| From: | Thomas Kellerer <spam_eater(at)gmx(dot)net> |
|---|---|
| To: | pgsql-jdbc(at)postgresql(dot)org |
| Subject: | Re: Severe performance degradation when using the 9.2-1000 JDBC 4 driver |
| Date: | 2012-10-05 20:12:00 |
| Message-ID: | k4neuf$k8m$1@ger.gmane.org |
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| Lists: | pgsql-jdbc |
emergency(dot)shower(at)gmail(dot)com wrote on 05.10.2012 21:27:
> after the upgrade the latest PortgreSQL 9.2-1000 JDBC 4 driver, we
> discovered a severe performance degradation when connecting to 8.4,
> 9.0, 9.1, and 9.2 servers. In a test application the
> DriverManager#getConnection(String, String, String) call constantly
> took > 4500 ms compared to < 20 ms with the previous 9.1-903 JDBC 4
> driver. This makes the driver virtually unusable in production
> environments.
>
> Client: Windows 2008 R2, Windows 7
> Server: PostgreSQL 8.4, 9.0, 9.1, 9.2 on Linux 2.6
I cannot confirm that.
I actually have the impression that it's faster (at least using "localhost", can't test a remote server right now).
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