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"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 later
Oracle 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


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