Database Administrators Asked by user6826691 on November 5, 2021
I’m new to postgres , I’ve aws rds instance running postgresql with engine version 11.5.
All my queries are clientRead has the wait_event. Why do I have all my queries in idle status.Does this mean they are idle in transaction?
What are the steps should I take to fix this?
If I change to idle_in_transaction_session_timeout to 10 mins for example will it fix this?
select count(*),state FROM pg_stat_activity group by 2;
count | state
-------+--------
5 |
1 | active
451 | idle
Select pid, datname, usename, wait_event_type, wait_event, backend_type FROM pg_stat_activity where state='idle';
pid | datname | usename | wait_event_type | wait_event | backend_type
-------+----------+--------------------------+-----------------+------------+----------------
14797 | xxxxx | user | Client | ClientRead | client backend
SELECT current_setting('idle_in_transaction_session_timeout');
current_setting
-----------------
1d
(1 row)
Your session is in idle state, not the query.
Sessions that are idle
are not a problem. It simply means the backend is waiting for the client to send a SQL query.
The number of sessions is a little bit on the high side though. You will need to have a really powerful server to cope with that, once all of them start doing something.
Sessions that are idle in transaction
would be a problem if they stayed in that state for too long. That's what the idle_in_transaction_session_timeout
handles, not "idle" sessions.
Answered by a_horse_with_no_name on November 5, 2021
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