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BUG #17645: Strange queries that stuck in database system
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* BUG #17645: Strange queries that stuck in database system
@ 2022-10-16 23:43  PG Bug reporting form <noreply@postgresql.org>
  0 siblings, 1 reply; 2+ messages in thread

From: PG Bug reporting form @ 2022-10-16 23:43 UTC (permalink / raw)
  To: pgsql-bugs@lists.postgresql.org; +Cc: thien.phan@apollo.edu.vn

The following bug has been logged on the website:

Bug reference:      17645
Logged by:          Thien, Phan Phuoc
Email address:      thien.phan@apollo.edu.vn
PostgreSQL version: 14.0
Operating system:   Windows Server 2012 R2
Description:        

Hi,

When I run this query

SELECT  NOW() - query_start AS elapsed, pid, client_addr, query,
query_start, *
FROM pg_stat_activity
WHERE query != '<IDLE>'  AND query NOT ILIKE '%pg_stat_activity%'
ORDER BY query_start DESc;

I noticed that there are many queries (as below) that create many Windows
processes and CPU is 100%. Is it a bug? Please help!
Thank you very much!
Thien Phan

-- Load field definitions for (free-standing) composite types

	SELECT typ.oid, att.attname, att.atttypid

	FROM pg_type AS typ

	JOIN pg_namespace AS ns ON (ns.oid = typ.typnamespace)

	JOIN pg_class AS cls ON (cls.oid = typ.typrelid)

	JOIN pg_attribute AS att ON (att.attrelid = typ.typrelid)

	WHERE

	  (typ.typtype = 'c' AND cls.relkind='c') AND

	  attnum > 0 AND     -- Don't load system attributes

	  NOT attisdropped

	ORDER BY typ.oid, att.attnum
2022-10-17 00:01:21.117 +07 [[unknown]][4800][apollo_portal] FATAL: 
terminating connection due to administrator command
2022-10-17 00:01:21.117 +07 [[unknown]][4800][apollo_portal] STATEMENT:  --
Load field definitions for (free-standing) composite types

	SELECT typ.oid, att.attname, att.atttypid

	FROM pg_type AS typ

	JOIN pg_namespace AS ns ON (ns.oid = typ.typnamespace)

	JOIN pg_class AS cls ON (cls.oid = typ.typrelid)

	JOIN pg_attribute AS att ON (att.attrelid = typ.typrelid)

	WHERE

	  (typ.typtype = 'c' AND cls.relkind='c') AND

	  attnum > 0 AND     -- Don't load system attributes

	  NOT attisdropped

	ORDER BY typ.oid, att.attnum
2022-10-17 00:01:21.118 +07 [[unknown]][6340][apollo_portal] LOG:  could not
send data to client: An established connection was aborted by the software
in your host machine.

	
2022-10-17 00:01:21.118 +07 [[unknown]][6340][apollo_portal] STATEMENT:  --
Load field definitions for (free-standing) composite types

	SELECT typ.oid, att.attname, att.atttypid

	FROM pg_type AS typ

	JOIN pg_namespace AS ns ON (ns.oid = typ.typnamespace)

	JOIN pg_class AS cls ON (cls.oid = typ.typrelid)

	JOIN pg_attribute AS att ON (att.attrelid = typ.typrelid)

	WHERE

	  (typ.typtype = 'c' AND cls.relkind='c') AND

	  attnum > 0 AND     -- Don't load system attributes

	  NOT attisdropped

	ORDER BY typ.oid, att.attnum



^ permalink  raw  reply  [nested|flat] 2+ messages in thread

* Re: BUG #17645: Strange queries that stuck in database system
@ 2022-10-17 08:15  Julien Rouhaud <rjuju123@gmail.com>
  parent: PG Bug reporting form <noreply@postgresql.org>
  0 siblings, 0 replies; 2+ messages in thread

From: Julien Rouhaud @ 2022-10-17 08:15 UTC (permalink / raw)
  To: thien.phan@apollo.edu.vn; pgsql-bugs@lists.postgresql.org

Hi,

On Sun, Oct 16, 2022 at 11:43:24PM +0000, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference:      17645
> Logged by:          Thien, Phan Phuoc
> Email address:      thien.phan@apollo.edu.vn
> PostgreSQL version: 14.0

Unrelated, but you should definitely update to the latest minor version (so
14.5 right now).

> Operating system:   Windows Server 2012 R2
> Description:
>
> When I run this query
>
> SELECT  NOW() - query_start AS elapsed, pid, client_addr, query,
> query_start, *
> FROM pg_stat_activity
> WHERE query != '<IDLE>'  AND query NOT ILIKE '%pg_stat_activity%'
> ORDER BY query_start DESc;
>
> I noticed that there are many queries (as below) that create many Windows
> processes and CPU is 100%. Is it a bug? Please help!

Nothing here looks like a bug.  Note that your query is incorrect as there's a
dedicated "state" field to give this information since version 9.2, so a bit
more than 10 years ago.  You can refer to
https://www.postgresql.org/docs/14/monitoring-stats.html#MONITORING-PG-STAT-ACTIVITY-VIEW
for more details about this view.

I'm not sure if you had question related to the rest of the message, but if you
do please send a message to pgsql-general list instead
(https://www.postgresql.org/list/).





^ permalink  raw  reply  [nested|flat] 2+ messages in thread


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