"Row cache lock" and "Enq: TX - allocate ITL entry" While Creating Tables Concurrently
(Doc ID 2402166.1)
Last updated on NOVEMBER 22, 2022
Applies to:
Oracle Database Cloud Service - Version N/A and laterOracle Database - Enterprise Edition - Version 11.2.0.4 and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
1. Heavy "row cache lock"(dc_constraints) and "enq: TX - allocate ITL entry" waits occur in the database, hanganalyze trace might show deadlocks, both of the holder and the waiter are creating a table.
2. The issue still happens even after applies the fix for Bug 13869467 as documented in (Doc ID 13869467.8).
Changes
No changes.
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |