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Row Lock Contention On Optimization Of Text Index (Doc ID 2425873.1)

Last updated on SEPTEMBER 27, 2018

Applies to:

Oracle Text - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Experiencing row lock contention when optimizing/rebuilding text indexes.

Top DB Objects
• Top DB Objects by DB Time with respect to Application, Cluster, User I/O, buffer busy waits and In-Memory DB events only.
• Tablespace name is not available for reports generated from the root PDB of a consolidated database.
Object ID % Activity Event % Event Object Name (Type) Tablespace
84005 23.37 enq: TX - row lock contention 23.37 <owner>.DR$<index name>$R (TABLE) <alias>
84049 6.65 enq: TX - row lock contention 6.65 <owner>.DR$<index name>$R (TABLE) <alias>
84018 5.15 enq: TX - row lock contention 5.15 <owner>.DR$<index name>$R (TABLE) <alias>
....

Attempt to rebuild the text index with small_r_row was not effective.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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