Question: What are
the 12c parameters that relate to the
adaptive_scalable_log_writer feature?
Answer: Here is some of the new
undocumented parameters that relate to the log_buffer size
and the low writer (LGWR) process:
_adaptive_scalable_log_writer_enable_worker_threshold
Increase in redo generation rate as a percentage
_adaptive_scalable_log_writer_disable_worker_threshold
Percentage of overlap across multiple outstanding writes
_adaptive_scalable_log_writer_sampling_count Evaluate
single versus scalable LGWR every N writes
_adaptive_scalable_log_writer_sampling_time
Evaluate single versus scalable LGWR every N seconds
_adaptive_scalable_log_writer_enable_worker_aging Per
million of redo gen rate when LGWR workers were last used
|
|
|
|
|
Oracle Training from Don Burleson
The best on site
"Oracle
training classes" are just a phone call away! You can get personalized Oracle training by Donald Burleson, right at your shop!
|
|
|
|
| |
|
Burleson is the American Team
Note:
This Oracle
documentation was created as a support and Oracle training reference for use by our
DBA performance tuning consulting professionals.
Feel free to ask questions on our
Oracle forum.
Verify
experience!
Anyone
considering using the services of an Oracle support expert should
independently investigate their credentials and experience, and not rely on
advertisements and self-proclaimed expertise. All legitimate Oracle experts
publish
their Oracle
qualifications.
Errata?
Oracle technology is changing and we
strive to update our BC Oracle support information. If you find an error
or have a suggestion for improving our content, we would appreciate your
feedback. Just
e-mail:
 and include the URL for the page.
Copyright © 1996 - 2017
All rights reserved by
Burleson
Oracle ®
is the registered trademark of Oracle Corporation.
Remote Emergency Support provided by
Conversational
|
|
