Re: How to cancel a query if SIGINT does not work?

On 19/8/05 5:27 pm, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Adam Witney <awitney(at)sgul(dot)ac(dot)uk> writes:
>> I have a query that appears to have hung somehow. I have tried sending a
>> SIGINT but this does not cancel it... What's the next step without taking
>> down the whole server?
>
> In theory that should always work. What PG version is this? Can you
> attach to the stuck backend with gdb and get a stack trace?

select version();
version
---------------------------------------------------------------
PostgreSQL 7.4.8 on i686-pc-linux-gnu, compiled by GCC 2.95.4

Am not particularly familiar with gdb, but if you tell me the steps I will
do it and report back

Thanks for your help

Adam

--
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.