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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
Overall redo log tuning - Quiz
Each question is worth one point. Select the best answer or answers for each question.
1.
What redo log parameter will remedy high redo log space requests?
Please select the best answer.
A.
Log_small_entry_max_size
B.
Log_checkpoints_to_alert
C.
Log_buffer
D.
Log_simultaneous_copies
2.
What is the best approach to sizing your online redo logs?
Please select the best answer.
A.
Size them to switch fewer than two times per hour
B.
Size them according to the number of redo log space requests
C.
Size them according to the value of redo buffer allocation retries
D.
Size them large enough to avoid "snapshot too old" errors
3.
Which are sources of redo log tuning statistics? (Please select all that apply.)
Please select all the correct answers.
A.
The V$SYSSTAT view
B.
The V$LOG view
C.
The output from utlbstat-utlestat
D.
The output from an export-import
4.
Which Oracle background processes are responsible for redo log activity? (Please select all that apply.)
Please select all the correct answers.
A.
PMON
B.
ARCH
C.
LGWR
D.
SMON