Please select all that apply.)
Please select all the correct answers.
A.
The alert log
B.
The V$SYSSTAT view
C.
The dates on the archived redo logs
D.
The V$LOGHIST view