Interpreting Wait Event "file#" and "block#" parameters
(Doc ID 181306.1)
Last updated on SEPTEMBER 25, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 7.0.16.0 to 11.2.0.1.0 [Release 7.0 to 11.2]Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Purpose
This reference note describes how to interpret file# and block# parameters from wait events (eg: obtained from the V$SESSION_WAIT view or from the WAIT trace lines in trace files). The text uses:
- &AFN to represent the absolute file number (file#)
- &BLOCKNO to represent the block number (block#)
Details
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