Oracle Capture in state "WAITING FOR TRANSACTION", excessive time spent in LOGMNR_DICT_CACHE.SAVE_OBJ()
Last updated on FEBRUARY 08, 2017
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2 to 12.1]
Oracle GoldenGate - Version 126.96.36.199.0 to 188.8.131.52.0 [Release 11.2 to 12.1]
Information in this document applies to any platform.
The following products;
- Streams Replication Capture
- GoldenGate INTEGRATED EXTRACT
may be in the state "WAITING FOR TRANSACTION".
The Alert log for the Oracle database may also show the following:
Thu Jun 18 13:10:22 2015
krvxenq: Failed to acquire logminer dictionary lock. pid=330 OS id=6554046. Retrying...
An AWR report will show that the LogMiner BUILDER process (typically, process name MS01) is executing the PL/SQL routine LOGMNR_DICT_CACHE.SAVE_OBJ() many times.
The database contains tables with a high number of partitions, where Partition Maintenance operations are being performed on these tables, specifically ALTER TABLE operations involving MERGE, SPLIT, or MOVE.
These operations would then be captured by the LogMiner.
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