Re: Heavy Logging in Subscriber side when configured LogicalReplication in 10.4

Hi Team,

We have successfully configured and tested Logical Replication between
Publisher and Subscriber. But on the Subscriber side we are getting
generated a number of error log files(around 20-30 GB). 

The most common log messages found in the log(/var/log/postgresql/abc.log)
are:
2018-08-26 06:32:09.659 IST [9385] ERROR:  duplicate key value violates
unique constraint "table_pkey"
2018-08-26 06:32:09.637 IST [13919] LOG:  worker process: logical
replication worker for subscription 4858103 sync 189974 (PID 9384) exited
with exit code 1
2018-08-26 06:32:09.638 IST [13919] LOG:  worker process: logical
replication worker for subscription 4858103 sync 188985 (PID 9383) exited
with exit code 1


Some 72 lakh times the above errors are occurring. How to prevent this
behaviour? Kindly assist me!!

Thanks in Advance.

Regards,
Pavan






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