> On Jun 9, 2017, at 11:01 AM, Adrian Klaver <adrian.kla...@aklaver.com> wrote:
> 
> On 06/09/2017 08:45 AM, armand pirvu wrote:
>> Hi
>> Had a couple of processes blocking the vacuum so I terminated them using
>> select pg_terminate_backend(pid);
>> Running the following
>> select distinct pid, backend_start, query_start, state_change, state, query 
>> from pg_catalog.pg_stat_activity order by 1;
>>   pid  |         backend_start         |          query_start          |     
>>     state_change          | state  | query
>> -------+-------------------------------+-------------------------------+-------------------------------+--------+--------------------------------------------------------------------------------------------------------------------------
>>  10677 | 2017-06-09 10:25:49.189848-05 | 2017-06-09 10:33:43.598805-05 | 
>> 2017-06-09 10:33:43.599091-05 | idle   | SELECT 1
>>  11096 | 2017-06-09 10:27:03.686588-05 | 2017-06-09 10:33:56.28736-05  | 
>> 2017-06-09 10:33:56.287364-05 | active | select distinct pid, backend_start, 
>> query_start, state_change, state, query from pg_catalog.pg_stat_activity 
>> order by 1;
>>  13277 | 2017-06-09 07:48:49.506686-05 | 2017-06-09 07:48:52.887185-05 | 
>> 2017-06-09 07:48:52.887188-05 | active | autovacuum: VACUUM 
>> csischema.tf_purchased_badge
>>  13484 | 2017-06-09 10:31:54.127672-05 | 2017-06-09 10:33:47.137938-05 | 
>> 2017-06-09 10:33:47.138226-05 | idle   | SELECT 1
>>  16886 | 2017-06-09 07:56:49.033893-05 | 2017-06-09 07:56:49.078369-05 | 
>> 2017-06-09 07:56:49.078371-05 | active | autovacuum: VACUUM 
>> csischema.tf_purchases_person
>>  25387 | 2017-06-09 05:32:08.079397-05 | 2017-06-09 05:32:08.385728-05 | 
>> 2017-06-09 05:32:08.385731-05 | active | autovacuum: VACUUM 
>> csischema.tf_demographic_response_person
>>  37465 | 2017-06-09 08:50:58.992002-05 | 2017-06-09 08:51:21.506829-05 | 
>> 2017-06-09 08:51:21.506831-05 | active | autovacuum: VACUUM 
>> csischema.tf_transaction_item_person
>> I did notice that state_change did not change one bit
> 
> Did the state change?
> 

No and that was what got me worried 


>> Does that mean that something is not quite right with the vacuums ?
> 
> Might want to take a look at:
> 
> https://www.postgresql.org/docs/9.6/static/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW
>  
> <https://www.postgresql.org/docs/9.6/static/monitoring-stats.html#PG-STAT-ALL-TABLES-VIEW>
> 
> 
>> Thank you
>> Armand
> 
> 
> -- 
> Adrian Klaver
> adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com>

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