DBA_WORKLOAD_REPLAY_DIVERGENCE

DBA_WORKLOAD_REPLAY_DIVERGENCE displays information about data/error divergence for a user call that has been replayed.


Column Datatype NULL Description

REPLAY_ID

NUMBER

NOT NULL

ID (key) for the workload replay

TIMESTAMP

TIMESTAMP(6) WITH TIME ZONE

 

Time that the divergence occurred

DIVERGENCE_TYPE

NUMBER

NOT NULL

Reserved for future use

IS_QUERY_DATA_DIVERGENCE

VARCHAR2(1)

 

Indicates whether the data divergence is from the number of rows fetched by SELECT queries (Y) or not (N)

IS_DML_DATA_DIVERGENCE

VARCHAR2(1)

 

Indicates whether the divergence is from the number of rows affected by INSERT, UPDATE, or DELETE SQL statements (Y) or not (N)

IS_ERROR_DIVERGENCE

VARCHAR2(1)

 

Indicates whether the divergence is from errors seen during capture or replay (Y) or not (N)

IS_THREAD_FAILURE

VARCHAR2(1)

 

Indicates whether the divergence is from sessions that failed during replay (Y) or not (N)

IS_DATA_MASKED

VARCHAR2(1)

 

Indicates whether the SQL call contains masked bind data (Y) or not (N).

If data masking technology is used at the replay database, the workload capture files need to be masked. Otherwise, SQL statements generated from capture files that contain sensitive bind data will not match the database. When the replay client sends masked bind data to the server, it turns on the IS_DATA_MASKED flag for the current SQL call.

EXPECTED_ROW_COUNT

NUMBER

 

Number of rows fetched for SELECT queries or rows affected for INSERT, UPDATE, or DELETE SQL statements during capture

OBSERVED_ROW_COUNT

NUMBER

 

Actual number of rows fetched for SELECT queries or rows affected for INSERT, UPDATE, or DELETE SQL statements during replay

EXPECTED_ERROR#

NUMBER

 

Error number that was seen during capture (0 if the capture ran successfully)

EXPECTED_ERROR_MESSAGE

VARCHAR2(4000)

 

Text of the error message whose number appears in the EXPECTED_ERROR# column

OBSERVED_ERROR#

NUMBER

 

Actual error number seen during replay (0 if the replay ran successfully, 15566 (corresponding to ORA-15566) if the captured call could not be replayed)

OBSERVED_ERROR_MESSAGE

VARCHAR2(4000)

 

Text of the error message whose number appears in the OBSERVED_ERROR# column

STREAM_ID

NUMBER

NOT NULL

Stream ID of the session that reported the divergence

CALL_COUNTER

NUMBER

NOT NULL

Call counter of the user call that reported the divergence

CAPTURE_STREAM_ID

NUMBER

 

Internal ID of the capture file whose replay produced the divergence

SQL_ID

VARCHAR2(13)

 

SQL ID of the SQL that reported the divergence

SESSION_ID

NUMBER

NOT NULL

Session ID of the session that reported the divergence

SESSION_SERIAL#

NUMBER

NOT NULL

Captured session serial number of the session that reported the divergence

SERVICE

VARCHAR2(64)

 

Service name of the session that reported the divergence

MODULE

VARCHAR2(64)

 

Module name of the session that reported the divergence

ACTION

VARCHAR2(64)

 

Action name of the session that reported the divergence