On Oct 22, 2013 1:14 AM, "Tomas Vondra" wrote:
>
> On 22.10.2013 00:59, sparikh wrote:
> > Yes, Expalin without Analyze is taking long. It is weird. In the
> > pg_stat_activity Explain was the only query running. So server was
> > almost idle. Using New relic interface I checked CPU was almost idl
> Do you suggest if I remove all the data files from /data/base folder
> of standby and again rebuild using rsync from primary ? do you see
> any issues there.? This is just to rule out any fragmentation on
> standby side.
The EXPLAIN really should not do much I/O. I doubt it has anything to d
On 22.10.2013 00:59, sparikh wrote:
> Yes, Expalin without Analyze is taking long. It is weird. In the
> pg_stat_activity Explain was the only query running. So server was
> almost idle. Using New relic interface I checked CPU was almost idle
> - around 10-20%. There were some IO activity - around
Yes, Expalin without Analyze is taking long. It is weird. In the
pg_stat_activity Explain was the only query running. So server was almost
idle. Using New relic interface I checked CPU was almost idle - around
10-20%. There were some IO activity - around 40-50%.
I forgot to mention before I could
On 21.10.2013 23:18, sparikh wrote:
> Yes, both Explain and Explain Analyse are taking time. As you
> suggested I set the lock parameters, but no locks are observed. Also
> checked pg_stat_activity and none of the sessions are either waiting
> are blocked.
Not even the one running the explain?
Yes, both Explain and Explain Analyse are taking time. As you suggested I set
the lock parameters, but no locks are observed. Also checked
pg_stat_activity and none of the sessions are either waiting are blocked.
I agree we must upgrade to latest version (9.1.10), but unfortunately kind
of resourc
On 21.10.2013 17:05, sparikh wrote:
> Stupid question - when you say that a query is fast on primary but
> slow on standby, are you referring to exactly the same query,
> including parameter values?
>
> Yes . It is exactly and exactly the same query with the same
> parameters. Yes, it sounds stupi
Stupid question - when you say that a query is fast on primary but slow
on standby, are you referring to exactly the same query, including
parameter values?
Yes . It is exactly and exactly the same query with the same parameters.
Yes, it sounds stupid but that is what happening. Though plan s
