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Re: PG9.2.3. Query hanging: SELECT count(*) FROM pg_catalog.pg_class...

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I can confirm it comes from pgpool, and is very weird , I guess the pgpool list would be a better fit.

Cheers.

 

On Friday, February 15, 2013 01:58:55 PM David Kerr wrote:

> Howdy!

>

> This query is coming from PgPool I believe.

>

> SELECT count(*) FROM pg_catalog.pg_class AS c WHERE c.relname =

> 'import_jobs' AND c.relpersistence = 'u'

>

> This is a very small database, like 10/15 tables, it's basically empty.

> If i run this query manually, it comes back immediatly.

> However according to this it's been running for about an hour.

>

> v3=# select now();

> now

> -------------------------------

> 2013-02-15 21:49:34.470466+00

> (1 row)

>

> -[ RECORD 5

> ]----+---------------------------------------------------------------------

> ------------------------------------ datid | 16389

> datname | v3

> pid | 13905

> usesysid | 20415

> usename | workling

> application_name |

> client_addr | 10.0.0.132

> client_hostname |

> client_port | 58009

> backend_start | 2013-02-15 20:49:09.098768+00

> xact_start | 2013-02-15 20:49:09.189625+00

> query_start | 2013-02-15 20:49:09.198742+00

> state_change | 2013-02-15 20:49:09.198743+00

> waiting | f

> state | active

> query | SELECT count(*) FROM pg_catalog.pg_class AS c WHERE

> c.relname = 'import_jobs' AND c.relpersistence = 'u'

>

> (I actually restarted the application and now there are 4 of these)

>

> Any idea why the query would hang like this?

>

> I don't see it waiting on locks or anything like that.

>

> any ideas?

>

> Thanks
--

René Romero Benavides @iCodeiExist @PgsqlMx

 

Postgresql Tips en español para la comunidad de México e Hispanoamérica.

http://postgresql.org.mx

 

 

 

 

 

 


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