Re: Monitoring a Query

Aaron Held <aaron@metrony.com>

From: Aaron Held <aaron@MetroNY.com>
To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Neil Conway <neilc@samurai.com>, pgsql-sql@postgresql.org, pgsql-general@postgresql.org
Date: 2002-09-23T13:24:38Z
Lists: pgsql-hackers, pgsql-general, pgsql-sql
Bruce Momjian wrote:
> Neil Conway wrote:
> 
>>Bruce Momjian <pgman@candle.pha.pa.us> writes:
>>
>>>Aaron Held wrote:
>>>
>>>>Is there any way to monitor a long running query?
>>>
>>>Oh, sorry, you want to know how far the query has progressed.  Gee, I
>>>don't think there is any easy way to do that.
>>
>>Would it be a good idea to add the time that the current query began
>>execution at to pg_stat_activity?
> 
> 
> What do people think about this?  It seems like a good idea to me.
> 

My application marks the start time of each query and I have found it 
very useful.  The users like to see how long each query took, and the 
admin can take a quick look and see how many queries are running and how 
long each has been active for.  Good for debugging and billing.

-Aaron Held