| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Fuhr <mike(at)fuhr(dot)org> |
| Cc: | "Mavinakuli, Prasanna (STSD)" <prasanna(dot)b-m(at)hp(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: LOG: unexpected EOF within message length word |
| Date: | 2005-09-03 15:44:43 |
| Message-ID: | 26745.1125762283@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Michael Fuhr <mike(at)fuhr(dot)org> writes:
> On Sat, Sep 03, 2005 at 11:31:19AM +0530, Mavinakuli, Prasanna (STSD) wrote:
>> 1) I am using postgres 7.4 version.
> Exactly which version?
I'm wondering about the relevance of this pre-7.4-final bug fix:
2003-10-19 17:36 tgl
* src/interfaces/libpq/: fe-exec.c, fe-misc.c: Adjust libpq to
avoid deadlock when both client and server want to send data, and
both have filled the transmission buffers. One scenario where this
can happen was illustrated here:
http://archives.postgresql.org/pgsql-hackers/2003-04/msg00979.php
Supposing that a 7.4-beta libpq were in use, and for some reason the
server tries to send a large reply message before it's absorbed all
of the command, we could see a hangup like this. It'd be useful to
see an strace of the server process in parallel with the client.
regards, tom lane
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