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Extract Process Hung after new code installed or extract crash or bounce (Doc ID 1287969.1)

Last updated on FEBRUARY 27, 2019

Applies to:

Oracle GoldenGate - Version and later
Information in this document applies to any platform.
***Checked for relevance on 16-Dec-2013***


After a code upgrade or after extract has been stopped and started, extract appears to hang.

There are sometimes indications that the extract is in Bounded Recovery (BR) mode.
Information from GGSCI shows (sample)
GGSCI (<server_name>) 1> info all

Program     Status      Group       Lag           Time Since Chkpt

MANAGER     RUNNING                                           
EXTRACT     RUNNING    <extract_name>       00:00:01      11:15:02    

Note the long lag.

GGSCI (<server_name>) 2> info <extract_name>,showch

EXTRACT    <extract_name> Last Started 2011-01-18 19:57   Status RUNNING
Checkpoint Lag       00:00:01 (updated 11:16:15 ago)
Log Read Checkpoint  Oracle Redo Logs
                    2011-01-25 04:12:15  Thread 1, Seqno xxxx, RBA xxxx
Investigation shows that the redo logs are available.
Information from the extract report shows (sample):
  INFO    OGG-01639  BOUNDED RECOVERY:  ACTIVE: for object pool 1:xxxx_Redo Thread 1.
  INFO    OGG-01640  BOUNDED RECOVERY: recovery start XID: xxxxxx.
  INFO    OGG-01641  BOUNDED RECOVERY: recovery start position: SeqNo: xxxx, RBA: xxxx, SCN: xxxx, Timestamp: 2011-01-24 21:33:10.000000.
  INFO    OGG-01642  BOUNDED RECOVERY: recovery end position: SeqNo: xxxx, RBA: xxxx, SCN: xxxx, Timestamp: 2011-01-25 01:44:48.000000.
  INFO    OGG-01643  BOUNDED RECOVERY: CANCELED: for object pool 1: xxxx_Redo Thread 1.


This has been seen after extract has been stopped and started, after extract crashes and after code upgrades.


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