Justin Pryzby wrote:

> detail|Process 26871 waits for ShareLock on transaction 13693505; blocked by 
> process 26646.
> Process 26646 waits for ShareLock on transaction 13693504; blocked by process 
> 26871.
> Process 26871: SELECT db_column_name,table_name FROM 
> huawei_m2000_counter_details ORDER BY ctid FOR UPDATE
> Process 26646: SELECT db_column_name,table_name FROM 
> huawei_m2000_counter_details ORDER BY ctid FOR UPDATE

Uh, this is locking the whole table.  Is there no useful WHERE?  What
you should be doing is SELECT WHERE <key values> ORDER BY <key> FOR
UPDATE where <key> is indexed.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


-- 
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

Reply via email to