Posted in Oracle, Streams

Check the latency of an apply process

COLUMN APPLY_NAME HEADING 'Apply Process|Name' FORMAT A17
COLUMN LATENCY HEADING 'Latency|in|Seconds' FORMAT 999999
COLUMN CREATION HEADING 'Message Creation' FORMAT A17
COLUMN LAST_DEQUEUE HEADING 'Last Dequeue Time' FORMAT A20
COLUMN DEQUEUED_MESSAGE_NUMBER HEADING 'Dequeued|Message Number' FORMAT 99999999999999

SELECT APPLY_NAME,
     (DEQUEUE_TIME-DEQUEUED_MESSAGE_CREATE_TIME)*86400 LATENCY,
     TO_CHAR(DEQUEUED_MESSAGE_CREATE_TIME,'HH24:MI:SS MM/DD/YY') CREATION,
     TO_CHAR(DEQUEUE_TIME,'HH24:MI:SS MM/DD/YY') LAST_DEQUEUE,
     DEQUEUED_MESSAGE_NUMBER  
  FROM V$STREAMS_APPLY_READER where apply_name='&APPLY';
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Author:

I am an Oracle DBA with experience in Maximum Availability technology such as RAC, Data Guard, Grid Control and ASM. I worked with version 9i through 12c on a number of operating systems. Next to that I have an extensive experience with PL/SQL, Oracle eBusiness Suite and shell scripting. Specialties: Oracle RAC & ASM (Configuration/Monitoring/Tuning) Oracle Data Guard (Configuration/Monitoring/Tuning) EM12c (Installation / troubleshooting) SQL & PLSQL *nix Shell scripting

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