From: | Andreas Pflug <pgadmin(at)pse-consulting(dot)de> |
---|---|
To: | Asger Petersen <asger(at)jo-informatik(dot)dk> |
Cc: | Magnus Hagander <mha(at)sollentuna(dot)net>, Dave Page <dpage(at)vale-housing(dot)co(dot)uk>, pgadmin-support(at)postgresql(dot)org |
Subject: | Re: Extremely slow queries in pgAdminIII |
Date: | 2005-03-23 12:28:58 |
Message-ID: | 4241610A.9020003@pse-consulting.de |
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Lists: | pgadmin-support |
Asger Petersen wrote:
> Hi again
>
> The network traffic is constant at 0.3 Mbit (connection is 1GBit) for
> approx 410 secs. Then I'm asked whether i really want to fetch 37000
> rows. If I accept it takes approx 19 secs to retrieve the rows.
>
> On the fast client the same query results in 10Mbits of network traffic
> (connection is 100 MBit) and the timings are approx 10000 ms + 19000 ms.
I've seen problems on a 1GB network some weeks ago, which disappeared as
soon as an *additional* 1GB switch was inserted into the network. This
could have been caused by large frames or so, I wasn't able to dig
further (e.g. NIC parameters).
Regards,
Andreas
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