Обсуждение: [Fwd: Re: Optimize]

Hi,

> You can see doing   select * from pg_stat_activity the
> queries that are currently running on your server, and
> do a explain analize on it to see which one is the
> bottleneck. If you are running the 7.4 you can see on
> the log the total ammount for each query.


with this query I see how much queries running, but the field
current_query are free, so i can't see which queries are very slow.

Greetings
Torsten

Torsten Schulz wrote:
> Hi,
>
>> You can see doing   select * from pg_stat_activity the
>> queries that are currently running on your server, and
>> do a explain analize on it to see which one is the
>> bottleneck. If you are running the 7.4 you can see on
>> the log the total ammount for each query.
>
>
>
> with this query I see how much queries running, but the field
> current_query are free, so i can't see which queries are very slow.

You must perform that query with permission of  super_user.


Regards
Gaetano Mendola

Gaetano Mendola wrote:

> Torsten Schulz wrote:
>
>> Hi,
>>
>>> You can see doing   select * from pg_stat_activity the
>>> queries that are currently running on your server, and
>>> do a explain analize on it to see which one is the
>>> bottleneck. If you are running the 7.4 you can see on
>>> the log the total ammount for each query.
>>
>>
>>
>>
>> with this query I see how much queries running, but the field
>> current_query are free, so i can't see which queries are very slow.
>
>
> You must perform that query with permission of  super_user.
>
I've made it in root-account with psql -U postgres - but i can't see the
query

Regards
Torsten Schulz

>>> with this query I see how much queries running, but the field
>>> current_query are free, so i can't see which queries are very slow.
>>
>>
>> You must perform that query with permission of  super_user.
>>
> I've made it in root-account with psql -U postgres - but i can't see
> the query

You must have these lines in your postgresql.conf for the query stats to be
collected:

stats_start_collector = true
stats_command_string = true

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