My Oracle Support Banner

DBMS_CAPTURE_ADM.BUILD is Hanging with "ENQ: TX - Contention" Waiting Event. (Doc ID 1423364.1)

Last updated on MARCH 07, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.3 [Release 11.1 to 11.2]
Oracle Database Exadata 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
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Executing dbms_capture_adm.build will hang waiting for any open transactions to complete.

tkprof summary of the 10046 shows the following:

Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
latch free 1 0.00 0.00
enq: TX - contention 1 1261.75 1261.75
enq: CF - contention 1 0.03 0.03
control file sequential read 14 0.03 0.03
Disk file operations I/O 4 0.00 0.00
log file sequential read 2 0.00 0.00
log file single write 2 0.01 0.02
control file parallel write 8 0.02 0.14
SQL*Net message to client 1 0.00 0.00



We notice high value of enq: TX - contention.

Changes

Upgrade to 11.1.0.6 and above from ulterior release or new deployment in 11.1.0.6 and above.

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


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.