How to Identify Hot Blocks Within the Database Buffer Cache that may be Associated with 'latch: cache buffers chains' Wait Contention
(Doc ID 163424.1)
Last updated on OCTOBER 20, 2023
Applies to:
Oracle Database Cloud Service - Version N/A and laterOracle Database - Enterprise Edition - Version 8.0.6.0 and later
Oracle Database - Personal Edition - Version 8.0.6.0 and later
Oracle Database - Standard Edition - Version 8.0.6.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.
Goal
Identify blocks which cause latch contention on the 'cache buffers chains' latch.
NOTE: To solve a hot block, the application may need to be reviewed because the contention may be caused by inefficient SQL repeatedly accessing the same buffers unnecessarily.
For more details see:
For more details see:
<Document 1342917.1> Troubleshooting 'latch: cache buffers chains' Wait Contention
Solution
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In this Document
| Goal |
| Solution |
| Identify high contention latch addresses |
| Identify the blocks protected under that address |
| Reducing contention |
| References |