@micheal,
Thanks for your help. It working now.
But, now I'm getting deadlock, when i peek_changes or get_changes, in
live system.
db=#select count(*) from pg_logical_slot_peek_changes('slot',NULL,100);
/* pid : 25833 */
ERROR: deadlock detected
DETAIL: Process 25833 waits for ShareLock on relation 248486 of database
16385; blocked by process 18904.
Process 18904 waits for RowExclusiveLock on relation 257419 of database
16385; blocked by process 25833.
HINT: See server log for query details.
CONTEXT: slot "slot", output plugin "rep_slot", in the change callback,
associated LSN CD/EF693310
Please help me, I am using PostgreSQL 9.5.0.
I don't know much in postgres internals. why does peek_changes trying
to take share lock on 248486 (primary key of one table).
Its postgres logical decoder takes share lock or output-plugin takes
share lock ?
Is there any way i can avoid it? Please help me.
-Sudalai
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sudalai
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