Re: Speed while runnning large transactions.

> On Thu, Sep 24, 2009 at 9:27 AM, <jesper(at)krogh(dot)cc> wrote:
>
>> Hi.
>>
>> I have a transaction running at the database for around 20 hours ..
>> still
>> isn't done. But during the last hours it has come to the point where it
>> really hurts performance of "other queries".
>>
>> Given pg_stat_activity output there seems to be no locks interfering but
>> the overall cpu-usage of all queries continue to rise. iowait numbers
>> are
>> also very low.
>>
>> What can I do to make the system handle other queries better?
>>
>> show us explain from the query(s).
> use select * from pg_stat_activity to find out the state query is in, and
> perhaps which one of the queries it really is.

I'm actively monitoring pg_stat_activity for potential problems but the
thread is spending most of the time in the application side. The
transaction is holding a large set of inserts/update and delete for the
DB.

--
Jesper