Обсуждение: Working slow

hello every body, I'm having a data base in a point of sale that is 
getting frozen, I already have run a vacuum -z -d to reindex the data 
base and nothing happens...... Some suggestions to speed the process, Do 
you guys think that the data base is nearly to broke?


-- 
luxcorreoseguro

On Mon, Sep 21, 2009 at 7:58 AM, Judith Altamirano
<jaltamirano@lux.com.mx> wrote:
> hello every body, I'm having a data base in a point of sale that is getting
> frozen, I already have run a vacuum -z -d to reindex the data base and
> nothing happens...... Some suggestions to speed the process, Do you guys
> think that the data base is nearly to broke?

vacuumdb does not reindex, reindexdb does that.

Hard to say with so little evidence.

What does top, or vmstat 1, or iostat 10 or

select datname, current_query, waiting, (now()-query_start)::time(0) as runtime
from pg_stat_Activity
where current_query not ilike '%idle%'
order by query_start limit 10

have to say?

Is the database already bloated?  If so, how big is /data/base
compared to usual?

Judith Altamirano wrote:
> hello every body, I'm having a data base in a point of sale that is 
> getting frozen, I already have run a vacuum -z -d to reindex the data 
> base and nothing happens...... Some suggestions to speed the process, 
> Do you guys think that the data base is nearly to broke?
>
>
As well as the good points Scott Marlow raised, does the application 
perform well immediately after a reboot and then slowdown or do all 
queries take longer than they should (and by how much)?

Do you have the sql for typical queries and can you run them with ANALYSE?

PS. (Based on the post time vs clock time, I suspect the you machine's 
clock is out of sync)