KEEP BUFFER POOL Does Not Work for Large Objects on 11g
(Doc ID 1081553.1)
Last updated on JANUARY 30, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.7 to 11.2.0.1 [Release 11.1 to 11.2]Information in this document applies to any platform.
Symptoms
While doing full table scan, Buffer Cache KEEP pool is not being used to read the blocks of a (KEEP) table which size is >10% of DB_KEEP_CACHE_SIZE.
These blocks are always being read through DIRECT READ, which can cause performance problem due to non-caching / re-reading of keep object blocks.
Changes
Upgraded to 11g.
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |