Integrated Extract Taking More Time -- Latency Increasing (Doc ID 2165035.1)

Last updated on JULY 17, 2017

Applies to:

Oracle GoldenGate - Version 12.2.0.1.0 and later
Information in this document applies to any platform.

Symptoms

On : 12.2.0.1.0 version, 1 - Oracle DB backend

ACTUAL BEHAVIOR
---------------
integrated extract taking more time -- latency increasing

integrated extract running slow.
GGSCI (lrtp364) 8> info all

Program Status Group Lag at Chkpt Time Since Chkpt

Showing lot of contention related to logminer.

2019 23 SYS enq: MN - contention
2026 7755 SYS enq: MN - contention
2080 31 SYS enq: MN - contention
 
select sql_id,event from gv$session where username='SYS' and event like 'enq%';

SQL_ID EVENT
------------- ----------------------------------------------------------------
enq: MN - contention
enq: MN - contention
enq: MN - contention
enq: MN - contention
0x23z2wh2v51p enq: MN - contention
f5t1q596tgph2 enq: MN - contention
enq: MN - contention
enq: MN - contention
66psxy475hy2r enq: MN - contention
enq: MN - contention
enq: MN - contention

 

 

Cause

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