Обсуждение: VACUUM PROBLEM

Dear All,

I am having problem while doing vacuum.

The error message is as follows:

NOTICE:  Rel queuestatval: Pages: 2 --> 1; Tuple(s)
moved: 16. Elapsed 0/0 sec.
NOTICE:  BlowawayRelationBuffers(queuestatval, 1):
block 1 is referenced (private 0, last 0, global 1)
pqReadData() -- backend closed the channel
unexpectedly. This probably means the backend
terminated abnormally before or while processing the
request.
We have lost the connection to the backend, so further
processing is impossible. Terminating.                   

-----------------------------------------

I am unable to find head or tail about it.  NEED
HELP!!

I am using PostgerSQL 6.5.2 on LINUX 6.0.

Regards,

Dipankar Chakrabarti
Senior Manager - Projects
Mindteck (I) Ltd.


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Dipankar Chakrabarti <dipanc@yahoo.com> writes:
> I am having problem while doing vacuum.

> The error message is as follows:

> NOTICE:  Rel queuestatval: Pages: 2 --> 1; Tuple(s)
> moved: 16. Elapsed 0/0 sec.
> NOTICE:  BlowawayRelationBuffers(queuestatval, 1):
> block 1 is referenced (private 0, last 0, global 1)
> pqReadData() -- backend closed the channel
> unexpectedly. This probably means the backend
> terminated abnormally before or while processing the
> request.

If you look in the postmaster log file, you should find additional info
about the crash.  6.5.* libpq has a bug that makes it discard the last
backend error message if it sees an unexpected channel closure :-(.
So there is probably at least one error message that you're not seeing
on the client side --- but it should be there in the log file.
        regards, tom lane