| From: | Kris Jurka <books(at)ejurka(dot)com> |
|---|---|
| To: | Laurent Sylvain <sylvain(dot)laurent(at)elca(dot)ch> |
| Cc: | "'pgsql-jdbc(at)postgresql(dot)org'" <pgsql-jdbc(at)postgresql(dot)org> |
| Subject: | Re: Bug (and fix): leaks of TCP connections when connected |
| Date: | 2004-06-21 19:34:23 |
| Message-ID: | Pine.BSO.4.56.0406211427440.7190@leary.csoft.net |
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| Thread: | |
| Lists: | pgsql-jdbc |
On Mon, 21 Jun 2004, Laurent Sylvain wrote:
> I experienced some TCP connection leaks when using PGSQL JDBC driver 7.4
> (build 214) to connect to a 7.3.4 server.
> The symptoms are that when performing a netstat on the client machine, many
> connections were in the CLOSE_WAIT state.
I'm not much of an expert on TCP, so could you give me a little more
background on this? I've duplicated the behavior you describe and I
believe your fix is correct, but I'd like to understand this better.
First why is this a problem, the CLOSE_WAIT entries disappear rather
quickly. Second the number of CLOSE_WAIT items is nothing compared to the
number of TIME_WAIT entries, why aren't they a problem?
Kris Jurka
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